BAXI COMBI 105HE & COMBI INSTANT 105HE AIR PRESSURE SWITCH 5137530 WAS 248466. Main Part Number: 5137530. BAXI COMBI 105 HE. BAXI COMBI 80 MAXFLUE. BAXI COMBI INSTANT 105 HE. MAIN COMBI 30 HE. This Air Pressure Switch Replaces The Honeywell Style Pressure Switches.
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