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Search results for 'legacy series'

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  1. Caleffi Series 519 Differential Pressure Bypass Valve with 1" NPT Female Inlet and 1" Sweat Outlet.

    Caleffi Series 519 Differential Pressure Bypass Valve with 1" NPT Female Inlet and 1" Sweat Outlet.

    Caleffi Differential Pressure Bypass Valve
    Caleffi Series 519 Differential Pressure Bypass Valve with 1" NPT Female Inlet and 1" Sweat Outlet.
    $97.88

  2. Caleffi Series 519 Differential Pressure Bypass Valve with 3/4" Male Inlet and 3/4" NPTM Outlet.

    Caleffi Series 519 Differential Pressure Bypass Valve with 3/4" Male Inlet and 3/4" NPTM Outlet.

    Caleffi Differential Pressure Bypass Valve
    Caleffi Series 519 Differential Pressure Bypass Valve with 3/4" Male Inlet and 3/4" NPTM Outlet.
    $66.22

  3. Caleffi Z-One 120V Normally Closed Valve Actuators

    Caleffi Z-One 120V Normally Closed Valve Actuators

    Caleffi Z-One 120V Normally Closed Valve Actuators
    Z-one valves are used to automatically shut-off the flow or redirect hot and chilled water in hydronic heating and air conditioning systems. The motorized two position, on/off/, spring return A1 series actuator has an end mounted push button for quick installation to valve body. The actuator is equipped with or without auxiliary switch and configured Normally closed or Normally Opened with wire or terminal connections.
    $48.57

  4. Caleffi Z-One 24V Normally Closed Valve Actuators

    Caleffi Z-One 24V Normally Closed Valve Actuators

    Caleffi Z-One 24V Normally Closed Valve Actuators
    Z-one valves are used to automatically shut-off the flow or redirect hot and chilled water in hydronic heating and air conditioning systems. The motorized two position, on/off/, spring return A1 series actuator has an end mounted push button for quick installation to valve body. The actuator is equipped with or without auxiliary switch and configured Normally closed or Normally Opened with wire or terminal connections.
    $48.57

  5. Caleffi Z-One Quick Order Valve and Actuator Sets

    Caleffi Z-One Quick Order Valve and Actuator Sets

    Caleffi Z-One Quick Order Valve and Actuator
    Z-one valves are used to automatically shut-off the flow or redirect hot and chilled water in hydronic heating and air conditioning systems. The motorized two position, on/off/, spring return A1 series actuator has an end mounted push button for quick installation to valve body. The actuator is equipped with or without auxiliary switch and configured Normally closed or Normally Opened with wire or terminal connections. The zero leakage high temperature zone valve body Z2 series is 2-way straight through and the valve body Z3 series is 3-way diverting. The Z1 series actuator is easily attached by a push button lock and without tools. The high temperature and high close-off performance characteristics of these zone valves, combined with the compact size, makes them suitable to fit inside baseboard or directly in fan coil units.
    $74.18

  6. Caleffi Discal Series 551 Air Separators Brass Sweat

    Caleffi Discal Series 551 Air Separators Brass Sweat

    Air separator. Brass body. Glass reinforced nylon internal element. ½" NPT female bottom thread. Max. working pressure: 150 psi. Working temperature range: 32—250°F.
    In heating and air conditioning control systems, the circulation of water containing impurities may result in rapid wear and damage to components such as pumps and control valves. It also causes blockages in heat exchangers, heating elements and pipes, resulting in lower thermal efficiency within the system. The dirt separator separates off these impurities, which are mainly made up of particles of sand and rust, collecting them in a large collection chamber, from which they can be removed even while the system is in operation. This device is capable of efficiently removing the smallest particles, with low head loss.
    $91.57

  7. Caleffi Series 502 Automatic Air Vent 1/8" NPT Male

    Caleffi Series 502 Automatic Air Vent 1/8" NPT Male

    Caleffi Series 502 Automatic Air Vent
    Automatic air vent. Brass body. Max. working pressure: 150 psi. Max. discharge pressure: 90 psi. Max. working temperature: 240°F.
    $6.75

  8. Caleffi Series 5027 Automatic Air Vent NPTM With Check Valve

    Caleffi Series 5027 Automatic Air Vent NPTM With Check Valve

    Caleffi Series 5027 Automatic Air Vent
    Automatic air vent with service check valve. Brass body. Max. working pressure: 150 psi. Max. discharge pressure: 90 psi. Max. working temperature: 240°F.
    $9.39

  9. Caleffi Series 676 Two-way Thermoelectric Zone Valve Including Actuator

    Caleffi Series 676 Two-way Thermoelectric Zone Valve Including Actuator

    Caleffi Series 676 Two-way Thermoelectric Zone Valve
    Zone valves are used to control hot and chilled water in heating and air conditioning systems. Coupled with an electro-thermal control actuator and managed by a room thermostat, they allow automatic on/off control of the hydronic circuit on which they are installed. Their special feature is their compact size and they can therefore be installed almost anywhere including baseboard or directly in fan-coil units.
    $57.30

  10. Caleffi Series 676 Two way Zone Valve Body only 3/4" Sweat

    Caleffi Series 676 Two way Zone Valve Body only 3/4" Sweat

    Caleffi Series 676 Two way Zone Valve Body only 3/4" Sweat
    Two-way zone valve body. For fi eld installation of thermo-electric actuators 656114, 656314 or 656414. Brass body and trim. Max. body pressure: 150 psi. Max. temperature: 200°F.
    $30.68

Items 1 to 10 of 57 total

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