Markel 05460702 Switch 321042-401 Proper installation of this genuine

Proper installation of this genuine Bradford White part is essential for maintaining the manifold pressure required for stable flame patterns and reliable ignition

45UV5-1007

including additional auxiliary contacts and timers

it features a mid-point ground configuration and high-temperature wire insulation that allows the unit to run cooler and quieter than standard aftermarket alternatives

Markel 05460702 Switch 321042-401 Proper installation of this genuineThe Markel 05460702 is a field proven air flow switch designed to provide precise differential pressure monitoring in heating and cooling applications. As the direct replacement for the legacy MRH 1505 DO, this switch is a critical safety component that confirms positive airflow within a duct before allowing heat kits or compressors to engage. Engineered for low pressure environments, it features a fixed setpoint of 0. 5" WC (water column), ensuring