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Mechanical Room Components

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  1. Caleffi Universal Flow Switch

    Caleffi Universal Flow Switch

    Universal Flow Switch for heating systems. 1" NPTM, Brass body, Suitable for 1" to 8" pipe. UL listed.
    Universal Flow Switch for heating and air conditioning systems. Suitable for 1" to 8" pipe size. Working pressure: 150 psi. Working Temperature: 250 F. Minimum Flow: 5.7 GPM. Rating of switch contacts : 5A. CE, cUL, NEMA Type 5, IP 54
    $121.97

  2. 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

  3. Caleffi Series Z2 Z-One Valve Body, 2 Way 1" Sweat 7.5 Cv, 20 psi

    Caleffi Series Z2 Z-One Valve Body, 2 Way 1" Sweat 7.5 Cv, 20 psi

    Caleffi Z-One Valve Body, 2 Way 1" Sweat 7.5 Cv, 20 psi
    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. *Agency Approval for low-lead brass body: Lead plumbing law compliance: (0.25 max. weighted average lead content). Lead plumbing law certified by IAPMO R&T
    $46.66

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