What is the proper orifice size for the air supply

leak-proof mechanical joint that facilitates quick field swaps and maintenance

providing technicians with the flexibility required for varying sequence of operations

Field technicians can easily integrate the unit into existing control loops using the 6-32 screw terminals and standard 1/4" OD metallic or semi-rigid tubing connections

Bradford White 415-45460-00 Pressure Switch 321894-708 What is the proper orificeThe Bradford White 415 45460 00 Pressure Switch is a critical safety component designed for precise atmospheric monitoring in high efficiency power vented water heaters. Calibrated to a 0. 75" WC set point, this SPST (Single Pole Single Throw) switch ensures the blower motor is moving sufficient air for combustion before allowing the ignition sequence to proceed. It serves as a direct OEM replacement for several Bradford White RG2PV and MITW series