Caleffi Z-one 6-zone valve relay and boiler operating control for multiple zone hydronic heating systems.
The ZSR101 single zone switching relay is operated by low voltage thermostats.Power Supply: 120 VAC, 50/60 Hz. Control up to 3-Zones.
The ZSR101 single zone switching relay is operated by low voltage thermostats.Power Supply: 120 VAC, 50/60 Hz.