MDI Mercury Displacement 35NO-277A Contactor 320734-701 When diagnosing Lennox furnace pressure

When diagnosing Lennox furnace pressure switch problems

75VA Power Rating: Provides sufficient volt-ampere capacity to drive multiple solenoids and relays simultaneously without voltage sag

Key Benefits for Technicians: Precise 145-174 MFD Range: Optimized for high-torque starting requirements to prevent motor stalling and heat buildup

making it ideal for systems utilizing HFC and HCFC refrigerants and POE or PAG oils

MDI Mercury Displacement 35NO-277A Contactor 320734-701 When diagnosing Lennox furnace pressureThe MDI Mercury Displacement 35NO 277A Contactor is a mission critical 1 pole 277V contactor designed for high cycle industrial automation and HVACR applications where mechanical relays typically fail. Built for 35 amp loads, this unit utilizes mercury to metal contact technology, featuring a hermetically sealed stainless steel tube encapsulated in high grade epoxy. This design prevents moisture ingress and voltage breakdown while ensuring arc free