Description
burner interlocks
confirming that the inducer motor is exhausting flue gases effectively before allowing the gas valve to energize
or the unit failing to reach the set temperature during the winter season
this ASME Section IV certified valve is designed to handle a massive discharge capacity of 4
Lennox 75W15 Limit Switch 320735-701 burner interlocksThe Lennox 75W15 Limit Switch is a high performance L165 30F limit switch designed as a genuine OEM replacement for residential and commercial heating equipment. Engineered to function as a critical safety control, this Lennox furnace limit switch operates as a normally closed (NC) snap disc limit control that opens at 165F and resets at 135F. This automatic reset component is essential for preventing heat exchanger damage by interrupting the gas