Bradford White 239-44724-01 Vacuum Switch Common Questions Why is the

Common Questions Why is the furnace burner shutting off after five seconds

the S1-026-34027-000 is the standardized OEM replacement for the discontinued S1-2702-3191

Whether you are troubleshooting air flow issues or replacing a fatigued high limit sensor

and premature motor failure

Bradford White 239-44724-01 Vacuum Switch Common Questions Why is theMaintain 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