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electric. 0, 5. 1. 50. Bayshore Plumbers. Non-condensing tankless water heaters have one heat exchanger that produces exhaust gases at a much higher temperature as they leave the unit. Rheem Manufacturing ranks as the global leader in the manufacture of high-quality, sustainable, and innovative water heaters, tankless water heaters, air conditioners, furnaces, pool heaters, and HVAC systems for residential and commercial applications, and is a full member of AHRI, the Air-Conditioning, Heating, & Refrigeration Institute. Rheem Main Remote Control UMC-117 Won’t Turn On. WARNING : California’s Proposition 65. Residential Water Heating. Supplying Demand RTG20235C Tankless Gas Water Heater Ignitor Coil Replacement. 9 Reviews. 26GPM and minimum activation flow rate of . Check operating temperature. Takagi T-KJr2-IN-LP Indoor Tankless. Residential Water Heating. Natural Resources Canada estimates that ENERGY STAR certified tankless water heaters use an average of 30 percent less energy than storage water heaters, and that will translate to great cost savings over time. The Rheem Professional Classic Tankless Electric Water Heater (6. c. Available in both indoor and outdoor models, Rheem® high. Step #4: Pull out the wiring of the remote control from the PCB. 5 gallons-per-minute depending on the inlet water temperature. 00 UEF (463% Higher) 0. Rheem’s RTGH-68DVLN-3 Super High Efficiency indoor condensing natural gas tankless gas water heater delivers continuous hot water with minimal wait, saving time, energy and water. The Rheem PROTECH Ignitor Coil contains everything to replace the ignitor coil on your Rheem tankless water heater. * All. 2. Rheem Commercial 9. Make sure you always have hot water with this Rheem Performance Platinum 9. Heritage Plumbing Inc. You will have noticed when browsing Rheem hot water heater reviews that the name Rheem is associated with high quality. Rheem® Water heaters is a brand known for reliability. Tackle you next water heater installation with this Rheem Performance Plus 8. More Options Available. If you need assistance with your water heater, please contact our Technical Support team at 866-279-4566 between the hours of 7 A. Rheem Manufacturing ranks as the global leader in the manufacture of high-quality, sustainable, and innovative water heaters, tankless water heaters, air conditioners, furnaces, pool heaters, and HVAC systems for residential and commercial applications, and is a full member of AHRI, the Air-Conditioning, Heating, & Refrigeration Institute. Centralized Control Panels. 3 and 4. 1 Based on Rheem testing of 1/2" gas line with gas supply of 7" w. Shipping Weight Dimensional (lbs. Show Summary. Select models have side water connections for space heating applications. Professional installation is an added cost that can vary depending on who you hire, how big the tank is and how complex your system is (i. EcoSmart ECO 27 is a 27-kilowatt electric tankless water heater ideal for providing hot water for apartments, condominiums, townhomes and other whole home applications. Mount unit to wall at selected location. If you have any further questions, please contact us via email at [email protected] to TX Water Heater for trusted, affordable water heater repair, water heater replacement, new water heater installation, water heater maintenance services in. of water per year with our exclusive water savings setting Rheem is known for its acclaimed water and air systems; California residents see prop 65 warnings; Call 1-855-400-2552 before noon for same-day installation service in most areas, or visit our Water Heater Installation page for more information. Browse the entire directory of Jacksonville, FL independent Rheem pros below. com. Public Service Plumbers. Rheem Manufacturing ranks as the global leader in the manufacture of high-quality, sustainable, and innovative water heaters, tankless water heaters, air conditioners, furnaces, pool heaters, and HVAC systems for residential and commercial applications, and is a full member of AHRI, the Air-Conditioning, Heating, & Refrigeration Institute. Whether you want instant hot water, energy savings, recirculation technology or a lifetime warranty, Rheem has the perfect tankless water heater for you. Rheem Platinum Condensing 9. Rheem Manufacturing ranks as the global leader in the manufacture of high-quality, sustainable, and innovative water heaters, tankless water heaters, air conditioners, furnaces, pool heaters, and HVAC systems for residential and commercial applications, and is a full member of AHRI, the Air-Conditioning, Heating, & Refrigeration Institute. Continuous hot water: Rheem performance platinum tankless water heaters heat water when you need it, for as long as you need it, and the 9. Consumer Reports recently tested several electric and gas whole-house tankless water heaters from brands such as Bosch, Navien, Noritz, Rheem, Rinnai, Tempra, and. 26GPM and minimum activation flow rate of . Where to buy. Rheem solar water heaters include a tank or. +. Model # RU199IN. #1 Home Improvement Retailer. Rheem Manufacturing ranks as the global leader in the manufacture of high-quality, sustainable, and innovative water heaters, tankless water heaters, air conditioners, furnaces, pool heaters, and HVAC systems for residential and commercial applications, and is a full member of AHRI, the Air-Conditioning, Heating, & Refrigeration Institute. Call Rheem Customer Service at 479-648-6237. Specifications Water INTEGR ATED HOME COMFORT Residential Electric Professional Classic Tankless Water Heaters *240V units can be used on 208V single phase with 25% reduced temperature output. Plus, with the water saving setting enabled, you can save up to 1,000 gallons of water per year 3. Residential Water Heating. 2) inspect the temperature setting and increase if needed. Standard Electric Tank. Residential Water Heating. 0, 1. If you have any further questions, please contact us via email at techanalyst@rheem. Best Electric Tankless Water Heaters. You can raise the temperature up from the factory setting of 120° to 140° and then add a mixing valve that mixes the overheated water with cold. and 5 P. Energy Star Certified. 6966 Americas. 3. Blue Ribbon Plumbing / Sarasota. The GPM size of a tankless water heater for whole house use depends on how much flow is needed and your required water temperature rise. Rheem. Where to buy. 0:52 . Direct replacement for Rheem, Ruud and Richmond water heaters. Website. Whether you’re looking for a master plumber to install a new water heater, a pool and spa expert to install or repair your pool heater, or you need an expert. Our 14 year-old. In keeping with its policy of continuous progress and product improvement, Rheem reserves the right to make changes without notice. It may even qualify for rebates in your area for added savings. Rheem makes water heaters powered by propane, gas, electrical, hybrid or heat pump units, indirect and solar energy units. High Efficiency Gas Water Heater Category. The beeping and code 11 shows there is not enough gas getting to the unit to function and so as a self protection system it locks itself up so no damage occurs for the tankless water system. * All. Residential Water Heating. The room is dry climate and in all. Photo: amazon. Replace igniter. 6 GPM. With built-in recirculation, this Rheem Performance Platinum 11 GPM Indoor Liquid Propane Tankless Water Heater gets hot water to the tap instantly and keeps going as long as you need it. In this article, I provide a comprehensive list of the pros and cons of tankless water heaters so you can make a well-informed decision based on your unique situation. The fastest way is to Schedule Online or call (817) 813-9177. The 180,000 BTU Liquid Propane Gas Tankless Water Heater is designed. 5 GPM Natural Gas High Efficiency Indoor Tankless Water. Rinnai. Residential Products. 4 GPM 180000 BTU 120 Volt Natural Gas Whole House Outdoor Tankless Water Heater. Standard Max High Temperature 185 ºF. Imagining how a compact, minimal clearance water heater can. Save today. They have an average energy factor of 0. Next, turn on the power supply and press the reset button located on the control. Water Heating. Enjoy the comfort and convenience of continuous hot water on demand with a Rheem ® tankless water heater. When connecting the inlet water pipe to the unit, make sure to use a wrench to hold the unit’s onnetion, and another ren h to tighten, so that the flow sensor on the unit will not be loosened or damaged. Gasco Inc. Website. For more information on UEF water heaters, Rheem experts are here to answer your questions. It is low-flow compatible and delivers up to 9. According to Bob Vila. • Enjoy Endless Hot Water. 1), and any other local gas codes when installing a Rheem Tankless Water Heater. Thank you for purchasing the Rheem Performance Platinum 9. Each of these tankless electric water heaters can be installed in any orientation at the point-of-use with just a single water line for savings in both labor and materials. United States. 268. A tankless water heater takes up much less room that a traditional water heater because it does not contain water within the unit. A “Temperature Upgrade Kit for Commercial and Hydronic Heating” is available from. 1 Based on Rheem testing of 1/2" gas line with gas supply of 7" w. (650) 323-6464. (214) 753-4633. Rheem 18kW 240V Tankless Electric Water Heater. Rheem Tankless Outdoor Water Heater review after 1 year. The brand offers a variety of top-quality models: gas and electric, indoor and. Electric Storage Water Heaters. Problem. Expert Installation Available. Water heaters with the storage tank can provide hot water until the water tank is empty. The water is heated as it passes through the tankless water heater. Overview. Commercial Water Heating. Rheem Tankless . Website. Add to Cart. This ever-expanding commercial tankless line now includes eight new units with four built-in. Add to Cart. Residential Products. Rheem offers a 5-6 year warranty on most. Determine the location best suited for this appliance and make sure you have allowed for the proper clearances around it to comply with all state and local building codes. Rheem RTGH-95XLP-2 HE Outdoor Propane Tankless Water Heater. I'm not sure what the next step should be. Tankless Water Heating. 82 uniform energy factor. 5 gpmFind a Retail Store. Remove electrical connection box (single screw on outside left). How it works video. Rheem ® ENERGY STAR ® certified tankless gas water heaters are designed for comfort and conservation. rheem electric water heater. Continuous hot water: Rheem performance platinum tankless water heaters when you need it, for as long as you need it and the 8. Model# ECO200XELN-3. * All. The only way to really help and for the most part resolve the problem is to use a heat tape just like all the service people do for exposed areas under mobile homes and drains in areas that are not climate controlled like the many in my area (which is also around 20 degrees and also in major flood stage at 13 feet above flood stage). Commercial Water Heating. Ensure that your propane or gas tank has enough fuel to operate the water heater. Item Name: Water Service Valve. 40gpm ensures hot water is received even in low demand situations. Locate and mark the spot where you plan to install the tankless water heater. Check Status Online. Comes with industry leading warranties and energy efficiencies. Tax Credit . Its energy-efficient operation leads to big energy costs savings. Rheem RTG-64DVLN Tankless Natural Gas Water Heater Review. Refers to homes with existing gas supply. It's also more efficient than most. / Ball Ground. RETEX-06T On Demand 1. Gas-Fired Water Heaters. We hope you are enjoying your heater, should you ever have any questions or concerns please call Rheem Tankless Technical Support at 866-720-2076 Monday-Friday between the hours of 8 A. 94% condensing tankless water heater (72 pages) Water Heater Accessories Rheem RTGH-95X Installation Instructions Manual. 720-692-9874. 9 gallons of hot water per minute (GPM) in warm. HYDRO MASTER Tankless Water Heater Service Valve Kit with Pressure Relief Valve 3/4-Inch IPS Isolator Clean Brass. 5 gallons per minute. United States & Canada. Rinnai RU160iN RU Model Series. 36kW Tankless Electric Water Heater (240V / 4 Heating Chambers) $911. Enjoy the comfort and convenience of continuous hot water on demand with a Rheem ® tankless water heater. To fix this issue, you need to slow down the flow rate. For tank water heaters, the key criterion is hot water storage capacity. Rheem Manufacturing ranks as the global leader in the manufacture of high-quality, sustainable, and innovative water heaters, tankless water heaters, air conditioners, furnaces, pool heaters, and HVAC systems for residential and commercial applications, and is a full member of AHRI, the Air-Conditioning, Heating, & Refrigeration Institute. 5 kW tankless electric water heater ideal for low flow point-of-use applications. All these topics, and more, are discussed in this Fine Homebuilding article: Hot-water circulation loops. 1. Tankless water heater systems provide a continuous flow of hot water on-demand without the use of a storage tank. Expert Installation Available $ 1618. When replacing a heating element, shut off water leading to the water heater. 6 GPM Residential Point-Of-Use Tankless Electric Water Heater. The serial number identification on all Rheem water heating product rating labels contain ten (10) digits. 5 GPM Natural Gas Super High Efficiency Indoor Smart Tankless Water Heater. Insufficient or Restricted Gas Flow. BEST FOR LARGE FAMILY: A. ≥ 3. 8-GPM 199000-BTU Indoor Natural Gas Tankless Water Heater. Discount Plumbing San Diego LLC. The high-quality RTEX-18 is rated for up to 4. 65. Today the. After checking for leaks, turn the gas line. Manifold Control Models link up to 20 units. Fuel sources can be propane, natural gas or electricity. water heater. Residential Water Heating. 1. Air Conditioning Parts. TX Water Heater has specialists in gas, electric, tank, tankless,40 & 50-gallon water heaters. Efficient and earth-friendly products designed for any size home. Air Conditioning Parts. Trust your new water heater and HVAC system installation to an independent Rheem pro in Grapevine AR. The step-by-step procedure for cleaning the flame sensor on a Rheem tankless water heater is the following: Turn off the unit's power supply. Rinnai. The average water heater flood claim is $4,440 1. Rinnai: 15 tankless water heaters available. Industry leading low flow activation with a minimum flow rate of . Rheem tankless gas water heaters are more energy efficient than conventional water heaters, because the tankless models eliminate the need for reheating stored water. Because a tankless water heater only heats water when you are using hot water, you eliminate energy waste. Boilers; Combination Boilers; Tankless Electric Water Heaters; Tankless Condensing Tankless Gas Water Heaters with Built-in Recirculation; Tankless 95 Series (199k BTU) Tankless 90 Series (180k BTU) Tankless 84 Series (157k/180k BTU) Tankless 70 Series (160k BTU) Tankless 68 Series (120k BTU) Electric Tank Water. Rheem Manufacturing ranks as the global leader in the manufacture of high-quality, sustainable, and innovative water heaters, tankless water heaters, air conditioners, furnaces, pool heaters, and HVAC systems for residential and commercial applications, and is a full member of AHRI, the Air-Conditioning, Heating, & Refrigeration Institute. 2 GPM Residential Natural Gas or Liquid Propane High Efficiency Gas Tankless Water Heater:. This process creates hot exhaust, which must be vented through stainless-steel flue pipes. While non-condensing tankless water heaters are. It comes with 5. CST. Click on the button below to attend our online trainings now! Learn More. Total price: Add both to Cart. Rheem RTGH-95DVLN 9. electric tankless hot water heater. Our whole-home tankless water heaters, available in natural gas, propane and. It means the desired water volume is too high that exceeds your desired preset temperature. By displaying a code on your tankless heater, you, or a professional, can read the code to understand what went wrong and how to fix it. 1. Residential. Rheem’s RTGH-68DVLN-3 Super High Efficiency indoor condensing natural gas tankless gas water heater delivers continuous hot water with minimal wait, saving time, energy and water. (If this is a new installation, make sure the water is completely shut off. The initial investment cost of a solar water heater can be significantly higher than other types of water heating systems. The Rheem Performance RTEX-04 is a 3. Tankless. It heats water only when it's needed and has a 0. You can use a toothbrush to scrub the screen. Cost-effectiveness. 99. Converting from a tanked water heater to tankless is always a major renovation. That is, a water heater in the North—either tank or tankless—will need a higher BTU input in the winter than. Install the water lines to the tankless water heater usingAttend our online trainings to learn what makes Rheem products so outstanding and durable. 10. The average lifetime of a gas water heater is 9-12 years. Water heater is less than 6 months old and it continues to throw EC 12 about every 10th fire up. Tankless Water Heaters Recalled. Next, verify that the gas is flowing to the burner by. 7. Available in both indoor and outdoor models, Rheem® high-efficiency condensing tankless gas water heaters are loaded with features to help you save money and reduce water waste. The Energy Star-rated Pro Prestige Series 95 direct-vent indoor model with 94% efficiency is the top model in this group. It’s compact design fits almost anywhere. Mobile, online, and mail-in applicants who previously applied for a rebate for a natural gas dryer, tankless water heater, smart thermostat, or water heater can check their rebate status now. RheemPerformance 75 Gal. On February 21, 2007, The U. External Remote included. Step #2: Unscrew all the screws and remove the front panel cover. com. Rheem Canada - The Leader in Tankless Water Heaters, Air Conditioners, and HVAC for Canadian Homes and Businesses. A tankless water heater only heats water as needed. However, tankless water heater installation does require more of an upfront investment, may need venting and isn’t ideal for heavy usage. Tank Water Heaters provide a large volume of dependable, low-cost hot water. Rheem Commercial Water Heaters. Only 14 left in stock - order soon. Flexible water heater hoses are recommended to be used with your water heater as part of the installation. Tankless Non-Condensing. How a Rheem Non-Condensing Water Heater Works. However, as mentioned earlier, it depends on the number of people using hot water in the household or business, and Rheem’s gpm rating is adequate for small to medium-sized families. for Rheem, Ruud, Rheem-Ruud, Richmond, EcoSense and Paloma tankless water heaters | 5 Tankless Gas Water Heater Parts Kits for Rheem Tankless Water Heaters Rheem introduces the Tankless Gas Water Heater Service parts kits. $1,499. M. Energy Star Certified. Gas-operated tankless water heaters can last for at least 20 years that’s longer than. com. This Rheem Performance Platinum High Efficiency Tankless Water Heater provides estimated energy cost savings of more than $1,100 over 12 years. Now, proper ventilation is crucial for the safe operation of any gas appliance, including a tankless water heater. Step two is to consider the incoming water temperature. Rheem Manufacturing ranks as the global leader in the manufacture of high-quality, sustainable, and innovative water heaters, tankless water heaters, air conditioners, furnaces, pool heaters, and HVAC systems for residential and commercial applications, and is a full member of AHRI, the Air-Conditioning, Heating, & Refrigeration Institute. Converting from a tanked water heater to tankless is always a major renovation. Compare. up to 34% more efficient than a standard 50-gallon tank. 1. Clean the combustion chamber. 8% Energy efficient PERFORMANCE™ tankless electric water heaters RHEEM PART NUMBER GPM RATING OF INSERTS PROVIDED CONNECTION SIZE RTE10001A 1. 3 Different shower modes to provide you with a variety of shower experiences. 7 and 6. ≥ 2. Professional Classic® tankless electric water heaters offer continuous hot water quick and on demand for single point-of-use or multiple applications. Rheem Manufacturing ranks as the global leader in the manufacture of high-quality, sustainable, and innovative water heaters, tankless water heaters, air conditioners, furnaces, pool heaters, and HVAC systems for residential and commercial applications, and is a full member of AHRI, the Air-Conditioning, Heating, & Refrigeration Institute. Free Shipping! Please select a finish. Check the stuck dirt and lint from the filter screen under the running water. Bottom 3/4" NPT water connections. . 9 gallons of 120 degree hot water per minute at a 77 degree temp. You can use our tankless hot water heater sizing calculator to work out the right water heater size for. Rheem Manufacturing ranks as the global leader in the manufacture of high-quality, sustainable, and innovative water heaters, tankless water heaters, air conditioners, furnaces, pool heaters, and HVAC systems for residential and commercial applications, and is a full member of AHRI, the Air-Conditioning, Heating, & Refrigeration Institute. Find reviews, expert advice, manuals, specs & more. Shop for Tankless Water Heaters at Ferguson. Website. The initial investment cost of a solar water heater can be significantly higher than other types of water heating systems. Rheem Manufacturing ranks as the global leader in the manufacture of high-quality, sustainable, and innovative water heaters, tankless water heaters, air conditioners, furnaces, pool heaters, and HVAC systems for residential and commercial applications, and is a full member of AHRI, the Air-Conditioning, Heating, & Refrigeration. Non-Condensing Tankless Water Heaters: This type of water heater burns propane or natural gas and then uses a primary heat exchanger that rapidly heats the water as it flows through the heater. Flushing the system is necessary to remove sediment buildup, ensuring optimal performance. $29000. Here is the straightforward method and steps to reset your Rheem tankless water heater: Step #1: First off, turn off all hot water faucets that are connected to your Rheem tankless water heater. Website. of water per year with our exclusive water savings settingThis item: Rheem PROTECH Ignitor Coil RTG20235C. Brand New Facelifted Design while maintaining high quality shower performance. On demand, continuous hot water. 95 GPM: 8 kW: Not listed: 6 pounds ‎12. Rheem 18kw Tankless Electric Water Heater. Remove the access panel cover of the unit. Rheem Manufacturing ranks as the global leader in the manufacture of high-quality, sustainable, and innovative water heaters, tankless water heaters, air conditioners, furnaces, pool heaters, and HVAC systems for residential and commercial applications, and is a full member of AHRI, the Air-Conditioning, Heating, & Refrigeration Institute. 82 uniform energy factor (UEF). (562) 371-7528. The new Rheem® RTGH Series Super High Efficiency Condensing units are ideal for tankless replacements and are available with built-in Wi-Fi and LeakGuard. 17 each. The New Standard in Tankless. Coriano & Sons Plbg. Residential. Item SKU: RTG20111 replaces AP13892 in Spring 2008. Self-modulating power control. The Rheem ® ProTerra ™ Hybrid Electric Water Heater delivers savings when you buy—in the form of a $300 federal tax credit (2021) and nationwide utility rebates up to $1,000 1 —and up to $490 per year in energy cost savings 2. Residential Water Heating. Takagi T-H3-DV-N. UMC-117 main remote-control pad. Rheem 13kw Tankless Electric Water Heater RTEX-13. But since tankless water heaters supply endless hot water, you don’t have to worry about capacity. Manufacturer Part #RTGH-SR10I. (See Figure 1) 6. If you’re in the Dallas / Fort Worth, Texas area, call Horizon Plumbing Service at (817)-790-9595 to get your tankless water heater running smoothly again. 9. 0 GPM model can provide enough hot water to supply two to three bathrooms at the same time (at a 35-degree temperature rise) Saves water: save up to 1,100 gal. Tankless water heaters can be a great solution to provide hot water;GPM (Gallons Per Minute) Ratings. Through a local, Independent Rheem Pro. 1), and any other local gas codes when installing a Rheem Tankless Water Heater. Commercial Water Heating. Best Plumbers Near Me. Estimate and add the maximum number of services that might be drawing hot water at any point, such as: Shower = 2 gpm. Welcome Guest. Remove the access panel from the front of the unit. Our Technical Support Team is available Monday thru Friday from 8 a. 0, 3. Service valves included. CST and one of our experienced analysts will be happy to assist you with any questions you many have. Inability to Turn on. Insufficient or Restricted Gas Flow. Remove your new tankless water heater from the carton and place all hardware and instructional material close at hand. Call us at 1-866-496-2032 or click here to confirm the availability of this service and schedule your FREE. Tankless Gas Water Heaters Save Energy and Money. The RTGH-68DVLN-3 features exclusive Hot Start Programming which keeps the water heater in a ready state eliminating cold water bursts with back-to. Consumer Product Safety Commission, in cooperation with CSA International, Rheem Manufacturing Company (Rheem) and Paloma. The RTGH-68DVLN-3 features exclusive Hot Start Programming which keeps the water heater in a ready state eliminating cold water bursts with back-to. c. We’ve just released the Rheem ThermaForce™ Super High Efficiency condensing portfolio of combi boilers, boilers and tankless water heaters. Rheem: Warranties range from six months to a lifetime warranty, depending on the product. ):Six Unit Tankless Installation: Six tankless water heaters shall be installed with MIC-6 Manifold Controller, a single remote control and vented to the outside per the manufacture instructions. Rheem Manufacturing ranks as the global leader in the manufacture of high-quality, sustainable, and innovative water heaters, tankless water heaters, air conditioners, furnaces, pool heaters, and HVAC systems for residential and commercial applications, and is a full member of AHRI, the Air-Conditioning, Heating, & Refrigeration Institute. With its compact size and easy installation, this. 8 Gpm - Natural Gas. ( 867) Model# XP40S12HE36U0. (770) 735-3855. RheemPerformance 36 kw Self-Modulating 7. 180 MBH Indoor/Outdoor Non-Condensing Propane Gas Tankless Water Heater. Available in both indoor and outdoor models, Rheem® high-efficiency condensing tankless gas water heaters are loaded with features to help you save money and reduce water waste. The 180,000 BTU Natural Gas Tankless Water Heater is designed to supply continuous. Introducing Rheem ® Commercial Condensing Tankless Water Heaters—the most popular brand of tankless water heaters 1 —and the best option for commercial projects and applications. Thank you for purchasing the Rheem Performance Platinum 9. up to 24'; Installation conditions vary; Consult the Rheem® Use and Care Manual, the Rheem® Gas Piping Facts brochure (TK-GPF-12), the National Fuel Gas Code (NFPA 54, ANSI Z223. 1. * All. If you need a smaller water heater on a budget, the EcoSmart ECO 11 is the electric, tankless option that is perfect for a smaller household of one or two people. Water Heating. Rheem Water Heating • 1115 Northmeadow Parkway, Suite 100 Roswell, Georgia 30076 •. $55900. While it’s a good idea to understand what is going wrong with your tankless water heater, physically troubleshooting the unit is best left up to the professionals. New. 1 Based on Rheem testing of 1/2" gas line with gas supply of 7" w. Install a pressure relief valve and purge valve per the manufacturer’s instructions. Hybrid Water Heating. The Rinnai V75iN is a high-efficiency natural gas tankless water heater that perfectly blends efficiency, comfort, and value. Share: $1,167. Rheem 13kw Tankless Electric Water Heater RTEX-13. M. That being said, after almost a week long retrofit of the water heater closet and installation of the new Rheem Performance Platinum.