Uponor 1" & 3/4" Thermal Zone Valve, four-wire

The Uponor Thermal Zone Valve, four-wire, features 3/4" and 1" sweat connections. It provides flow control for individual terminal units or a singlezone manifold (manifold serving one zone). The Thermal Zone Valve is assembled with the 1-watt Uponor Thermal Actuator, four-wire (A3023522) which includes an end switch for activation of a relay pump, heat plant or other auxiliary devices. 3/4" and 1" sweat adapters New Thermal Actuator, four-wire (A3023522) with lower, 1-watt power consumption