
Caleffi
Caleffi 523180A MixCal+ High-Flow 3-Way Thermostatic Mixing Valve, 1-1/2" Male NPT, 13 Cv, ASSE 1017, Lead Free
Sale price$2,057.99
Special order · ships in 3–4 weeks
Caleffi
Caleffi 520510A AngleMix 3-Way Thermostatic Mixing Valve 3/4" NPT Male Union with Temperature Gauge, Cv 2
Sale price$260.99
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Caleffi
Caleffi 521416A MixCal 3-Way Thermostatic Mixing Valve 1/2" Press with Temperature Gauge, ASSE 1017, 3 Cv
Sale price$255.99
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Caleffi
Caleffi Z44P Z-One 2-Way Zone Valve 1/2" Press, 24V Normally Closed with Auxiliary Switch, 2.5 Cv
Sale price$235.99
Special order · ships in 3–4 weeks
Caleffi
Caleffi 521609A MixCal 3-Way Thermostatic Mixing Valve 1" Sweat, ASSE 1017, 3 Cv
Sale price$252.99
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Caleffi
Caleffi 551054AC DISCAL Air Separator 2" Sweat with Expansion Tank Check Valve, 150 psi
Sale price$425.99
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Caleffi
Caleffi Z126000 Z-One 120V Normally Closed Zone Valve Actuator without Auxiliary Switch, 6" Leads
Sale price$112.99
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Caleffi
Caleffi 535381HA PressCal Pressure Reducing Valve, 1-1/2" Female NPT with Pressure Gauge, ASSE 1003, Low Lead
Sale price$552.99
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Caleffi
Caleffi 548099A Hydro Separator (Hydraulic Separator) 2" Sweat Union Connections, 150 PSI
Sale price$935.99
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Caleffi
Caleffi Z45 Z-One 2-Way Zone Valve 3/4" Sweat, 24V Normally Closed with Auxiliary Switch, 7.5 Cv
Sale price$184.99
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Caleffi
Caleffi 6686E5S1A TwistFlow Radiant Manifold Assembly 5 Loops, 1" Brass with Temperature Gauges
Sale price$855.99
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Caleffi
Caleffi 546335AM DIRTMAG PRO Magnetic Dirt Separator 1-1/4" Sweat Connections, Brass, 150 PSI
Sale price$335.99
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Caleffi
Caleffi 520510AC AngleMix 3-Way Thermostatic Mixing Valve 3/4" NPT Male Union with Inlet Check Valves
Sale price$289.99
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Caleffi
Caleffi 548068A Hydro Separator (Hydraulic Separator) 1-1/2" Press Union Connections, 150 PSI
Sale price$946.99
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Caleffi
Caleffi 574006A 574 Series Reduced Pressure Zone (RPZ) Backflow Preventer, 1" NPT Threaded, ASSE 1013, Low Lead
Sale price$459.99
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Caleffi
Caleffi Z151000 Z-One 24V Normally Closed Zone Valve Actuator with Auxiliary Switch, Terminal Block
Sale price$125.99
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Caleffi
Caleffi 535681HA PressCal Pressure Reducing Valve, 1-1/2" Press with Pressure Gauge, ASSE 1003, Low Lead
Sale price$780.99
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Caleffi
Caleffi 549509A SEP4 4-in-1 Hydraulic Separator with Air, Dirt and Magnet Separation 2" NPT Union
Sale price$1,425.99
Special order · ships in 3–4 weeks
Caleffi
Caleffi 521616AC MixCal 3-Way Thermostatic Mixing Valve 1" Press with Inlet Check Valves & Temperature Gauge, ASSE 1017
Sale price$330.99
Special order · ships in 3–4 weeks
Caleffi
Caleffi ZSR106 Z-One 6-Zone Expandable Switching Relay for Circulator Pumps with Priority, 120VAC
Sale price$345.99
Special order · ships in 3–4 weeks
Caleffi
Caleffi 59829 DISCAL Replacement Automatic Air Vent for Brass Body Air Separators 3/4" to 2"
Sale price$129.99
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Caleffi
Caleffi 521509A MixCal 3-Way Thermostatic Mixing Valve 3/4" Sweat, ASSE 1017, 3 Cv
Sale price$211.99
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Caleffi
Caleffi Z54 Z-One 2-Way Zone Valve, Normally Closed, Terminal Block with End Switch, 1/2" Sweat, 2.5 Cv, 24V
Sale price$175.99
Special order · ships in 3–4 weeks
Caleffi
Caleffi 546096A DISCALDIRT Air & Dirt Separator 1" Sweat Connections, Brass, 150 PSI
Sale price$368.99
Special order · ships in 3–4 weeks
Caleffi
Caleffi Z136000 Z-One 120V Normally Open Zone Valve Actuator with Auxiliary Switch, 6" Leads
Sale price$133.99
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Caleffi
Caleffi 546108A DISCAL DIRTMAG Air & Dirt Separator with Magnet 1-1/2" FNPT Union
Sale price$1,442.99
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Caleffi
Caleffi Z57 Z-One 2-Way Zone Valve, Normally Closed, Terminal Block with End Switch, 1-1/4" Sweat, 7.5 Cv, 24V
Sale price$275.99
Special order · ships in 3–4 weeks
Caleffi
Caleffi 301341 Angled One-Pipe Thermostatic Radiator Valve System 1/2" Male x 3/4"
Sale price$98.99
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Caleffi
Caleffi 520519AC AngleMix 3-Way Thermostatic Mixing Valve 3/4" Sweat Union with Inlet Check Valves, Cv 2
Sale price$280.99
Special order · ships in 3–4 weeks
Caleffi
Caleffi 535341HA PressCal Pressure Reducing Valve, 1/2" Female NPT with Pressure Gauge, ASSE 1003, Low Lead
Sale price$138.99
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Caleffi
Caleffi 573019A 573 COMBO AutoFill Backflow Preventer & Fill Valve 1/2" Sweat Inlet x NPT Outlet with Pressure Gauge, ASSE 1012
Sale price$225.99
Special order · ships in 3–4 weeks
Caleffi
Caleffi 548098A Hydro Separator (Hydraulic Separator) 1-1/2" Sweat Union Connections, 150 PSI
Sale price$800.99
Special order · ships in 3–4 weeks
Caleffi
Caleffi 551005A DISCAL Air Separator 3/4" FNPT for Hydronic Systems, 150 psi
Sale price$175.99
Special order · ships in 3–4 weeks
Caleffi
Caleffi Z111900 Z-One 24V Normally Closed Zone Valve Actuator with High-Current Auxiliary Switch, 18" Leads
Sale price$120.99
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Caleffi
Caleffi 132992A QuickSetter Balancing Valve with Flow Meter, 2" NPT, 12-50 GPM
Sale price$575.99
Special order · ships in 3–4 weeks
Caleffi
Caleffi 656404 Thermo-Electric Actuator 24V for Radiant Manifolds and Zone Valves, 3W
Sale price$93.99
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Caleffi
Caleffi 549569A SEP4 4-in-1 Hydraulic Separator with Air, Dirt and Magnet Separation 2" Press Union
Sale price$1,600.99
Special order · ships in 3–4 weeks
Caleffi
Caleffi 521610A MixCal 3-Way Thermostatic Mixing Valve 1" Male NPT with Temperature Gauge, ASSE 1017, 3 Cv
Sale price$303.99
Special order · ships in 3–4 weeks
Caleffi
Caleffi 549597A SEP4 4-in-1 Hydraulic Separator with Air, Dirt and Magnet Separation 1-1/4" Sweat Union
Sale price$928.99
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Caleffi
Caleffi 132772A QuickSetter Balancing Valve with Flow Meter, 1-1/4" NPT, 5-19 GPM
Sale price$396.99
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Caleffi
Caleffi 551022AC DISCAL Compact Air Separator 3/4" Sweat with Expansion Tank Check Valve, 150 psi
Sale price$120.99
Special order · ships in 3–4 weeks
Caleffi
Caleffi 132662A QuickSetter Balancing Valve with Flow Meter, 1" NPT, 3-10 GPM
Sale price$298.99
Special order · ships in 3–4 weeks
Caleffi
Caleffi 521516AC MixCal 3-Way Thermostatic Mixing Valve 3/4" Press with Inlet Check Valves & Temperature Gauge, ASSE 1017, 3 Cv
Sale price$311.99
Special order · ships in 3–4 weeks
Caleffi
Caleffi 549568A SEP4 4-in-1 Hydraulic Separator with Air, Dirt and Magnet Separation 1-1/2" Press Union
Sale price$1,370.99
Special order · ships in 3–4 weeks
Caleffi
Caleffi 573503A 573 Series Dual Check Backflow Preventer with Atmospheric Vent 3/4" NPT, ASSE 1012
Sale price$104.99
Special order · ships in 3–4 weeks
Caleffi
Caleffi Z44 Z-One 2-Way Zone Valve 1/2" Sweat, 24V Normally Closed with Auxiliary Switch, 2.5 Cv
Sale price$171.99
Special order · ships in 3–4 weeks
Caleffi
Caleffi 680555A 5/8" PEX Fitting for Manifolds, Threaded, for Caleffi 663 and 668S1 Series Manifolds
Sale price$11.99
Special order · ships in 3–4 weeks
Caleffi
Caleffi 6686C5S1A TwistFlow Radiant Manifold Assembly 3 Loops, 1" Brass with Temperature Gauges
Sale price$664.99
Special order · ships in 3–4 weeks
Caleffi
Caleffi 523186A MixCal+ High-Flow 3-Way Thermostatic Mixing Valve, 1-1/2" Press, 13 Cv, ASSE 1017
Sale price$2,185.99
Special order · ships in 3–4 weeks
Caleffi
Caleffi 551035A DISCAL Air Separator 1-1/4" Sweat for Hydronic Systems, 150 psi
Sale price$291.99
Special order · ships in 3–4 weeks
Caleffi
Caleffi 551795A DISCAL Rotating Collar Air Separator 3/4" Sweat Union Connections, 150 PSI, 250°F
Sale price$275.99
Special order · ships in 3–4 weeks
Caleffi
Caleffi 549596A SEP4 4-in-1 Hydraulic Separator with Air, Dirt and Magnet Separation 1" Sweat Union
Sale price$761.99
Special order · ships in 3–4 weeks
Caleffi
Caleffi 520616AC AngleMix 3-Way Thermostatic Mixing Valve 1" Press Union with Inlet Check Valves & Temperature Gauge, Cv 3.5
Sale price$438.99
Special order · ships in 3–4 weeks
Caleffi
Caleffi NA502740A Robocal Automatic Air Vent, 1/2" Connection, with Check Valve and Hygroscopic Cap
Sale price$28.99
Special order · ships in 3–4 weeks
Caleffi
Caleffi 546368AM DIRTMAG PRO Magnetic Dirt Separator 1-1/2" Press Connections, Brass, 150 PSI
Sale price$521.99
Special order · ships in 3–4 weeks
Caleffi
Caleffi 535370HA PressCal Pressure Reducing Valve, 1-1/4" Female NPT, ASSE 1003, Low Lead
Sale price$377.99
Special order · ships in 3–4 weeks
Caleffi
Caleffi 546168A DISCAL DIRTMAG Air & Dirt Separator with Magnet 1-1/2" Press Union
Sale price$1,598.99
Special order · ships in 3–4 weeks
Caleffi
Caleffi 546169A DISCAL DIRTMAG Air & Dirt Separator with Magnet 2" Press Union
Sale price$1,783.99
Special order · ships in 3–4 weeks
Caleffi
Caleffi 521516A MixCal 3-Way Thermostatic Mixing Valve 3/4" Press with Temperature Gauge, ASSE 1017, 3 Cv
Sale price$260.99
Special order · ships in 3–4 weeks
Caleffi
Caleffi NA545366 DIRTMAG Composite Magnetic Dirt Separator 3/4" NPT Union for Hydronic Systems
Sale price$282.99
Special order · ships in 3–4 weeks
Caleffi
Caleffi 551006A DISCAL Air Separator 1" FNPT for Hydronic Systems, 150 psi
Sale price$190.99
Special order · ships in 3–4 weeks
Caleffi
Caleffi 520510AX TankMixer 3-Way Water Heater Mixing Valve Kit 3/4" FNPT x 3/4" MNPT with Gauge, ASSE 1017
Sale price$334.99
Special order · ships in 3–4 weeks
Caleffi
Caleffi 551035AC DISCAL Air Separator 1-1/4" Sweat with Expansion Tank Check Valve, 150 psi
Sale price$269.99
Special order · ships in 3–4 weeks
Caleffi
Caleffi 132639AFC QuickSetter+ Balancing Valve with Flow Meter, 1" Union Sweat, 0.5-1.75 GPM, 1 Cv, Low Lead
Sale price$344.99
Special order · ships in 3–4 weeks
Caleffi
Caleffi 519600A Differential Pressure Bypass Valve 1" Male NPT, Adjustable 2-10 PSI
Sale price$236.99
Special order · ships in 3–4 weeks
Caleffi
Caleffi 519709A Differential Pressure Bypass Valve 1-1/4" NPT x 1-1/4" Sweat, Adjustable 2-10 PSI
Sale price$285.99
Special order · ships in 3–4 weeks
Caleffi
Caleffi ZSR103 Z-One 3-Zone Expandable Switching Relay for Circulator Pumps with Priority, 120VAC
Sale price$240.99
Special order · ships in 3–4 weeks
Caleffi
Caleffi 519599A Differential Pressure Bypass Valve 3/4" Sweat Union, Adjustable 2-10 PSI
Sale price$150.99
Special order · ships in 3–4 weeks
Caleffi
Caleffi 502710A Robocal Automatic Air Vent, 1/8" Male Thread, with Check Valve, 150 PSI, 240F
Sale price$21.99
Special order · ships in 3–4 weeks
Caleffi
Caleffi 523168A MixCal+ High-Flow 3-Way Thermostatic Mixing Valve, 1" Sweat, 7 Cv, ASSE 1017, Lead Free
Sale price$1,278.99
Special order · ships in 3–4 weeks
Caleffi
Caleffi 551009A DISCAL Air Separator 2" FNPT for Hydronic Systems, 150 psi
Sale price$439.99
Special order · ships in 3–4 weeks
Caleffi
Caleffi 221400A Straight Thermostatic Radiator Valve Body 1/2" NPT, 1.7 Cv
Sale price$66.99
Special order · ships in 3–4 weeks
Caleffi
Caleffi 523177A MixCal+ High-Flow 3-Way Thermostatic Mixing Valve, 1-1/4" Sweat with Gauge, 7.6 Cv, ASSE 1017, Lead Free
Sale price$1,435.99
Special order · ships in 3–4 weeks
Caleffi
Caleffi 551054A DISCAL Air Separator 2" Sweat for Hydronic Systems, 150 psi
Sale price$419.99
Special order · ships in 3–4 weeks
Caleffi
Caleffi 521606A MixCal 3-Way Thermostatic Mixing Valve 1" Press, ASSE 1017, 3 Cv
Sale price$268.99
Special order · ships in 3–4 weeks
Caleffi
Caleffi 200000 Thermostatic Control Head with Built-in Sensor for Radiator Valves, 45-82°F
Sale price$67.99
Special order · ships in 3–4 weeks
Caleffi
Caleffi 521342A TubMixer Anti-Scald 3-Way Thermostatic Mixing Valve 1/2" NPT, ASSE 1070
Sale price$138.99
Special order · ships in 3–4 weeks
Caleffi
Caleffi 132432A QuickSetter Balancing Valve with Flow Meter, 1/2" NPT, 0.5-1.75 GPM
Sale price$236.99
Special order · ships in 3–4 weeks
Caleffi
Caleffi 551007A DISCAL Air Separator 1-1/4" FNPT for Hydronic Systems, 150 psi
Sale price$277.99
Special order · ships in 3–4 weeks
Caleffi
Caleffi 548009A Hydro Separator (Hydraulic Separator) 2" NPT Union Connections, 150 PSI
Sale price$980.99
Special order · ships in 3–4 weeks
Caleffi
Caleffi 680504A 1/2" PEX Fitting for Manifolds, Threaded, for Caleffi 663 and 668S1 Series Manifolds
Sale price$11.99
Special order · ships in 3–4 weeks
Caleffi
Caleffi 132882A QuickSetter Balancing Valve with Flow Meter, 1-1/2" NPT, 8-32 GPM
Sale price$469.99
Special order · ships in 3–4 weeks
Caleffi
Caleffi 546166A DISCAL DIRTMAG Air & Dirt Separator with Magnet 1" Press
Sale price$499.99
Special order · ships in 3–4 weeks
Caleffi
Caleffi 132996A QuickSetter Balancing Valve with Flow Meter, 2" Press, 12-50 GPM
Sale price$648.99
Special order · ships in 3–4 weeks
Caleffi
Caleffi Z46 Z-One 2-Way Zone Valve, Normally Closed with End Switch, 1" Sweat, 7.5 Cv, 24V
Sale price$231.99
Special order · ships in 3–4 weeks
Caleffi
Caleffi 6686G5S1A TwistFlow Radiant Manifold Assembly 7 Loops, 1" Brass with Temperature Gauges
Sale price$1,048.99
Special order · ships in 3–4 weeks
Caleffi
Caleffi Z111000 Z-One 24V Normally Closed Zone Valve Actuator with Auxiliary Switch, 18" Leads
Sale price$120.99
Special order · ships in 3–4 weeks
Caleffi
Caleffi 574151A 574 COMBO AutoFill RPZ Backflow Preventer & Fill Valve 3/4" NPT with Pressure Gauge, ASSE 1013, Low Lead
Sale price$587.99
Special order · ships in 3–4 weeks
Caleffi
Caleffi 520619AC AngleMix 3-Way Thermostatic Mixing Valve 1" Sweat Union with Inlet Check Valves & Temperature Gauge, Cv 3.5
Sale price$387.99
Special order · ships in 3–4 weeks
Caleffi
Caleffi 520516AX TankMixer 3-Way Water Heater Mixing Valve Kit 3/4" FNPT x 3/4" Press with Gauge, ASSE 1017
Sale price$375.99
Special order · ships in 3–4 weeks
Caleffi
Caleffi 521352A TubMixer Anti-Scald 3-Way Thermostatic Mixing Valve 3/4" NPT, ASSE 1070
Sale price$145.99
Special order · ships in 3–4 weeks
Caleffi
Caleffi 535951HA PressCal Pressure Reducing Valve, 3/4" Union Sweat with Pressure Gauge, ASSE 1003, Low Lead
Sale price$138.99
Special order · ships in 3–4 weeks
Caleffi
Caleffi 546354AM DIRTMAG PRO Magnetic Dirt Separator 2" Sweat Connections, Brass, 150 PSI
Sale price$532.99
Special order · ships in 3–4 weeks
Caleffi
Caleffi 680505A 3/4" PEX Fitting for Manifolds, Threaded, for Caleffi 663 and 668S1 Series Manifolds
Sale price$11.99
Special order · ships in 3–4 weeks
Caleffi
Caleffi ZSR104 Z-One 4-Zone Expandable Switching Relay for Circulator Pumps with Priority, 120VAC
Sale price$281.99
Special order · ships in 3–4 weeks
Caleffi
Caleffi 521201AP SinkMixer Anti-Scald Thermostatic Mixing Valve 3/8" Compression with Fitting Package ASSE 1070 Lead Free
Sale price$121.99
Special order · ships in 3–4 weeks