Limit/Fan & Pressure Switches.

Nordyne/Miller/Intertherm Pressure Switch (FM-632453)

Product ID: FM-632453
Weight: .6
Dimensions: 7x7x6

Price: $27.95 Each

Product Features

A pressure switch is also referred to as a combustion air switch or a draft proving switch. The switch closes at -0.20" of WC when the combustion/booster motor runs creating a negative air pressure. This model replaces 632332 and 6323320. M1 Model Furnaces.

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