Sensus 143-16-511-10 Valve Seat Els PW 17895 The Lennox 27W17 Pressure Switch

The Lennox 27W17 Pressure Switch is the OEM replacement required for precise inducer fan monitoring in several gas furnace models

and 7222 factory model series

F cut-out threshold

This switch features a standard flange mount for rapid field installation and is a direct substitute for legacy Goodman furnace parts

Replacing the gasket during annual inspections or whenever the head is removed prevents dangerous leaks and ensures the low water cut-off maintains precise calibration

Sensus 143-16-511-10 Valve Seat Els PW 17895 The Lennox 27W17 Pressure SwitchThe Sensus 143 16 511 10 Valve Seat is a critical replacement component engineered for the Sensus Model 243 Service Regulator. This 30 degree (30') seat design is built to provide a high integrity seal within the internal valve assembly, ensuring precise lock up and stable pressure regulation under varying load conditions. Specifically designed to replace the obsolete 143 16 511 05 part, this natural gas regulator valve seat is vital for technicians