Swapping a failing 196036 for this genuine Reznor replacement part restores system diagnostic reliability and combustion efficiency

If primary power is present but there is 0V on the secondary side

We strongly recommend replacing the capacitor whenever a new condenser motor is installed to prevent premature failure

Precise Conductivity Sensing: Delivers accurate water volume detection to prevent heating element burnout

this model features a 1

Lennox 11W51 Limit Switch Freon Swapping a failing 196036 forThe Lennox 11W51 Limit Switch is a critical safety component designed for precise thermal regulation within high efficiency residential heating systems. Operating with a 160 190F temperature range, this auto reset limit switch is normally closed and engineered to open the circuit at 190F to prevent heat exchanger damage and potentially hazardous conditions. Once the plenum temperature cools back to 160F, the 11W51 automatically resets, allowing the