Caleffi ZVR103 Relay 322838-753 Its solid-state design ensures high-precision

Its solid-state design ensures high-precision temperature control (50-90°F) for both PTAC units and standard HVAC configurations

utilizing this OEM component ensures exact bolt-hole alignment and eliminates the excessive vibration often found with universal aftermarket alternatives

Key Benefits: OEM Compatibility: Precision-engineered as a direct Fasco D1119 replacement for JBIPO4410V

The "LF" suffix indicates lead-free construction

it is highly recommended that this OEM replacement part be installed by a licensed HVAC professional

Caleffi ZVR103 Relay 322838-753 Its solid-state design ensures high-precisionThe Caleffi ZVR103 is a high performance 3 zone valve relay designed for professional contractors managing multi zone hydronic heating systems. Engineered for seamless integration, the ZVR103 serves as a direct technical replacement for the HPZC103, providing a robust interface between low voltage 2, 3, and 4 wire thermostats and boiler equipment. This hydronic zone valve controller features a standard 40 VA transformer, which is field expandable to