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  • 283711918.webp
    CALEFFI
    Caleffi Z44P 1/2 inches Press 2-Way Zone Valve w/ 18 inches Wire Leads, 3.5 Cv (24V)
    SKU: Z44P
    Product Description The CALEFFI Z44P is a two-way zone valve used to automatically shut-off the flow or redirect hot and chilled water in hydronic systems. It features a male union body and two press fittings, along with a spring return and normally closed actuator....
    $216.52
    $216.52
  • CALEFFI Z45 SWEAT VALVESCaleffi Z45 24V 3/4 Sweat Zone Valve 7.5 Cv 20 PSI Aux Switch 18 Inch Leads Replaces Z411537
    CALEFFI
    Caleffi Z45 24V 3/4 Sweat Zone Valve 7.5 Cv 20 PSI Aux Switch 18 Inch Leads Replaces Z411537
    SKU: Z45
    Product DescriptionThe Caleffi Z45 is a 24V 3/4-inch sweat zone valve with a 7.5 Cv capacity and 20 PSI auxiliary switch. This valve features 18-inch leads and replaces the Z411537 model. It is designed for applications requiring automatic water flow control or redirection in...
    $156.43
    $156.43
  • CALEFFI Z45P ZONE VALVESCaleffi Z45P 24V 3/4 Press Fit Zone Valve 7.5 CV 2-Way NC w/18 Leads and Aux Switch
    CALEFFI
    Caleffi Z45P 24V 3/4 Press Fit Zone Valve 7.5 CV 2-Way NC w/18 Leads and Aux Switch
    SKU: Z45P
    Product DescriptionThe Caleffi Z45P 24V 3/4 Press Fit Zone Valve is a high-performance component for hydronic heating and cooling systems. This valve features a press-fit design for easy installation without soldering or threading. The 3/4 size and 2-way normally closed configuration make it versatile...
    $209.60
    $209.60
  • CALEFFI Z46 ACTUATORS
    CALEFFI
    Caleffi Z46 Z-One 2-Way Valve Body Normally Closed Actuator w/ Switch 24V 1 Sweat Replacement MPN
    SKU: Z46
    Product DescriptionThe Caleffi Z46 is a 2-Way valve body with a normally closed actuator designed for use in hydronic systems. This valve operates at 24 volts with a one inch sweat connection. It provides a reliable performance for managing hot and chilled water flow...
    $190.60
    $190.60
  • 191087450.jpg191087451.jpg
    CALEFFI
    Caleffi Z46P Z-One Zone Valve 1 Press Union NC 24V
    SKU: Z46P
    Product DescriptionThe Caleffi Z46P is a 1-inch Z-One zone valve designed for automatic shut-off or diversion of hot and chilled water within hydronic systems. This valve is compatible with open and closed systems as well as low-pressure steam. It features a motorized two-position spring...
    $254.97
    $254.97
  • CALEFFI Z54 ZONE VALVESCaleffi Z54 1/2-Inch 24-Volt Normally Closed Zone Valve
    CALEFFI
    Caleffi Z54 1/2-Inch 24-Volt Normally Closed Zone Valve
    SKU: Z54
    Product DescriptionCaleffi introduces the Z54, a 1/2-inch 24-volt sweat zone valve designed for seamless integration into hydronic and air conditioning systems. Ideal for professionals in the plumbing and HVAC industries, this valve is engineered to offer precision in control of water flow in various...
    $139.39
    $139.39
  • CALEFFI Z54P TERMINAL BLOCKS
    CALEFFI
    Caleffi Z54P Z-One 2-Way, NC Terminal Block, w/ MS, 24V, 1/2, Union Press, 2.5Cv
    SKU: Z54P
    Product DescriptionThe Caleffi Z54P is a Z-One 2-Way zone valve designed for hydronic heating systems. This valve operates with a motorized actuator for precise control of hot and chilled water flow. It is suitable for various applications including low-pressure steam systems. The valve body...
    $213.48
    $213.48
  • CALEFFI Z55 ZONE VALVESCaleffi Z55 24V NC 2-Way 3/4 Inch Sweat 7.5 Cv Zone Valve with Terminal Block and AUX Switch
    CALEFFI
    Caleffi Z55 24V NC 2-Way 3/4 Inch Sweat 7.5 Cv Zone Valve with Terminal Block and AUX Switch
    SKU: Z55
    Product DescriptionThe Caleffi Z55 is a 24V NC 2-Way Zone Valve with a 3/4 Inch Sweat connection, designed for precise control in hydronic systems. This valve features a terminal block and AUX switch for added functionality. 24V NC operation 3/4 Inch Sweat connection 7.5...
    $162.16
    $162.16
  • CALEFFI Z55P ZONE VALVESCaleffi Z55P 24V NC Zone Valve 3/4 Presscon Fittings 7.5Cv
    CALEFFI
    Caleffi Z55P 24V NC Zone Valve 3/4 Presscon Fittings 7.5Cv
    SKU: Z55P
    Product DescriptionThe Caleffi Z55P is a 24V normally closed (NC) zone valve designed for use in hydronic heating and cooling systems. It features 3/4 inch Presscon fittings and offers a 7.5Cv terminal block with an auxiliary switch. Compatible with hydronic systems Includes 3/4 inch...
    $189.32
    $189.32
  • CALEFFI Z56 SWEAT VALVESCaleffi Z56 1-Inch Sweat 2-Way Normally Closed Zone Valve 24-Volt 7.5C
    CALEFFI
    Caleffi Z56 1-Inch Sweat 2-Way Normally Closed Zone Valve 24-Volt 7.5C
    SKU: Z56
    Product DescriptionThe Caleffi Z56 1-Inch Sweat 2-Way Zone Valve, MPN Z56, is designed for hydronic HVAC systems. It operates at 24 volts and is normally closed. With a flow capacity of 7.5 Cv at 20 psig, it ensures precise control over the flow of...
    $196.74
    $196.74
  • CALEFFI Z56P ZONE VALVESCaleffi Z56P 24V NC 2 Way Zone Valve 1 Union Press Connections 7.5cv Terminal Block & Aux. Switch
    CALEFFI
    Caleffi Z56P 24V NC 2 Way Zone Valve 1 Union Press Connections 7.5cv Terminal Block & Aux. Switch
    SKU: Z56P
    Product DescriptionThe Caleffi Z56P 24V NC 2 Way Zone Valve, designed for HVAC systems, ensures optimal control and performance. This valve, identified by MPN Z56P, offers enhanced system efficiency and reliability. 1 union press connections for secure fitting. 7.5cv terminal block ensures reliable power....
    $229.95
    $229.95
  • CALEFFI Z57 ZONE VALVES
    CALEFFI
    Caleffi Z57 2-Way Motorized Zone Valve with End Switch 1-1/4 Inch Sweat 7.5 Cv 24V
    SKU: Z57
    Product Description The Caleffi Z57 motorized zone valve offers an efficient flow control solution for hydronic and low-pressure steam systems. This valve is specifically designed for on/off operation, with an auxiliary switch feature for improved control within your HVAC system. The model is suitable...
    $312.12
    $312.12
  • CALEFFI ZSR101 SWITCHING RELAYSCaleffi ZSR101 1 Zone Expandable Switching Relay with Priority
    CALEFFI
    Caleffi ZSR101 1 Zone Expandable Switching Relay with Priority
    SKU: ZSR101
    Product DescriptionThe Caleffi ZSR101 is a compact and robust zone pump relay designed for single zone control within hydronic heating and cooling systems. This highly efficient device is ideal for managing the operation of zone pumps, ensuring optimal performance and energy efficiency. Designed for...
    $85.52
    $85.52
  • CALEFFI ZSR103 RELAYSCaleffi ZSR103 Zone Valve Relay 3-Zone 120 VAC
    CALEFFI
    Caleffi ZSR103 Zone Valve Relay 3-Zone 120 VAC
    SKU: ZSR103
    Product DescriptionImprove the efficiency of your hydronic heating system with the Caleffi ZSR103, a three-zone valve relay. Designed to control both boiler operations and zonal pumps, this device is a must for any residential or commercial space using low voltage thermostats or similar controllers....
    $196.80
    $196.80
  • CALEFFI ZSR104 CONTROL BOARDSCaleffi ZSR104 4 Zone Expandable Switching Relay with Priority
    CALEFFI
    Caleffi ZSR104 4 Zone Expandable Switching Relay with Priority
    SKU: ZSR104
    Product DescriptionThe Caleffi ZSR104 is an expandable switching relay designed to control up to four hydronic heating zones with additional priority zoning capabilities. This module is ideal for simplified zoning applications where multiple zones require individual control. Integrates with low voltage thermostats or controllers....
    $230.01
    $230.01
  • CALEFFI ZSR106 ZONE SWITCHING RELAYSCaleffi ZSR106 6-Zone Switching Relay for Pumps - Expandable - 120VAC
    CALEFFI
    Caleffi ZSR106 6-Zone Switching Relay for Pumps - Expandable - 120VAC
    SKU: ZSR106
    Product DescriptionThe Caleffi ZSR106 is a six-zone switching relay designed for pumps in multi-zone hydronic heating systems. It operates on one hundred twenty volts alternating current and controls multiple zone pumps providing efficient heating. This product extends the versatility of your hydronic system while...
    $273.49
    $273.49
  • CALEFFI
    Caleffi ZVR103 Zone Valve Relay 3 Zone
    SKU: ZVR103
    Product DescriptionThe Caleffi Zone Valve Relay, model ZVR103, is designed for controlling multiple zone valves in hydronic heating systems. This device efficiently manages up to three independent zones, ensuring precise temperature control across different areas. Controls up to three zones for customized heating. Compatible...
    $148.38
    $148.38
  • CALEFFI ZVR104 CONTROL BOARDS
    CALEFFI
    Caleffi ZVR104 Zone Valve Relay 4-Zone with Priority Replacement ZVR104
    SKU: ZVR104
    Product DescriptionThe Caleffi ZVR104 is a four-zone valve relay designed to manage zone-controlled heating systems efficiently. With the ability to handle four zones independently, this device is ideal for enhancing system performance and ensuring uniform heating control. Controls up to four independent heating zones....
    $179.16
    $179.16
  • CALEFFI ZVR106 ZONE SWITCHING RELAYS
    CALEFFI
    Caleffi ZVR106 6-Zone Switching Relay for Zone Valves - Expandable - 120VAC 24V 40VA
    SKU: ZVR106
    Product DescriptionThe Caleffi ZVR106 is a six-zone valve relay designed for hydronic heating systems. It operates on 120 volts AC and controls up to six zone valves. This relay simplifies the management of multiple heating zones, ensuring efficient operation. Controls up to six zone...
    $230.85
    $230.85
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