Ease of Maintenance: Integrated 1/8" NPT upstream and downstream taps allow for quick pressure checks and routine system testing

This fault usually stems from physical obstructions in the intake venting

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

Is this unit a suitable replacement for a Furnas 42EF35AG contactor

Siemens Building Technology 656-0017 Valve 321894-706 Ease of Maintenance: Integrated 1/8"The 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