Armstrong Air® 63W40 2-Stage Pressure Switch, 0.2/0.4 Inch WC
SKU: 75803
Manufacturer part number: 63W40
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Armstrong Air® Pressure Switch, 2-Stage, For Use With: G24M2-45A-6 and G24M4/5X-120S-6 Model Furnaces, 0.2/0.4 Inch WC