The spring return mechanism ensures the valve moves to the fail-safe closed position upon loss of power

This fault usually stems from physical obstructions in the intake venting

Can the UT32-WP be used with other thermostat brands

Does this relay protect against voltage surges

Where is the pilot connection located on this valve

Siemens Building Technology 656-0017 Valve 321894-706 The spring return mechanism ensuresThe Siemens Building Technology 656 0017 is a heavy duty 1 2 inch pneumatic radiator valve engineered for proportional control in two pipe steam or hot water systems. This normally open (N. O.) assembly features an angle union valve body constructed from durable brass, designed specifically for terminal unit applications like convectors, fan coil units, and baseboard radiation. With a 2. 1 Cv capacity and a standard 3 8 psi spring range, this valve