Bradford White 415-44072-01 Transformer (120V Primary / 24V Secondary, 40VA)

The Bradford White 415-44072-01 Transformer is an OEM 120V to 24V step-down control transformer rated 40VA, also referenced by transformer number 4600C01V04BB634. It steps 120V line voltage down to the 24V control circuit that powers the controls on the Bradford White equipment it serves. It supersedes the earlier 233-44072-01 transformer number. The unit is a foot-mount transformer with two mounting ears and four quick-connect terminals, marked 120V 60Hz on the primary and 24V 40VA on the secondary.

Parts listings for Bradford White models such as the EF60T125E3N and the D-100T-250-3X-F include 415-44072-01 as the control transformer. At 24V, a 40VA secondary can supply about 1.67 amps (40 ÷ 24) of control load, so when you replace one, match or exceed the VA rating of the original — an undersized transformer will overheat and open up again. Because a dead transformer takes out the whole control circuit, a blank display or a heater that doesn't respond at all is often where diagnosis should start.

Key Benefits

• 120V Primary / 24V Secondary: The standard control voltage conversion for the equipment it serves.
• 40VA Rating: Carries the original 24V control load without running hot.
• Foot Mount with Quick-Connects: Bolts into place on its mounting ears and connects with the original quick-connect terminals — no re-wiring.
• Direct Replacement for 233-44072-01: Replaces the earlier 233-44072-01 number, so older parts references still lead you here.

Common Questions

• How do I test this transformer? With 120V confirmed on the primary, measure the secondary with a meter. Roughly 24V or a little higher unloaded is normal. No output means the transformer has failed.
• What if the new transformer burns out again? Look for a shorted 24V component or a pinched wire in the control circuit. Fix the short before energizing the new 415-44072-01.
• Can I use a higher-VA 24V transformer? A 24V unit with a higher VA rating will carry the same load. Do not go lower than 40VA.

Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.