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  • 3/4" Sweat Union Mixing Valve (LF) Product Image
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    3/4" Sweat Union Mixing Valve (LF) AM101-US-1LF 3/4" Sweat Union Mixing Valve (LF)
    SKU: AM101-US-1LF Resideo Braukmann
    SKU: AM101-US-1LF
    Brand: Resideo Braukmann
    (18)
    $94.99 each
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    539
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    539 Tue, Nov 2
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  • 3/4" Press MIXCAL <br>3-Way Thermostatic<br>Mixing Valve w/ Gauge Product Image
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    3/4" Press MIXCAL 3-Way Thermostatic Mixing Valve w/ Gauge 521516A 3/4" Press MIXCAL 3-Way Thermostatic Mixing Valve w/ Gauge
    SKU: 521516A Caleffi
    SKU: 521516A
    Brand: Caleffi
    (3)
    $144.62 each
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    191
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    191
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    191 Tue, Nov 2
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  • 1/2" Lead Free Union Sweat Mixing Valve<br>(70&#176;F-145&#176;F) Product Image
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    1/2" 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-1LF Resideo Braukmann
    SKU: AM100-US-1LF
    Brand: Resideo Braukmann
    (37)
    $93.99 each
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    412
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    412 Tue, Nov 2
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  • 3/4" Sweat Union 5003 Mixing Valve w/ Gauge (Low Lead) Product Image
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    3/4" 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-G Taco
    SKU: 5003-C3-G
    Brand: Taco
    (13)
    $105.29 each
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    49
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    363
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    49 Tue, Nov 2
    314 Wed, Nov 3 – Thu, Nov 4
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  • 3/4" Sweat 5003<br>Mixing Valve (Low Lead) Product Image
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    3/4" Sweat 5003 Mixing Valve (Low Lead) 5003-C3 3/4" Sweat 5003 Mixing Valve (Low Lead)
    SKU: 5003-C3 Taco
    SKU: 5003-C3
    Brand: Taco
    (34)
    $89.59 each
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    204
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    204 Tue, Nov 2
    236 Wed, Nov 3 – Thu, Nov 4
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  • 3/8" LFUSG-B-M2 Under Sink Guardian Mixing Valve (Lead Free) Product Image
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    3/8" LFUSG-B-M2 Under Sink Guardian Mixing Valve (Lead Free) 0204143 3/8" LFUSG-B-M2 Under Sink Guardian Mixing Valve (Lead Free)
    SKU: 0204143 Watts
    SKU: 0204143
    Brand: Watts
    (7)
    $84.05 each
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    310
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  • Tank Booster Pro w/ Braided Hose & Temperature Gauge Product Image
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    Tank Booster Pro w/ Braided Hose & Temperature Gauge 24644 Tank Booster Pro w/ Braided Hose & Temperature Gauge
    SKU: 24644 Cash-Acme
    SKU: 24644
    Brand: Cash-Acme
    (11)
    $95.62 each
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    265
    Tue, Nov 2
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    265 Tue, Nov 2
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  • DirectConnect Water Heater Kit w/ 3/4'' Mixing Valve, 8'' SS Corrugated Hose Connector (LF) Product Image
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    DirectConnect Water Heater Kit w/ 3/4'' Mixing Valve, 8'' SS Corrugated Hose Connector (LF) AMX300TLF DirectConnect Water Heater Kit w/ 3/4'' Mixing Valve, 8'' SS Corrugated Hose Connector (LF)
    SKU: AMX300TLF Resideo Braukmann
    SKU: AMX300TLF
    Brand: Resideo Braukmann
    (22)
    $143.99 each
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    166
    Tue, Nov 2
    166
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    166 Tue, Nov 2
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  • AM-1 Repair Kit<br>STD and R Models Product Image
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    AM-1 Repair Kit STD and R Models AM-1-025RP AM-1 Repair Kit STD and R Models
    SKU: AM-1-025RP Resideo Braukmann
    SKU: AM-1-025RP
    Brand: Resideo Braukmann
    (30)
    $34.99 each
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    166
    Tue, Nov 2
    166
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    166 Tue, Nov 2
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  • 3/4" Lead Free Union Sweat Mixing Valve w/ Temp Gauge (70-145F) Product Image
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    3/4" 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-1LF Resideo Braukmann
    SKU: AM101-USTG-1LF
    Brand: Resideo Braukmann
    (3)
    $127.99 each
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    145
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    145 Tue, Nov 2
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  • 1/2" LF70A Lead Free Sweat Tempering Valve (120° -160°) Product Image
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    1/2" LF70A Lead Free Sweat Tempering Valve (120° -160°) 0559129 1/2" LF70A Lead Free Sweat Tempering Valve (120° -160°)
    SKU: 0559129 Watts
    SKU: 0559129
    Brand: Watts
    (9)
    $84.99 each
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    96
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    96 Tue, Nov 2
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  • Set of 3 Gaskets for Taco 5000 Mixing Valves Product Image
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    Set of 3 Gaskets for Taco 5000 Mixing Valves 5002-002RP Set of 3 Gaskets for Taco 5000 Mixing Valves
    SKU: 5002-002RP Taco
    SKU: 5002-002RP
    Brand: Taco
    (6)
    $7.67 each
      Box Up & Save 4%  
    $88.68 box of 12
    $7.39 each
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    223
    Tue, Nov 2
    364
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    223 Tue, Nov 2
    141 Wed, Nov 3 – Thu, Nov 4
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  • 1/2" Union Sweat Mixing Valve, 80 to 120F (Lead Free) Product Image
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    1/2" Union Sweat Mixing Valve, 80 to 120F (Lead Free) MVS050 1/2" Union Sweat Mixing Valve, 80 to 120F (Lead Free)
    SKU: MVS050 Bluefin
    SKU: MVS050
    Brand: Bluefin
    $58.99 each
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    67
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    67 Tue, Nov 2
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  • 1/2" Union Female Threaded Mixing Valve, 80 to 120F (Lead Free) Product Image
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    1/2" Union Female Threaded Mixing Valve, 80 to 120F (Lead Free) MVT050 1/2" Union Female Threaded Mixing Valve, 80 to 120F (Lead Free)
    SKU: MVT050 Bluefin
    SKU: MVT050
    Brand: Bluefin
    $58.99 each
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    131
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    131 Tue, Nov 2
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  • AM-1 Gasket Kit for Series Mixing Valve Product Image
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    AM-1 Gasket Kit for Series Mixing Valve AMU200-RP AM-1 Gasket Kit for Series Mixing Valve
    SKU: AMU200-RP Resideo Braukmann
    SKU: AMU200-RP
    Brand: Resideo Braukmann
    (5)
    $3.28 each
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    166
    Tue, Nov 2
    166
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    166 Tue, Nov 2
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  • 3/4" Female NPT Lead Free Mixing Valve (70&#176;F-145&#176;F) Product Image
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    3/4" 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: AM101-1LF Resideo Braukmann
    SKU: AM101-1LF
    Brand: Resideo Braukmann
    (19)
    $95.99 each
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    256
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    256
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    256 Tue, Nov 2
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  • 3/4" Press Union AngleMix Thermostatic Mixing Valve w/ Temperature Gauge Product Image
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    3/4" Press Union AngleMix Thermostatic Mixing Valve w/ Temperature Gauge 520516A 3/4" Press Union AngleMix Thermostatic Mixing Valve w/ Temperature Gauge
    SKU: 520516A Caleffi
    SKU: 520516A
    Brand: Caleffi
    (1)
    $155.59 each
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    70
    Tue, Nov 2
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    70 Tue, Nov 2
    2 Wed, Nov 3 – Thu, Nov 4
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  • 3/4" Sweat MIXCAL 3-way Mixing Valve w/ Temp. Gauge & Check Product Image
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    3/4" Sweat MIXCAL 3-way Mixing Valve w/ Temp. Gauge & Check 521519AC 3/4" Sweat MIXCAL 3-way Mixing Valve w/ Temp. Gauge & Check
    SKU: 521519AC Caleffi
    SKU: 521519AC
    Brand: Caleffi
    (4)
    $130.25 each
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    147
    Tue, Nov 2
    152
    QtyArrives
    147 Tue, Nov 2
    5 Wed, Nov 3 – Thu, Nov 4
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  • 1" Union Sweat Mixing Valve, 70&#176;F-180&#176;F<br>(Heating Only) Product Image
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    1" 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-1 Resideo Braukmann
    SKU: AM102R-US-1
    Brand: Resideo Braukmann
    (21)
    $107.99 each
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    172
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    172 Tue, Nov 2
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  • Series 5000-3<br>Mixing Valve Body Product Image
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    Series 5000-3 Mixing Valve Body 5000-3 Series 5000-3 Mixing Valve Body
    SKU: 5000-3 Taco
    SKU: 5000-3
    Brand: Taco
    (7)
    $79.99 each
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    133
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    133 Tue, Nov 2
    71 Wed, Nov 3 – Thu, Nov 4
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  • 1" Sweat Union 5004 Heating Only Mixing Valve w/ Gauge Product Image
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    1" Sweat Union 5004 Heating Only Mixing Valve w/ Gauge 5004-HX-C3-G 1" Sweat Union 5004 Heating Only Mixing Valve w/ Gauge
    SKU: 5004-HX-C3-G Taco
    SKU: 5004-HX-C3-G
    Brand: Taco
    (6)
    $131.08 each
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    103
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    QtyArrives
    103 Tue, Nov 2
    115 Wed, Nov 3 – Thu, Nov 4
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  • 1" Press MIXCAL 3-Way Adjustable Thermostatic and Pressure Balanced Mixing Valve w/ Gauge Product Image
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    1" Press MIXCAL 3-Way Adjustable Thermostatic and Pressure Balanced Mixing Valve w/ Gauge 521616A 1" Press MIXCAL 3-Way Adjustable Thermostatic and Pressure Balanced Mixing Valve w/ Gauge
    SKU: 521616A Caleffi
    SKU: 521616A
    Brand: Caleffi
    (1)
    $163.94 each
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    16 Tue, Nov 2
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  • 1/2" Press MIXCAL 3-Way Thermostatic Mixing Valve w/ Gauge Product Image
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    1/2" Press MIXCAL 3-Way Thermostatic Mixing Valve w/ Gauge 521416A 1/2" Press MIXCAL 3-Way Thermostatic Mixing Valve w/ Gauge
    SKU: 521416A Caleffi
    SKU: 521416A
    Brand: Caleffi
    $124.91 each
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    56
    Tue, Nov 2
    56
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    56 Tue, Nov 2
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  • 1/2" Brass Anti-Sweat Valve w/ Nuts Product Image
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    1/2" Brass Anti-Sweat Valve w/ Nuts ASV050 1/2" Brass Anti-Sweat Valve w/ Nuts
    SKU: ASV050 Bluefin
    SKU: ASV050
    Brand: Bluefin
    (1)
    $15.49 each
      Box Up & Save 5%  
    $147.90 box of 10
    $14.79 each
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    75
    Tue, Nov 2
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    75 Tue, Nov 2
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FAQs, Manuals & Videos

Resources

Articles

  • 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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