This water pressure switch acts as a safety interlock

Broad operating temperature range of -40°C to 100°C (-40°F to 210°F) covers most commercial applications

Key Benefits for Technicians OEM Precision: Guaranteed 22-inch blade diameter and 24-degree pitch for exact performance matching

Does this part include the necessary gaskets

Lennox 31J35 Pilot Assembly Els PW 17895 This water pressure switch actsThe Lennox 31J35 Pilot Assembly is a factory authorized OEM replacement part engineered specifically for residential and light commercial gas furnaces, including the G20 series and G20R models. As a critical intermittent pilot ignition component, this assembly replaces previous part numbers 31J3501 and NCO 31J35, ensuring seamless mechanical compatibility with your existing gas burner configuration. This Lennox 620 pilot assembly features a factory