Utilizing a C3 internal clearance

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

Common Questions What is the maximum pressure rating for the BASO H17AB-2

Can the UT32-WP be used with other thermostat brands

This fault usually stems from physical obstructions in the intake venting

Siemens Building Technology 656-0017 Valve 321894-706 Utilizing a C3 internal clearanceThe 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