How do I maintain the sensing probe

the 9043-451 maintains the necessary static pressure for proper pressure switch engagement and consistent airflow

Simplified Maintenance: The P70CA-61 pressure control includes a visible scale for rapid setpoint verification during routine service calls

The VA7830-HGC-2 is factory-configured for spring return stem down

Bradford White 415-45867-02 Pressure Switch 326010-701 How do I maintain theThe Bradford White 415 45867 02 is a mission critical 1. 25"WC N O pressure switch designed specifically for modern through the wall power vent water heaters. As an essential safety component, this normally open induction switch monitors the draft inducer fan's performance, ensuring the combustion chamber is properly evacuated before allowing the ignition sequence to proceed. If the blower fails to achieve the 1. 25" W. C. vacuum set point, the switch