Uponor No Lead Thermal Zone Valve, Four-Wire, 3/4 to 1 in Nominal, C, 230 psi, 248 deg F, Bronze Body, Stainless Steel Trim, EPDM Gasket, 2-1/2 in L x 3-3/4 in W x 4 in H
Thermal zone valves (24 VAC) feature 3/4 and 1 in sweat connections. They provide flow control for single-zoned manifolds (manifolds serving one zone), and have a built-in flow-balancing feature. The valves include an end switch for activation of a relay (pump), heat plant or other auxiliary devices.