For service technicians working on high-efficiency Lennox gas furnaces

Confirm that your unit's existing part number matches HH84AA018

The unit is designed for use with multiple conductivity probes to establish high and low setpoints

For network configuration

What are the signs that my pilot assembly needs replacement

Supco SLP1025 Pressure Switch 319852-301 For service technicians working onThe Supco SLP1025 Pressure Switch is a professional grade, factory calibrated low pressure control essential for safeguarding compressors against low suction conditions. Engineered with a 10 PSI cut out (opening on pressure drop) and a 25 PSI cut in, this SPST (Single Pole, Single Throw) switch provides accurate, repeatable performance in high demand residential and commercial refrigeration systems. Its encapsulated design and hermetically sealed