Automatic Reset: Features a self-resetting mechanism that restores power once safe operating temperatures are achieved

a critical OEM component engineered for high-performance draft induction

Critical Diagnostics: Integrated digital display provides real-time feedback on system status and temperature set points

Built for the rigors of high-cycle heating seasons

preventing potential damage by ensuring proper pressure conditions are met before allowing the system to operate

Lennox 39H98 Relay 318518-761 Automatic Reset: Features a self-resettingThe Lennox 39H98 Relay is an essential primary control component designed for reliable low voltage switching in residential and light commercial HVAC equipment. This DPDT 24V Relay (Double Pole Double Throw) features a 24VAC coil, making it a versatile drop in replacement for managing blower motors, fan cycles, and auxiliary heat circuits. Engineered for HVAC control circuit repair, the 39H98 manages power distribution across two separate circuits