Lennox 17W56 Transformer Els PW 17895 This multi-pin wiring harness is

This multi-pin wiring harness is specifically engineered for remote flame sensing applications

the 760-668 delivers consistent spark intensity to ensure rapid gas ignition across various OEM furnace parts applications

the SPST switch is configured for open low action with an automatic reset

The Modine 5H0717640002 Flame Sensor Lead is an essential OEM component for Modine PV Series unit heaters and gas-fired appliances

but if a vent limiting device is installed

Lennox 17W56 Transformer Els PW 17895 This multi-pin wiring harness isThe Lennox 17W56 transformer, also identified as model LB 111888A, is a heavy duty Class 2 transformer engineered for precision voltage step down in residential and commercial HVAC systems. This 40VA control transformer features a primary input of 120V AC at 60Hz and a stabilized 24V AC secondary output, making it the standard HVAC 24V power supply for critical components such as furnace control boards, 24 volt contactors, and digital thermostats.