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The Weil McLain 560-528-980 Pilot Orifice is a precision-engineered OEM replacement part specifically calibrated for natural gas (NG) applications
For contractors managing HVAC repair parts
suitable for large residential and commercial boilers
ensuring tight shut-off and downstream protection when appliances are not in operation
This gasket is engineered to withstand the thermal cycling and condensation common in condensing furnace applications
Lennox 73W76 Pressure Switch The Weil McLain 560-528-980 PilotThe Lennox 73W76 is a critical safety component designed for precise HVAC pressure sensing in residential gas furnaces and air handlers. This OEM Lennox pressure switch is factory calibrated to a 0. 50" WC setpoint, ensuring the inducer motor establishes proper draft before allowing the ignition sequence to proceed. High grade construction featuring a SPST (Single Pole Single Throw) configuration and a standard 1 4" barb connection provides a reliable
