632673 Nordyne Inducer Pressure Switch
632673 Nordyne Inducer Pressure Switch
Reestablish reliable combustion airflow monitoring with the genuine Nordyne 632673 inducer pressure switch. Engineered to precise factory tolerances, this switch ensures your furnace’s draft inducer motor meets the required venting pressure before allowing ignition, preventing false lockouts and unsafe operation.
Key Features
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Single-pole, single-throw (SPST) pressure switch for inducer verification
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1.13 in. W.C. actuation threshold for consistent draft confirmation
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Rugged ABS housing with corrosion-resistant diaphragm
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Panel-mount design for direct OEM fit
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Quick-disconnect terminals for fast wiring
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UL-listed for HVAC safety compliance
Technical Specifications
| Specification | Details |
|---|---|
| Part Number | 632673 |
| Switch Type | SPST (normally closed) |
| Cut-in Pressure | 1.13 in. W.C. |
| Maximum Pressure Rating | 5 in. W.C. |
| Connections | 1/4 in. OD push-on fitting |
| Operating Temperature | –20 °C to 85 °C |
| Housing Material | ABS plastic |
| Approvals | UL Listed |
Compatibility
Fits Nordyne, Miller, Intertherm, and Neuco high-efficiency gas furnaces and condensing units that require a 1.13 in. W.C. draft confirmation switch, including:
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M-series condensing furnaces (M3R, M4R, M6R, M8R, M9R in L/D/U/H orientations)
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Single-stage mobile-home gas furnaces (M1 and M2 series)
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Coleman/Comfortmaker rooftop units with integrated inducer assemblies