Nordyne 660915 Gasket 318518-761 it allows the gas valve

it allows the gas valve to remain energized

As an automatic reset limit switch

Can this sensor be used in high-moisture environments

When performing a Carrier service part replacement

Nordyne 660915 Gasket 318518-761 it allows the gas valveThe Nordyne 660915 Gasket is a critical OEM replacement part engineered specifically for high efficiency sealing within inlet box assemblies. Designed primarily for Nordyne CMF2 series downflow furnaces, this charcoal grey gasket ensures a robust, airtight interface between the inlet box and the furnace cabinet. In the field, a compromised seal at this junction directly results in bypassed air and reduced static pressure, leading to a measurable drop