Schneider Electric (Barber Colman) MK-4451 Pneumatic Damper Actuator 30067439-890 This valve ensures compatible heating

This valve ensures compatible heating system gas control by maintaining proper manifold pressure

Clear Interface: Digital readout provides highly accurate temperature sensing for improved occupant comfort and energy monitoring

ensuring it handles the precise micro-pressure differentials found in Lochinvar Knight and A

the 7790803 simplifies field installation by providing standardized mounting holes and sufficient internal clearance for secure terminal block access and wiring management

Schneider Electric (Barber Colman) MK-4451 Pneumatic Damper Actuator 30067439-890 This valve ensures compatible heatingPneumatic Damper Actuator, 3 to 6 Psi and 9 to 12 Psi Spring Range, 1 2" to 3" Adjustable Stroke ( Factory set at 2" ), 30 Psig Maximum Safe Air Pressure, 1 8" Fnpt Air Connections This item does not qualify for free shipping.