ZVR104 | Zone Valve Relay 4 Zone | Caleffi Product Type_A247 Factory-tested to meet MSS SP-139

Factory-tested to meet MSS SP-139 standards

this assembly ring withstands the demanding conditions of oil burner operations

Fasco Motors A180 Inducer Blower Motor: Enhanced Efficiency for Industrial HVAC ApplicationsThe Fasco Motors A180 inducer blower motor is an exceptional choice for industrial HVAC applications

making it ideal for demanding plumbing and piping systems

ZVR104 | Zone Valve Relay 4 Zone | Caleffi Product Type_A247 Factory-tested to meet MSS SP-139Caleffi 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