Lennox 13H28 Transformer Els PW 17895 different series require different spring

different series require different spring diameters and lengths such as the R325 series

technician-grade solution for standing pilot applications requiring a "Y" channel configuration

For contractors managing commercial HVAC monitoring projects

Key Benefits Universal Compatibility: Interchanges with MARS 68

Its single-pole design typically incorporates a shunt to maintain a continuous circuit for the crankcase heater while switching the primary load

Lennox 13H28 Transformer Els PW 17895 different series require different springThe Lennox 13H28 Transformer is the designated OEM replacement for 51M4401, engineered for high demand HVAC control voltage applications. Designed by Basler Electric (Model BE28868001), this 70VA transformer handles a primary input of 208 240V AC and steps it down to a stable 24V secondary output. This component is critical for powering low voltage control circuits, indoor air handlers, and packaged unit control boards. It features a robust 3. 5 Amp