Caleffi ZVR104 Relay 323613-751 Most variations of this 48-frame
Platform notes & fabric story
Description
Most variations of this 48-frame motor require a 5 MFD 370V capacitor
floating control
Use this 3-blade 18-inch fan to ensure the motor operates within its rated specifications
Precision Tolerance: Machined from close-grain cast iron to ensure concentricity and reduce belt wear
maintaining the factory-rated airflow pressure and static balance
Caleffi ZVR104 Relay 323613-751 Most variations of this 48-frameThe Caleffi ZVR104 is a professional grade 4 zone valve relay designed for precise control of hydronic heating systems. Serving as a direct HPZC104 replacement, this multi zone controller manages up to four zone valves and features priority zoning functionality, allowing a single zone to be designated for domestic hot water (DHW) production. Engineered with a multi pin selectable priority option, the ZVR104 ensures that space heating loads are