Caleffi ZVR104 Relay 323613-751 What are the electrical requirements

What are the electrical requirements for the 0131M00803SP

Most variations of this 48-frame motor require a 5 MFD 370V capacitor

the "Z" suffix in the 48Z frame usually indicates a specific shaft modification

as well as timing for the fan-off delay to maximize residual heat transfer

Caleffi ZVR104 Relay 323613-751 What are the electrical requirementsThe 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