Two-way zone valve. Spring return. Normally closed actuator: code Z111000. Auxiliary micro-switch.Max body pressure: 300 psi. Temp range: 32Ú - 240ÚF. Suitable Fluids: water, 50% max glycol, 15 psi max steam. Power Supply: 24 VAC. Power Consumption: 5 W, 7 VA Rating of auxiliary micro-switch contacts: 0.0 A min, 0.4 A max 24 V (24 V only). 18" wire lead connection.