Lennox 17W56 Transformer Els PW 17895 this kit is calibrated to

this kit is calibrated to maintain a consistent 11" WC (Water Column) outlet pressure

this component is essential for achieving the thermal output specified on the appliance rating plate without compromising the combustion profile

the C25CNB125T utilizes a dust-resistant housing to protect high-quality silver cadmium oxide contacts

this MNPT water gauge valve is a standard-issue component for contractors maintaining commercial boilers and storage vessels

Lennox 17W56 Transformer Els PW 17895 this kit is calibrated toThe 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.