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![]() B001B1JHHO Price: $66.39 Score: 1000.000 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. | ![]() B001BNPSFW Price: $78 Score: 9.709 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. |
![]() B001AHO8E6 Availability: Currently unavailable Score: 8.475 Category: Tools Rating: 4.2 Votes: 27 Find similar productsWatts ETX-15 2.1-Gallon Non-Potable Expansion Tank for Hydronic Heating Systems. Product Description This 2. 1 gallon non-potable water expansion tank is for use in commercial and residential closed loop hydronic heating system piping to control the thermal expansion of hot water and maintain system pressure below the relief setting of the relief valve. The pre-pressurized steel tank features a durable expansion membrane that prevents contact of the water with the air in the tank. This rugged diaphragm minimizes loss of the air change and ensures long and trouble-free life for the system. Maximum pressure is 60 psi (4. 1 bar). From the Manufacturer Use the Watts series ET water expansion tank in tandem with your hot water heater to absorb increased water volume resulting from hot water boiler heating and keep system pressure below the relief setting. Use in closed-loop, non potable water heating systems. Durable steel tank with 60 psi maximum working pressure. | ![]() B0134SSTN4 Price: $120 Score: 6.098 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. |
![]() B007P54S10 Price: $14.44 Score: 6.061 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. | ![]() B01LZ9MMN1 Availability: Currently unavailable Score: 5.747 Category: Tools Rating: 5 Votes: 1 Find similar productsWater Pressure Reducing Valve, 85 psi. Designed so you can easily service without removing valve from the line, this WATTS water pressure reducing valve can reduce the incoming water pressure to help protect plumbing system components and reduce water consumption. Model has a standard bypass feature that allows the flow of water back through the valve into the main when pressure, due to thermal expansion on the outlet side of the valve, exceeds the pressure in the main supply.Note: The bypass feature will not prevent the pressure relief valve from opening on the hot water supply system with pressure above 150psi. Item: Water Pressure Reducing Valve Valve Type: High Pressure Strainer: Yes Material: Lead Free Brass Pipe Size: 1 Preset Pressure Settings: 85 psi Pressure Adjustment Range: 75 to 125 psi Connection Type: FNPT X FNPT Height: 8 Length: 6 Max. Temp.: 160 Degrees F Max. Pressure: 300 psi Standards: ASSE 1003, CSA B356, IAPMO. |
![]() B006T09F9C Availability: Currently unavailable Score: 5.682 Category: Tools Rating: 5 Votes: 2 Find similar productsRheem MTS50200 Marathon 50-Gallon Tall Thermal Storage Tank. Product Description Rheem is the industry leader for total heating, cooling and water heating solutions. In fact, Rheem is one of the few global brands with product offerings covering residential and commercial heating, cooling, conventional storage-style water heaters, tankless water heaters, solar water heating systems, replacement parts and accessories for all categories – making us a one-stop solutions provider. From the Manufacturer Rheem is the industry leader for total heating, cooling and water heating solutions. In fact, Rheem is one of the few global brands with product offerings covering residential and commercial heating, cooling, conventional storage-style water heaters, tankless water heaters, solar water heating systems, replacement parts and accessories for all categories – making us a one-stop solutions provider. | ![]() B0CD2836S4 Price: $175 Score: 5.587 Category: Tools Rating: 3.9 Votes: 27 Find similar productsEastman 3/4 Inch Nevercold Universal Hot Water Heater Recirculation Pump Kit, Brass, 70600. Cut down on water waste and never wait for hot water again in your home with the Nevercold hot water recirculating pump comfort system kit. The Nevercold recirculating pump kit is specially designed for operation on your water heater tank and includes (1) stainless recirculating pump with a 3/4 inch FNPT union, (1) 10 ft power cord, (1) bronze Aqua Flash bypass valve with check valve, (1) 12 inch braided water supply line, and (1) tee for a smooth and fast installation. The circulator pump is designed with an integrated built-in timer that activates the pump only when you will use hot water. Recirculation pump coupler system is intended for use in homes with standard single-pipe plumbing systems. **Not for use with tankless water heaters, requires an electrical outlet**. |
![]() B002JK0XBK Availability: Currently unavailable Score: 5.556 Category: Tools Rating: 3.7 Votes: 8 Find similar productsRheem RTG20184 3-Inch-5-Inch Vertical Vent Termination Kit. Product Description The Rheem RTG20184 is a 3-Inch/5-Inch vertical termination vent kit for your Rheem Direct Vent Tankless water heaters. All indoor tankless water heaters must be vented to the outdoors using factory approved venting materials. The Rheem RTG20184 utilizes a Category II stainless steel, that is highly resistant to corrosion and leakage. This ensures the RTG20184 to have an extended product life, and ensures your water heater to run efficiently. The vertical vent kit includes: an appliance adapter, condensate drain tube, storm collar, 6/12 -12/12 pitched cone flashing, and vertical termination with rain cap. From the Manufacturer The Rheem RTG20184 is a 3-Inch/5-Inch vertical termination vent kit for your Rheem Direct Vent Tankless water heaters. All indoor tankless water heaters must be vented to the outdoors using factory approved venting materials. The Rheem RTG20184 utilizes a Category II stainless steel, that is highly resistant to corrosion and leakage. This ensures the RTG20184 to have an extended product life, and ensures your water heater to run efficiently. The vertical vent kit includes: an appliance adapter, condensate drain tube, storm collar, 6/12 -12/12 pitched cone flashing, and vertical termination with rain cap. | ![]() B00O0HX6NW Availability: Currently unavailable Score: 5.525 Category: Tools Rating: 4.1 Votes: 36 Find similar productsGrundfos 98420210 Comfort PM Recirculation Pump FNPT, 1/2-Inch. Comfort PM for basic needs. If the customer requires a more basic hot water recirculation solution, the new energy-efficient COMFORT PM is the obvious choice. The COMFORT PM pump is compact, easily installed, and is available with constant operation (100%) mode. |









