Caleffi 1/2" Sweat Zone Valve w/ Aux. Switch (24V)

24V Normally Closed Actuator and 3/4" Sweat 2-way Straight Through Valve Body (7.5 Cv) Features: Two-way zone valve. Spring return. Normally closed actuator: Z111000 Auxiliary micro-switch. Max body pressure: 300 psi Temp range: 32 - 240F Suitable Fluids: water, 50% max glycol, 15 psi max steam Power Supply: 24 VAC Power Consumption: 5W, 7VA Rating of auxiliary micro-switch contacts: 0.0A min, 0.4A max 24V (24V only) 18" wire lead connection. UL 873, cUL Listed and CE. UL 1995 Sec. 18 air plenums and ducts. US Patent 7,048,251.