Lennox 13H78 Relay 320074-702 the ICP 1176919 provides a

the ICP 1176919 provides a direct drop-in solution for G-series and N9MSE model series

This Johnson Controls HVAC part is the standard for maintaining reliability in demanding ventilation applications

As a SPDT thermostat (Single Pole Double Throw)

technicians should verify the required microfarad rating on the motor nameplate during installation

Lennox 13H78 Relay 320074-702 the ICP 1176919 provides aThe Lennox 13H78 Relay is a heavy duty 24V DPDT relay engineered for precise switching control within Lennox heating and cooling systems. Built to handle dual circuit switching, this double pole double throw relay manages various voltage pathways simultaneously, ensuring consistent communication between the thermostat and high voltage components like blower motors or compressors. Operating at a standard 50 60 Hz frequency, the 13H78 is a critical HVAC