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.

Apollo 3/4" temperature and pressure relief valve, 3/4", 125 psi, 95,000.00 BTU/HR. Used for water heaters. Only 4 left, deal ends when last one is sold.

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

Watts M3 174A pressure relief valve 3/4" female NPT, 125 PSI, 2,070,000 BTU/HR, water only.
NOTE: NOT FOR USE ON POTABLE WATER. THESE VALVES DO NOT MEET LEAD FREE STANDARDS.