Rheem Furnace Parts 46-25107-04 Control Transformer46 25107 04 Control Transformer is a key Rheem furnace part designed to power the furnace's control circuits. This transformer replacement provides a reliable low voltage supply to the thermostat and control board, keeping your heating system operating smoothly through every cycle. As part of the Rheem furnace parts lineup, it offers an OEM compatible solution for maintaining consistent furnace operation and dependable performance in your home's HVAC

and 6 Wire Assemblies

The inclusion of MROSCS Leaf Class Name Cup compatibility ensures seamless integration with existing control setups

5 GPH and gas-fired systems up to 450

8" H) makes installation straightforward

Designed for durable performance in high-heat conditions

Its versatile mounting supports 0–90 degrees from the upright gas control knob

The sensing bulb is filled with either toluene or silicone oil for stable responses

with a temperature range of 40–200°F and a pressure rating of 20 psi close-off (125 psi static)

helping maintain heater performance during peak heating seasons

Color code: Blue for easy identification

The Rheem Furnace Parts 42-24166-89 Gas Furnace Pressure Switch ensures the furnace only runs when proper air flow and venting are detected

this transformer delivers steady control voltage for demanding cooling and heating cycles