
Also referred to as a combustion air switch or draft proving switch. -0.50 Inches of Water Column (IWC). For replacement tubing, order B13-614. Replaces 02425994000.
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Also referred to as a combustion air switch or draft proving switch. -0.50 Inches of Water Column (IWC). For replacement tubing, order B13-614. Replaces 02425994000.