Description
The pressure switch is also referred to as a combustion air switch or draft proving switch. 1.74. Switch closes when the combustion/booster motor runs creating a negative air pressure.
Original price was: $29.43.$9.12Current price is: $9.12.
The pressure switch is also referred to as a combustion air switch or draft proving switch. 1.74. Switch closes when the combustion/booster motor runs creating a negative air pressure.
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