Ensures reliable HVAC electrical connectivity between control boards and system peripherals

Does this unit include internal fusing

Common Questions What is the resistance at 70

Direct OEM Replacement: Replaces legacy part numbers 5H75002-5

Lennox 43H88 Relay Ensures reliable HVAC electrical connectivityThe Lennox 43H88 Blower Relay is a heavy duty 3PDT (Three Pole Double Throw) electromagnetic switch engineered for precise load management in commercial and residential HVAC systems. Operating on a 24V coil voltage, this inductive rated relay is a direct replacement for the legacy Lennox 43H8801, ensuring a 1: 1 fit for technicians servicing Lennox packaged units and heat pumps. With a 15 Amp contact rating, the 43H88 provides the switching capacity