Most failures are due to a direct short in the low-voltage wiring or a faulty contactor coil pulling more than 40VA

If the switch opens at 306

Its broad refrigerant compatibility includes R410A

FAN) for rapid industry-standard wiring and replacement

Bradford White 239-44724-01 Vacuum Switch Most failures are due toMaintain peak combustion efficiency with the Bradford White 239 44724 01 Vacuum Switch, a critical OEM safety component for gas fired water heating systems. This intake vacuum switch is specifically calibrated to a 1. 20 inch NC (Normally Closed) set point, ensuring the blower motor establishes proper draft before the ignition sequence initiates. As a genuine Bradford White replacement part, it prevents burner operation under unsafe venting