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zone valves

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Taco 5101-G2 3/4" NPT Geothermal Zone Valve 2-Way

$ 175.16

Geothermal Valves Designed for high head, open system zone control. The unique end switch design permits control of the heat pump by the valve. This allows movement of cold water...
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Caleffi Z200043 Brass Model Z2 2-Way Zone Valve Body Inverted Flare 3.5 Cv 30psi

$ 26.90

Two-way on/off two position valve. Straight through flow pattern. Brass body. Stainless steel stem. EPDM rubber seals and paddle. Max. working pressure: 300 psi. Max temperature: 240°F. *Reduction of Lead...
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Caleffi 676256A Brass Model 6762 Thermo-Electric Zone Valve 3/4" press With Twistop Endswitch Actuator

$ 104.71

Two-way thermo-electric zone valve. Complete with TwisTop™ (code 656314)actuator. Spring return. Normally closed. Brass valve body and trim. Max. body pressure: 150 psi. Max. Temperature: 200°F. Max: _P close-off pressure:...
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Caleffi Z40F Brass Model Z4 2-Way, Normally Closed End Switch, 24V, Inverted Flare,3.5 CV + 2 fittings

$ 99.81

Two-way zone valve. Spring return. Normally closed actuator: Z111000. Auxiliary micro-switch. Max. body pressure: 300 psi. Temperature range: 32°-240°F. Suitable fluids: water, 50% max. glycol, 15 psi max steam. Power...
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Caleffi Z300737 Brass Model Z3 3-Way Zone Valve Body 1-1/4" Sweat, 7.5 Cv 20psi

$ 76.11

Three-way on/off two position valve. Diverting flow pattern. Brass body. Stainless steel stem. EPDM rubber seals and paddle. Max. working pressure: 300 psi. Max temperature: 240°F. *Reduction of Lead in...
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Caleffi Z300535 Brass Model Z3 3-Way Zone Valve Body 3/4" Sweat, 5 Cv 25 psi

$ 41.56

Three-way on/off two position valve. Diverting flow pattern. Brass body. Stainless steel stem. EPDM rubber seals and paddle. Max. working pressure: 300 psi. Max temperature: 240°F. *Reduction of Lead in...
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Caleffi Z300517 Brass Model Z3 3-Way Zone Valve Body 3/4" NPT 7.5 Cv 20 psi

$ 44.81

Three-way on/off two position valve. Diverting flow pattern. Brass body. Stainless steel stem. EPDM rubber seals and paddle. Max. working pressure: 300 psi. Max temperature: 240°F. *Reduction of Lead in...
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Caleffi Z300512 Brass Model Z3 3-Way Zone Valve Body 3/4" NPT 2.5 Cv 50 psi

$ 44.81

Three-way on/off two position valve. Diverting flow pattern. Brass body. Stainless steel stem. EPDM rubber seals and paddle. Max. working pressure: 300 psi. Max temperature: 240°F. *Reduction of Lead in...
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Caleffi Z207533 Brass Model Z2 2-Way Zone Valve Body 3/4" SWT 3.5 Cv 30 psi No Lead

$ 42.44

Two-way on/off two position valve. Straight through flow pattern. Brass body. Stainless steel stem. EPDM rubber seals and paddle. Max. working pressure: 300 psi. Max temperature: 240°F. *Reduction of Lead...
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Caleffi 676059A Brass Model 6760 2-way Zone Valve 3/4" SWT No Actuator

$ 30.54

Two-way zone valve body. For field installation of thermo-electric actuators 656114, 656314 or 656414. Brass body and trim. Max. body pressure: 150 psi. Max. temperature: 200°F. Click to View Spec...
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Caleffi 644369A 3BY Brass Model 6443 1" SWT,3-way ByPass, 24V, 12 Cv Motorized Ball Zone Valve High-Flow High Close-Off

$ 205.69

Three-way motorized ball zone valve. By-pass. Max. _P close-off pressure: 150 psi. Temperature range: 20°-230°F. Power supply: 24 VAC. Power consumption: 4 VA. Rating of micro-switch contacts: 5 A (24...
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Caleffi 644269A Brass Model 6442 2-Way, 1" SWT, 24V, 13 Cv Motorized Ball Zone Valve High-Flow High Close-Off

$ 191.21

Two-way motorized ball zone valve. Straight Max. _P close-off pressure: 150 psi. Temperature range: 20°-230°F. Power supply: 24 VAC. Power consumption: 4 VA. Rating of micro-switch contacts: 5 A (24...
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Caleffi 644256A Brass Model 6442 2-Way, 3/4" press, 24 V, 13 Cv Motorized Ball Zone Valve High-Flow High Close-Off

$ 196.32

Two-way motorized ball zone valve. Straight Max. _P close-off pressure: 150 psi. Temperature range: 20°-230°F. Power supply: 24 VAC. Power consumption: 4 VA. Rating of micro-switch contacts: 5 A (24...
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Caleffi 644250A Brass Model 6442 2-Way, 3/4" NPT, 24V, 13 Cv Motorized Ball Zone Valve High-Flow High Close-Off

$ 182.51

Two-way motorized ball zone valve. Straight Max. _P close-off pressure: 150 psi. Temperature range: 20°-230°F. Power supply: 24 VAC. Power consumption: 4 VA. Rating of micro-switch contacts: 5 A (24...
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Bell & Gossett 109518 Snap Zone Valve SZV-000-4WE 4 Wire Actuator w/ES

$ 68.90

Snap Zone valves are precision engineered four wire thermoelectrically operated valves designed for heating and cooling systems. The valve opens and closes based upon the voltages applied to the actuator....
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Bell & Gossett 109517 Snap Zone Valve SZV-100N-000 1” NPT Body

$ 64.94

Snap Zone valves are precision engineered four wire thermoelectrically operated valves designed for heating and cooling systems. The valve opens and closes based upon the voltages applied to the actuator....
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Bell & Gossett 109516 Snap Zone Valve SZV-075N-000 3/4" NPT Body

$ 60.98

Snap Zone valves are precision engineered four wire thermoelectrically operated valves designed for heating and cooling systems. The valve opens and closes based upon the voltages applied to the actuator....
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Bell & Gossett 109515 Snap Zone Valve SZV-050N-000 1/2" NPT Body

$ 57.02

Snap Zone valves are precision engineered four wire thermoelectrically operated valves designed for heating and cooling systems. The valve opens and closes based upon the voltages applied to the actuator....
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Bell & Gossett 109514 Snap Zone Valve SZV-100S-000 1” Sweat Body

$ 64.94

Snap Zone valves are precision engineered four wire thermoelectrically operated valves designed for heating and cooling systems. The valve opens and closes based upon the voltages applied to the actuator....
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Bell & Gossett 109513 Snap Zone Valve SZV-075S-000 3/4" Sweat Body

$ 60.98

Snap Zone valves are precision engineered four wire thermoelectrically operated valves designed for heating and cooling systems. The valve opens and closes based upon the voltages applied to the actuator....
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Bell & Gossett 109512 Snap Zone Valve SZV-050S-000 1/2" Sweat Body

$ 57.02

Snap Zone valves are precision engineered four wire thermoelectrically operated valves designed for heating and cooling systems. The valve opens and closes based upon the voltages applied to the actuator....
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Bell & Gossett 109508 Snap Zone Valve SZV-100N-4WE 1” NPT Zone Valve, 4 Wire

$ 126.72

Snap Zone valves are precision engineered four wire thermoelectrically operated valves designed for heating and cooling systems. The valve opens and closes based upon the voltages applied to the actuator....
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Bell & Gossett 109507 Snap Zone Valve SZV-075N-4WE 3/4" NPT Zone Valve, 4 Wire

$ 122.76

Snap Zone valves are precision engineered four wire thermoelectrically operated valves designed for heating and cooling systems. The valve opens and closes based upon the voltages applied to the actuator....
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Bell & Gossett 109506 Snap Zone Valve SZV-050N-4WE 1/2" NPT Zone Valve, 4 Wire

$ 116.42

Snap Zone valves are precision engineered four wire thermoelectrically operated valves designed for heating and cooling systems. The valve opens and closes based upon the voltages applied to the actuator....
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Bell & Gossett 109502 Snap Zone Valve SZV-100S-4WE 1” SWT Zone Valve, 4 Wire

$ 126.72

Snap Zone valves are precision engineered four wire thermoelectrically operated valves designed for heating and cooling systems. The valve opens and closes based upon the voltages applied to the actuator....
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Bell & Gossett 109501 Snap Zone Valve SZV-075S-4WE 3/4" SWT Zone Valve, 4 Wire

$ 122.76

Snap Zone valves are precision engineered four wire thermoelectrically operated valves designed for heating and cooling systems. The valve opens and closes based upon the voltages applied to the actuator....
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Bell & Gossett 109500 Snap Zone Valve SZV-050S-4WE 1/2" SWT Zone Valve, 4 Wire

$ 116.42

Snap Zone valves are precision engineered four wire thermoelectrically operated valves designed for heating and cooling systems. The valve opens and closes based upon the voltages applied to the actuator....
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Caleffi ZVR106 Z-one Relay Six Zone Valve Control

$ 185.85

The ZVR series is a multi-zone valve relay and boiler operating control for multiple zone hydronic heating systems. The ZVR series interfaces with low voltage thermostats, or any other low...
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Caleffi ZVR104 Z-one Relay Four Zone Valve Control

$ 143.61

The ZVR series is a multi-zone valve relay and boiler operating control for multiple zone hydronic heating systems. The ZVR series interfaces with low voltage thermostats, or any other low...
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Caleffi ZVR103 Z-one Relay Three Zone Valve Control

$ 120.38

The ZVR series is a multi-zone valve relay and boiler operating control for multiple zone hydronic heating systems. The ZVR series interfaces with low voltage thermostats, or any other low...
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Caleffi ZSR106 Z-one Relay Six Zone Pump Control

$ 228.08

The ZSR series is multi-zone pump and boiler operating control for multiple zone hydronic heating systems. The ZSR series interfaces with low voltage thermostats, or any other low voltage controllers...
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Caleffi ZSR104 Z-one Relay Four Zone Pump Control

$ 185.85

The ZSR series is multi-zone pump and boiler operating control for multiple zone hydronic heating systems. The ZSR series interfaces with low voltage thermostats, or any other low voltage controllers...
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Caleffi ZSR103 Z-one Relay Three Zone Pump Control

$ 158.39

The ZSR series is multi-zone pump and boiler operating control for multiple zone hydronic heating systems. The ZSR series interfaces with low voltage thermostats, or any other low voltage controllers...
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Caleffi ZSR101 Z-one Single Zone Switching Relay

$ 67.58

The ZSR101 single zone switching relay is operated by low voltage thermostats. The ZSR101 single zone switching relay incorporates Power In, Relay 1 and Relay 2 connection terminals. Power Supply:...
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Caleffi Z57 Brass Model Z5 2-Way, Normally Closed End Switch, 24V, 1-1/4"SWT 7.5 Cv 20psi With Terminal Block

$ 137.70

Two-way zone valve. Spring return. Normally closed actuator: Z151000. Auxiliary micro-switch. Max. body pressure: 300 psi. Temperature range: 32°-240°F. Suitable fluids: water, 50% max. glycol, 15 psi max steam. Power...
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Caleffi Z56 Brass Model Z5 2-Way, Normally Closed End Switch, 24V, 1" SWT 7.5 Cv 20psi With Terminal Block

$ 118.73

Two-way zone valve. Spring return. Normally closed actuator: Z151000. Auxiliary micro-switch. Max. body pressure: 300 psi. Temperature range: 32°-240°F. Suitable fluids: water, 50% max. glycol, 15 psi max steam. Power...
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Caleffi Z55P Brass Model Z5 2-Way, Normally Closed End Switch, 24V, 3/4" Press 7.5 Cv 20psi With Terminal Block

$ 122.91

Two-way zone valve. Spring return. Normally closed actuator. Auxiliary micro-switch. Max. body pressure: 300 psi. Overall length: 5-5/8" Lay length: 3-3/4" Temperature range: 32°-240°F. Suitable fluids: water, 50% max. glycol,...
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Caleffi Z55 Brass Model Z5 2-Way, Normally Closed End Switch, 24V, 3/4" SWT 7.5 Cv 20psi With Terminal Block

$ 96.30

Two-way zone valve. Spring return. Normally closed actuator: Z151000. Auxiliary micro-switch. Max. body pressure: 300 psi. Temperature range: 32°-240°F. Suitable fluids: water, 50% max. glycol, 15 psi max steam. Power...
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Caleffi Z54 Brass Model Z5 2-Way, Normally Closed End Switch, 24V, 1/2" SWT 2.5 Cv 50psi With Terminal Block

$ 88.49

Two-way zone valve. Spring return. Normally closed actuator: Z151000. Auxiliary micro-switch. Max. body pressure: 300 psi. Temperature range: 32°-240°F. Suitable fluids: water, 50% max. glycol, 15 psi max steam. Power...
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Caleffi Z50F Brass Model Z5 2-Way, Normally Closed End Switch, 24V, 3/4" Inverted Flare, 3.5 Cv 30psi With Terminal Block

$ 102.13

Two-way zone valve. Spring return. Normally closed actuator: Z151000. Auxiliary micro-switch. Max. body pressure: 300 psi. Temperature range: 32°-240°F. Suitable fluids: water, 50% max. glycol, 15 psi max steam. Power...
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Caleffi Z50 Brass Model Z5 2-Way, Normally Closed End Switch, 24V, Inverted Flare, 3.5 Cv 30psi With Terminal Block

$ 95.38

Two-way zone valve. Spring return. Normally closed actuator: Z151000. Auxiliary micro-switch. Max. body pressure: 300 psi. Temperature range: 32°-240°F. Suitable fluids: water, 50% max. glycol, 15 psi max steam. Power...
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Caleffi Z47 Brass Model Z4 2-Way, Normally Closed,End Switch, 24V, 1-1/4" SWT, 7.5 Cv 20psi

$ 135.37

Two-way zone valve. Spring return. Normally closed actuator: Z111000. Auxiliary micro-switch. Max. body pressure: 300 psi. Temperature range: 32°-240°F. Suitable fluids: water, 50% max. glycol, 15 psi max steam. Power...
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Caleffi Z46 Brass Model Z4 2-Way, Normally Closed End Switch, 24V, 1" Sweat, 7.5Cv 20psi

$ 116.41

Two-way zone valve. Spring return. Normally closed actuator: Z111000. Auxiliary micro-switch. Max. body pressure: 300 psi. Temperature range: 32°-240°F. Suitable fluids: water, 50% max. glycol, 15 psi max steam. Power...
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Caleffi Z45P Brass Model Z4 2-Way, Normally Closed End Switch, 24V, 3/4" Press, 7.5 Cv 20psi

$ 120.59

Two-way zone valve. Spring return. Normally closed actuator. Auxiliary micro-switch. Max. body pressure: 300 psi. Overall length: 5-5/8" Lay length: 3-3/4" Temperature range: 32°-240°F. Suitable fluids: water, 50% max. glycol,...
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Caleffi Z45 Brass Model Z4 2-Way, Normally Closed End Switch, 24V, 3/4" Sweat,7.5Cv 20psi

$ 93.98

Two-way zone valve. Spring return. Normally closed actuator: Z111000. Auxiliary micro-switch. Max. body pressure: 300 psi. Temperature range: 32°-240°F. Suitable fluids: water, 50% max. glycol, 15 psi max steam. Power...
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Caleffi Z44 Brass Model Z4 2-Way, Normally Closed End Switch, 24V, 1/2' Sweat 2.5 Cv 50psi

$ 86.16

Two-way zone valve. Spring return. Normally closed actuator: Z111000. Auxiliary micro-switch. Max. body pressure: 300 psi. Temperature range: 32°-240°F. Suitable fluids: water, 50% max. glycol, 15 psi max steam. Power...
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Caleffi Z42 Brass Model Z4 2-Way, Normally Closed End Switch, 24V, SAE Flare 3.5 Cv 30psi

$ 96.14

Two-way zone valve. Spring return. Normally closed actuator: Z111000. Auxiliary micro-switch. Max. body pressure: 300 psi. Temperature range: 32°-240°F. Suitable fluids: water, 50% max. glycol, 15 psi max steam. Power...
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Caleffi Z40 Brass Model Z4 2-Way, Normally Closed End Switch,24V,Inverted Flare,3.5 CV+NA61241 fitting

$ 93.05

Two-way zone valve. Spring return. Normally closed actuator: Z111000. Auxiliary micro-switch. Max. body pressure: 300 psi. Temperature range: 32°-240°F. Suitable fluids: water, 50% max. glycol, 15 psi max steam. Power...

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