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Mixing Valves
Mixing Valves
Lead Content Warning
Do not use this item for any installation or repair of potable water applications. This product does not comply with the "Safe Drinking Water Act," which requires that products meet low-lead standards in order to be used in systems providing water for human consumption (drinking or cooking). This item is for non-potable (non-human consumption) water applications only.
Lead Content Warning
This product does not comply with the Safe Drinking Water Act, which requires that products used in any system providing water for human consumption (drinking or cooking) to meet low-lead standards. Please check the box below to confirm you are aware that this item is for non-potable water applications only.
You must agree to this statement in order to purchase this product.
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Add to ListAdd to List3/4" Sweat Union Mixing Valve (LF) AM101-US-1LF 3/4" Sweat Union Mixing Valve (LF)SKU: AM101-US-1LFBrand: Honeywell-Sparco
(18)Add to List -
Add to ListAdd to List1/2" Lead Free Union Sweat Mixing Valve (70°F-145°F) AM100-US-1LF 1/2" Lead Free Union Sweat Mixing Valve (70°F-145°F)SKU: AM100-US-1LFBrand: Honeywell-Sparco(36)Add to List -
Add to ListAdd to List3/4" Press MIXCAL 3-Way Thermostatic Mixing Valve w/ Gauge 521516A 3/4" Press MIXCAL 3-Way Thermostatic Mixing Valve w/ GaugeSKU: 521516ABrand: Caleffi(3)Add to List -
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Add to ListAdd to List3/4" Sweat 5003 Mixing Valve (Low Lead) 5003-C3 3/4" Sweat 5003 Mixing Valve (Low Lead)SKU: 5003-C3Brand: Taco(32)Add to List -
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Add to ListAdd to List3/4" Lead Free Union Sweat Mixing Valve w/ Temp Gauge (70-145F) AM101-USTG-1LF 3/4" Lead Free Union Sweat Mixing Valve w/ Temp Gauge (70-145F)SKU: AM101-USTG-1LFBrand: Honeywell-Sparco(3)Add to List -
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Add to ListAdd to ListAM-1 Repair Kit STD and R Models AM-1-025RP AM-1 Repair Kit STD and R ModelsSKU: AM-1-025RPBrand: Honeywell-Sparco(25)Add to List -
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Add to ListAdd to List3/4" Sweat Union 5003 Mixing Valve w/ Gauge (Low Lead) 5003-C3-G 3/4" Sweat Union 5003 Mixing Valve w/ Gauge (Low Lead)SKU: 5003-C3-GBrand: Taco(13)94Mon, Feb 1Add to List -
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Add to ListAdd to List1/2" Union Sweat Mixing Valve, 80 to 120F (Lead Free) MVS050 1/2" Union Sweat Mixing Valve, 80 to 120F (Lead Free)SKU: MVS050Brand: BluefinAdd to List -
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Add to ListAdd to List1/2" Union Female Threaded Mixing Valve, 80 to 120F (Lead Free) MVT050 1/2" Union Female Threaded Mixing Valve, 80 to 120F (Lead Free)SKU: MVT050Brand: BluefinAdd to List -
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Add to ListAdd to List3/4" Female NPT Lead Free Mixing Valve (70°F-145°F) AM101-1LF 3/4" Female NPT Lead Free Mixing Valve (70°F-145°F)SKU: AM101-1LFBrand: Honeywell-Sparco(18)Add to List -
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Add to ListAdd to List3/8" LFUSG-B-M2 Under Sink Guardian Mixing Valve (Lead Free) 0204143 3/8" LFUSG-B-M2 Under Sink Guardian Mixing Valve (Lead Free)SKU: 0204143Brand: Watts(6)Add to List -
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Add to ListAdd to ListAM-1 Gasket Kit for Series Mixing Valve AMU200-RP AM-1 Gasket Kit for Series Mixing ValveSKU: AMU200-RPBrand: Honeywell-Sparco(5)Add to List -
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Add to ListAdd to List1" Union Sweat Mixing Valve, 70°F-180°F (Heating Only) AM102R-US-1 1" Union Sweat Mixing Valve, 70°F-180°F (Heating Only)SKU: AM102R-US-1Brand: Honeywell-Sparco(21)Add to List -
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Add to ListAdd to List3/4" Sweat MIXCAL 3-way Mixing Valve w/ Temp. Gauge & Check 521519AC 3/4" Sweat MIXCAL 3-way Mixing Valve w/ Temp. Gauge & CheckSKU: 521519ACBrand: Caleffi(4)Add to List -
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Add to ListAdd to ListDirectConnect Water Heater Kit w/ 3/4'' Mixing Valve, 8'' SS Corrugated Hose Connector (Lead Free) AMX300TLF DirectConnect Water Heater Kit w/ 3/4'' Mixing Valve, 8'' SS Corrugated Hose Connector (Lead Free)SKU: AMX300TLFBrand: Honeywell-Sparco(18)Add to List -
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Add to ListAdd to List1/2" LF70A Lead Free Sweat Tempering Valve (120° -160°) 0559129 1/2" LF70A Lead Free Sweat Tempering Valve (120° -160°)SKU: 0559129Brand: Watts(8)Add to List -
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Add to ListAdd to List1" Sweat Union 5004 Heating Only Mixing Valve w/ Gauge 5004-HX-C3-G 1" Sweat Union 5004 Heating Only Mixing Valve w/ GaugeSKU: 5004-HX-C3-GBrand: Taco(6)68Mon, Feb 1Add to List -
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Add to ListAdd to ListTank Booster Pro w/ Braided Hose & Temperature Gauge 24644 Tank Booster Pro w/ Braided Hose & Temperature GaugeSKU: 24644Brand: Cash-Acme(10)Add to List -
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Add to ListAdd to ListSet of 3 Gaskets for Taco 5000 Mixing Valves 5002-002RP Set of 3 Gaskets for Taco 5000 Mixing ValvesSKU: 5002-002RPBrand: Taco(6)Add to List -
![3/4" Union Push-Fit Mixing Valve, 80 to 120F (Lead Free) Product Image]()
Add to ListAdd to List3/4" Union Push-Fit Mixing Valve, 80 to 120F (Lead Free) PFMV075 3/4" Union Push-Fit Mixing Valve, 80 to 120F (Lead Free)SKU: PFMV075Brand: BluefinAdd to List -
![1/2" Union Push-Fit Mixing Valve, 80 to 120F (Lead Free) Product Image]()
Add to ListAdd to List1/2" Union Push-Fit Mixing Valve, 80 to 120F (Lead Free) PFMV050 1/2" Union Push-Fit Mixing Valve, 80 to 120F (Lead Free)SKU: PFMV050Brand: BluefinAdd to List -
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Add to ListAdd to List3/4" Union PEX Crimp Mixing Valve, 80 to 120F (Lead Free) PXMV075 3/4" Union PEX Crimp Mixing Valve, 80 to 120F (Lead Free)SKU: PXMV075Brand: Bluefin(1)Add to List -
![1/2" Lead Free Union Sweat Mixing Valve w/ Temp Gauge (70-145F) Product Image]()
Add to ListAdd to List1/2" Lead Free Union Sweat Mixing Valve w/ Temp Gauge (70-145F) AM100-USTG-1LF 1/2" Lead Free Union Sweat Mixing Valve w/ Temp Gauge (70-145F)SKU: AM100-USTG-1LFBrand: Honeywell-Sparco(36)Add to List -
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Add to ListAdd to List3/4" NPT Union Mixing Valve (Lead Free) AM101-UT-1LF 3/4" NPT Union Mixing Valve (Lead Free)SKU: AM101-UT-1LFBrand: Honeywell-Sparco(20)Add to List -
![3/4" Union Sweat Mixing Valve, 80°F-180°F<br>(Heating Only) Product Image]()
Add to ListAdd to List3/4" Union Sweat Mixing Valve, 80°F-180°F (Heating Only) AM101R-US-1 3/4" Union Sweat Mixing Valve, 80°F-180°F (Heating Only)SKU: AM101R-US-1Brand: Honeywell-Sparco(21)Add to List -
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Add to ListAdd to ListHG-110D, 1/2" SharkBite Thermostatic Mixing Valve, Integral Connection (LF) 24504 HG-110D, 1/2" SharkBite Thermostatic Mixing Valve, Integral Connection (LF)SKU: 24504Brand: SharkBite(5)Add to List -
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Add to ListAdd to List3/4" Sweat MIXCAL 3-Way Thermostatic Mixing Valve w/ Gauge 521519A 3/4" Sweat MIXCAL 3-Way Thermostatic Mixing Valve w/ GaugeSKU: 521519ABrand: Caleffi(5)Add to List -
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Add to ListAdd to List3/4" LF1170M2-UT Lead Free Threaded Mixing Valve 0559104 3/4" LF1170M2-UT Lead Free Threaded Mixing ValveSKU: 0559104Brand: Watts(12)Add to List -
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Add to ListAdd to ListHG-110DLF 3/4" SharkBite Thermostatic Mix Valve Integral Connection (LF) 24505 HG-110DLF 3/4" SharkBite Thermostatic Mix Valve Integral Connection (LF)SKU: 24505Brand: SharkBite(7)Add to List -
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Add to ListAdd to List1" Sweat MIXCAL 3-way Mixing Valve w/ Temp. Gauge & Check 521619AC 1" Sweat MIXCAL 3-way Mixing Valve w/ Temp. Gauge & CheckSKU: 521619ACBrand: Caleffi(1)Add to List -
![1/2" NPT Mixing Valve, Lead Free (70°F-145°F) Product Image]()
Add to ListAdd to List1/2" NPT Mixing Valve, Lead Free (70°F-145°F) AM100-1LF 1/2" NPT Mixing Valve, Lead Free (70°F-145°F)SKU: AM100-1LFBrand: Honeywell-Sparco(18)Add to List -
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Add to ListAdd to List3/4" LFMMVM1-UT Lead Free Mixing Valve (Threaded) 0559119 3/4" LFMMVM1-UT Lead Free Mixing Valve (Threaded)SKU: 0559119Brand: Watts(11)Add to List -
![3/4" Union Press Mixing Valve Lead Free<br>(70°F - 145°F) Product Image]()
Add to ListAdd to List3/4" Union Press Mixing Valve Lead Free (70°F - 145°F) AM101-UP-1LF 3/4" Union Press Mixing Valve Lead Free (70°F - 145°F)SKU: AM101-UP-1LFBrand: Honeywell-Sparco(1)Add to List -
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Add to ListAdd to List3/4" LFMMVM1-US Lead Free Mixing Valve (Sweat) 0559118 3/4" LFMMVM1-US Lead Free Mixing Valve (Sweat)SKU: 0559118Brand: Watts(14)Add to List -
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Add to ListAdd to List3/8" Thermostatic Mixing Valve, Lead Free (Compression) 38-ZW3870XLT 3/8" Thermostatic Mixing Valve, Lead Free (Compression)SKU: 38-ZW3870XLTBrand: ZurnAdd to List -
![1" Sweat Union 5004 Heating Only Mixing Valve Product Image]()
Add to ListAdd to List1" Sweat Union 5004 Heating Only Mixing Valve 5004-HX-C3 1" Sweat Union 5004 Heating Only Mixing ValveSKU: 5004-HX-C3Brand: Taco(3)Add to List -
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Add to ListAdd to List3/4" Sweat MIXCAL 3-Way Thermostatic Mixing Valve 521509A 3/4" Sweat MIXCAL 3-Way Thermostatic Mixing ValveSKU: 521509ABrand: Caleffi(6)Add to List -
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Add to ListAdd to List1/2" Press MIXCAL 3-Way Thermostatic Mixing Valve w/ Gauge 521416A 1/2" Press MIXCAL 3-Way Thermostatic Mixing Valve w/ GaugeSKU: 521416ABrand: CaleffiAdd to List -
![3/4" TankBooster Pro Temperature Gauge Product Image]()
Add to ListAdd to List3/4" TankBooster Pro Temperature Gauge 25376-CASH-ACME 3/4" TankBooster Pro Temperature GaugeSKU: 25376-CASH-ACMEBrand: Cash-Acme(4)Add to List -
![Lead Free Repair Kit for Watts 1/2"-3/4" 70A Series Tempering Valve (70A-RK) Product Image]()
Add to ListAdd to ListLead Free Repair Kit for Watts 1/2"-3/4" 70A Series Tempering Valve (70A-RK) 0125129 Lead Free Repair Kit for Watts 1/2"-3/4" 70A Series Tempering Valve (70A-RK)SKU: 0125129Brand: Watts(12)Add to List -
![1/2" LFMMVM1-UT Lead Free Mixing Valve (Threaded) Product Image]()
Add to ListAdd to List1/2" LFMMVM1-UT Lead Free Mixing Valve (Threaded) 0559116 1/2" LFMMVM1-UT Lead Free Mixing Valve (Threaded)SKU: 0559116Brand: Watts(11)Add to List -
![1" Union Washer Product Image]()
Add to ListAdd to List227Mon, Feb 1Add to List -
![3/4" LF70A Lead Free Sweat Tempering Valve (120° -160°) Product Image]()
Add to ListAdd to List3/4" LF70A Lead Free Sweat Tempering Valve (120° -160°) 0559133 3/4" LF70A Lead Free Sweat Tempering Valve (120° -160°)SKU: 0559133Brand: Watts(3)Add to List -
![1" Lead Free Union Sweat Mixing Valve w/ Temp Gauge (70-145F) Product Image]()
Add to ListAdd to List1" Lead Free Union Sweat Mixing Valve w/ Temp Gauge (70-145F) AM102-USTG-1LF 1" Lead Free Union Sweat Mixing Valve w/ Temp Gauge (70-145F)SKU: AM102-USTG-1LFBrand: Honeywell-Sparco(36)Add to List -
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Add to ListAdd to List3/4" Press Union AngleMix Thermostatic Mixing Valve w/ Temperature Gauge 520516A 3/4" Press Union AngleMix Thermostatic Mixing Valve w/ Temperature GaugeSKU: 520516ABrand: Caleffi(1)Add to List -
![1" Sweat Union Mixing<br>Valve (Lead Free) Product Image]()
Add to ListAdd to List1" Sweat Union Mixing Valve (Lead Free) AM102-US-1LF 1" Sweat Union Mixing Valve (Lead Free)SKU: AM102-US-1LFBrand: Honeywell-Sparco(36)Add to List -
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FAQs, Manuals & Videos
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More About Mixing Valves
Mixing valves mix cold and hot water to a desired temperature for a large variety of radiant heating and domestic water applications. They ensure constant, safe water temperature at faucet and fixture outlets to prevent scalding and thermal shock. They provide a steady mixing temperature within 85-150F degrees. Mixing valves are commonly referred to as thermostatic valves, diverting valves, tempering valves, or anti-scald valves.
How does a mixing valve work?
A thermostat in the mixing chamber of a mixing valve senses the outlet temperature. The thermostat automatically positions a seat assembly which controls the flow of hot and cold water supplied to the mixing chamber. If the mixed outlet temperature increases, the thermostat will expand and open the cold water inlet wider. This allows more cold water to enter the valve. However, if the mixed outlet temperature decreases, the thermostat will contract and open the hot water inlet wider, while simultaneously constricting the cold water inlet. By sensing the outlet temperature, the mixing valve will automatically adjust the flow of hot or cold water to maintain the preset temperature of the valve. In the event of a cold or hot water supply failure, the seat assembly moves to an extreme position and shuts off the hot or cold water inlet.
We offer mixing valves in a wide variety of sizes and connections types manufactured by Taco, Honeywell, Watts, Tekmar, and Holby to suit all of your standard, hydronic or radiant heating systems.
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