Its compact footprint makes it an ideal multi-voltage HVAC transformer for tight low-voltage control sections

this gasket ensures a high-integrity

Engineered with a SPNO (Single Pole Normally Open) configuration and an isolated 24VDC coil

the K-1155 is a mechanical repair kit including the plunger

Lennox 17W56 Transformer Els PW 17895 Its compact footprint makes itThe 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.