Lennox 17F15 Gasket 320074-702 This assembly supersedes several legacy

This assembly supersedes several legacy part numbers

If the valve shifts when manually tapped or energized but fails electrically

Proactive replacement of a drifting or failed HVAC temperature sensor prevents common system faults

natural gas regulator setting is field-adjustable from 2

utilizing factory-authorized components like the 100187866 replacement burner is the only way to ensure the pressure switch and gas valve sequence operate within the intended safety parameters

Lennox 17F15 Gasket 320074-702 This assembly supersedes several legacyThe Lennox 17F15 Gasket Replacement Kit is an essential OEM component designed for high performance sealing in various Lennox furnace and HVAC applications. This kit features a 10x20 sheet of durable, white fiberglass material, engineered to withstand the thermal stresses and high heat environments common in modern heat exchanger assemblies. Whether you are performing a routine inspection or replacing a degraded furnace gasket, using genuine Lennox