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.

Milwaukee gate vale, 1-1/4" NPT female, 150 PSI, 300 WOG, rising stem. Brand New Never Been Used.

Watts temperature & pressure relief valve set at 125 PSI at 450,000 BTU/HR, 3/4" male NPT

Armstrong Balance valve 1/2" 300 PSI. 1.4 - 10.4 GPM

B&G Circuit Setter 1" SWT

B&G Circuit Setter 3/4" NPT