This is a dual-stage pressure switch

When you need accurate kilowatt-hour regulation for resistive elements

the auxiliary contact opens to shut off the heater

The yellow spring configuration ensures stable regulation even at low pilot flows

It is highly recommended to install a 3-amp inline fuse on the secondary side to protect the new transformer from repetitive high-amp draws

Bradford White 239-82034-00 Temperature Sensor Els PW 17895 This is a dual-stage pressureFor contractors maintaining Bradford White water heating systems, the Bradford White 239 82034 00 Lower Temperature Sensor is a critical OEM component. This precision engineered sensor is essential for accurate temperature monitoring and regulation within the water heater, ensuring both efficient operation and system safety. When troubleshooting issues like lukewarm water or diagnostic error codes indicating a sensor fault, this genuine Bradford White