Lennox 28G45 Limit switch 318518-761 Use the PRGM button to

Use the PRGM button to navigate to the 5-day (weekday)

The ASCO 8215G20-24V is a high-flow 2-way normally closed gas shutoff valve engineered for fuel gas service applications

Precise tolerances on the high-temperature diaphragm prevent bypass leakage

straight-through port design maintains high flow coefficients (1

5" mounting pattern fits most commercial condenser footprints

Lennox 28G45 Limit switch 318518-761 Use the PRGM button toThe Lennox 28G45 Limit Switch is a critical safety component designed for precise thermal regulation within residential and commercial Lennox HVAC systems. Engineered for automatic reset functionality, this high limit control monitors plenum temperatures, interrupting the burner circuit if conditions exceed the preset safety threshold of 140F. This OEM Lennox furnace part features a versatile 60F to 140F operating range, ensuring stable performance