Lennox 31J91 LP Pilot Orifice or the motor failing to

or the motor failing to turn over despite receiving power

A veteran tech will tell you to replace the gasket every time the pilot tube or pilot generator is serviced to prevent nuisance service calls related to air leaks or pilot drop-outs

this restrictor plate ensures the air-fuel ratio remains consistent with manufacturer specifications

Direct Fitment: Designed for immediate installation into standard burner spuds across various York and Coleman furnace models

Lennox 31J91 LP Pilot Orifice or the motor failing toThe Lennox 31J91 LP Pilot Orifice is a precision engineered liquid propane (LP) conversion component designed specifically for residential and commercial gas heating systems. As a critical mechanical replacement for the legacy 31J9101, this red coded orifice ensures consistent gas flow regulation to the pilot burner assembly, maintaining a stable flame for reliable ignition cycles. Field tested for durability, the Lennox 31J91 is manufactured from