The 200RB series utilizes a piston design that ensures reliable shut-off and a low-pressure drop

Broad Compatibility: Genuine Lennox OEM quality ensures a direct fit for hundreds of models

provided the electrical ratings (25A at 240V) meet or exceed the original part specifications

a reading below the manufacturer’s specification typically indicates a dirty or failing sensor

Corrosion Resistance: Features a stainless steel power element to prevent diaphragm fatigue and environmental degradation

Schneider Electric (Barber Colman) MK-4811 Pneumatic Valve Actuator Freon The 200RB series utilizes aPneumatic Valve Actuator, 5 to 10 Psi Spring Range, Nema Type 1, 30 Psig Maximum Air Pressure, Spring Retracts Actuator Shaft and Raises Valve Stem on loss of Air Pressure, Used with 1 1 2" to 2" VB 9xxx Series MK 4811 is the direct replacement for 23 109 This item does not qualify for free shipping.