Functional Devices TR75VA004 Transformer While this is a Lennox

While this is a Lennox OEM part

It utilizes standard 1/4 inch quick connect terminals (1

the T-4756-2145 is a solid-face design with no thermometer

If your unit has a round bracket

Optimized Micron Rating: High-density media focuses on particulate removal while minimizing pressure drop

Functional Devices TR75VA004 Transformer While this is a LennoxThe Functional Devices TR75VA004 is a versatile 75VA multi tap transformer designed for reliable power stepping in commercial and industrial HVACR control circuits. Featuring a universal primary input of 120 208 240 480 Vac and a 24 Vac secondary output, this unit eliminates the need to carry multiple single voltage transformers on the service truck. The integrated circuit breaker provides essential overcurrent protection, allowing for quick resets