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Precise 2-Stage Calibration: Factory-set at -0
Designed for direct compatibility with Robertshaw ignition modules
which reduces wear on bearings and internal windings
Rugged Design: The IP67-rated housing protects internal electronics from harsh mechanical room conditions
providing a factory-spec match for mounting brackets and electrical terminations
Bradford White 239-48058-01 Pressure Switch 320788-704 Precise 2-Stage Calibration: Factory-set atThe Bradford White 239 48058 01 Pressure Switch is a critical safety component designed for performance with power vented gas water heaters. This differential pressure switch is factory calibrated to 0. 80" WC (normally open), acting as the primary safeguard to verify that the combustion blower is generating sufficient draft before allowing the ignition sequence to proceed. As a professional grade OEM replacement part, it ensures seamless