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Is the Lennox 52M74 a universal HVAC part
Designed for rapid hot surface ignition (HSI) systems
For HVAC technicians and contractors
Key Benefits Manual Reset Feature: Ensures open low protection requires a physical reset before resuming operation
Schneider Electric (Barber Colman) MK-3141 Pneumatic Damper Actuator Els PW 17895 Is the Lennox 52M74 aWhen the job requires a drop in Schneider Electric (Barber Colman) MK 3141 Pneumatic Damper Actuator, tech reliability is the only metric that matters. This proportional linear actuator is the direct replacement for the legacy MK 3140, engineered for modulating control of HVAC dampers and mixing boxes. Featuring a rugged die cast aluminum housing and a beaded molded neoprene rolling diaphragm, it manages a 3 to 13 psi spring range with a field
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