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.55 pressure switch Nordyne 632425R

632425R Nordyne pressure switch .55

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Pressure switch. NO, 0.55C. One hose nipple. Also referred to as a combustion air switch or draft proving switch. Switch closes when the combustion/booster motor runs creating a negative air pressure.

For replacement tubing, order part # B13-614.

Replaces 632365 & 632425.