ZVR104 | Zone Valve Relay 4 Zone | Caleffi Seal Material_EPDM and M6 screws

and M6 screws

This helps to improve system efficiency

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Regulator 210 1-1/2 Inch 7 Inches of Water Column Set 4-8 Inch Spring 10 Pounds per Square Inch High Strength Aluminum Alloy -40 to 200 Degrees Fahrenheit NPT for Gas

Sight Glass Kit Gasket for Buderus G115 Ensure clear visibility and prevent leaks in your G115 boiler with our Sight Glass Kit Gasket

ZVR104 | Zone Valve Relay 4 Zone | Caleffi Seal Material_EPDM and M6 screwsCaleffi Zone Valve Relay, 4 Zone (ZVR104) Caleffi's ZVR104 Zone Valve Relay is designed to control up to four independent zone valves, enabling efficient management of hydronic heating systems. This compact and reliable relay features multiple inputs for thermostats and end switches, ensuring precise control of zone temperatures. Key Features: Powers up to four zone valves Multiple inputs for thermostats and end switches Compact and easy to install