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![]() B0134SSTN4 Price: $120 Score: 1000.000 Category: Tools Rating: 4.7 Votes: 7 Find similar productsNoritz Tankless Water Heater Isolator Valve Kit (threaded), 3/4 In., Lead Free. Noritz IK-WV-7-TH-LF Tankless Water Heater Isolation Valve Kit Lead Free. | ![]() B07KVCFT2K Price: $59.98 Score: 8.000 Category: Tools Rating: 4.5 Votes: 2282 Find similar productsHYDRO MASTER Tankless Water Heater Service Valve Kit with Pressure Relief Valve 3/4-Inch IPS Isolator Clean Brass. . |
![]() B082H534Z2 Price: $52.52 Score: 7.692 Category: Tools Rating: 4 Votes: 45 Find similar productsKahenian 3/4 inch Tankless Water Heater Isolation Service Valve with Pressure Relief Valve, PTC X FNPT, 3/4 Service Installation Valve for Rheem, Rinnai, Takagi, EcoSmart (3/4 PTC). . | ![]() B001BNPSFW Price: $78 Score: 6.667 Category: Tools Rating: 4.6 Votes: 253 Find similar productsAmtrol ST-12 Thermal Expansion Tank. Amtrol ST-12 THERM-X-TROL Expansion Tank, 4.4 Gallon (141N43) What Is Thermal Expansion? With modern plumbing codes mandating backflow prevention, thermal expansion can cause pressure buildup in domestic water systems. When demand is put upon a potable water system, hot water is drawn from the water heater. Cold water from the supply line enters the water heater to replenish it. The colder water is heated to replace the hot water used. With the installation of a backflow preventer, check valve or pressure reducing valve on the supply line, the water heater and the system piping form a closed plumbing system under pressure. As the water is heated, thermal expansion occurs. Pressure increases until the relief valve opens and the expanded water spills from the water heater. This spillage results in wasted BTU's and a potential safety hazard for the homeowner. Closed Potable Hot Water system without THERM-X-TROL Backflow preventer, pressure reducing valve or meter causes expanded (heated) water to build pressure causing the relief valve to open resulting in: Wasted BTU's Shortened water heater life Wasted municipal water and sewer dollars Potential safety hazard for homeowner The Amtrol THERM-X-TROL ST-12 Expansion Tank is designed to eliminate this problem by providing control of maximum pressures at a level below the relief valve setting. It also provides an additional space in the system to accommodate the increased volume of water created by thermal expansion, returning it to the system when hot water delivery is demanded. |
![]() B007P54S10 Price: $14.44 Score: 6.173 Category: Tools Rating: 5 Votes: 1 Find similar productsEemax EX850SS, White. Product Description Element for EX90TDI - 277V for Imax Electric Thankless Water Heaters. Made in the US. Hot Water Solutions Made Easy. From the Manufacturer Element for EX90TDI - 277V for Eemax Electric Tankless Water Heaters. Made in the US. Hot Water Solutions Made Easy. | ![]() B001CMLPZ4 Availability: Currently unavailable Score: 6.173 Category: Tools Rating: 3.9 Votes: 73 Find similar productsRheem RTG20124 Flush Kit - Tankless Gas Water Heater. Product Description The Rheem RTG20124 is a flush kit for a tankless gas water heater. HVAC replacement part Rheem RTG20124. Get your system working properly once again with replacement parts. From the Manufacturer The Rheem RTG20124 is a flush kit for a tankless gas water heater. HVAC replacement part Rheem RTG20124. Get your system working properly once again with replacement parts. |
![]() B00JWSYVLA Price: $148 Score: 6.135 Category: Tools Rating: 4.3 Votes: 12 Find similar productsHydrolevel 1100 Safgard Low Water Cut-off for Gas Hot Water Boilers 24V. Enjoy a discount deal on the HYDROLEVEL 1100 24V COMPACT LOW WATER here at the PlumbersStock store affordable DIY solutions. | ![]() B001B1JHHO Price: $66.39 Score: 6.098 Category: Tools Rating: 4.6 Votes: 459 Find similar productsAMTROL ST-5 Thermal Expansion Tank. Product Description AMTROL ST-5 Thermal Expansion Tank From the Manufacturer Amtrol invented the thermal expansion tank to control pressure build-up in closed, hot water systems. This prevents the water heater pressure relief valve from opening, saves energy and eliminates a potential safety hazard. All Therm-X-Trol expansion tank. |
![]() B008ORCKO0 Price: $100.8 Score: 6.024 Category: Tools Rating: 4 Votes: 7 Find similar productsNoritz VP4-90ELBOW 90 Degree elbow vent pipe for 4 Stainless Steel. Product Description 4 Diameter, 90 Degree elbow (L Shape) category III stainless steel vent pipe From the Manufacturer Noritz America Corporation was established in 2001 to meet a growing demand among American consumers for more cost effective hot water heater technology. Serving both homeowners and commercial users across the United States and Canada, Noritz America offers four distinguished lines of tankless gas water heaters to meet the varying needs of its broad spectrum of customers – ecoTOUGH, ProTOUGH and Value Solutions as well as full line of commercial. With a solid commitment to sustainability and superb technology solutions in tankless hot water heaters, Noritz makes significant investment in research and development. And through the dedication of its valued employees, Noritz Corporation continues to shape the future of sustainable living in North America through its tankless water heater solutions. | ![]() B06XNVJQD5 Price: $159.99 Score: 5.988 Category: Tools Rating: 4.5 Votes: 185 Find similar productsHoneywell WT8840A1500 Gas Valve, White. Water Heater Gas Valve Control, NG - 2 Spud, 4 W.C. |









