This specific HVAC wiring assembly is engineered for rugged heating and cooling environments

ensuring a seamless fit and electrical consistency during field repairs

providing a direct-fit solution that simplifies field installation and stabilizes electrical performance across the control circuit

a genuine OEM HVAC control switch engineered for precise negative pressure monitoring in high-efficiency furnaces and air handlers

providing reliable starting torque and high volumetric efficiency

Lochinvar & A.O. Smith 100304988 Gasket 321042-401 This specific HVAC wiring assemblyEnsure a high integrity seal for your precision combustion equipment with the Lochinvar & A. O. Smith 100304988 Gasket. Specifically designed as a flame sensor gasket, this OEM replacement part maintains the airtight boundary necessary for accurate flame rectification and consistent signal transmission to the control board. For any service technician or mechanical contractor, replacing the gasket during annual maintenance or whenever the sensor is