Lennox 51M86 - Pressure Switch
The Lennox 51M86 Pressure Switch is a vital safety and control component designed to monitor and regulate the pressure levels within your HVAC system. Engineered for compatibility with select Lennox furnaces and air handlers, this pressure switch ensures proper airflow and combustion conditions by detecting pressure changes in the venting system and signaling the control board when conditions are outside safe operating limits.
Key Features:
- Model: 51M86
- Function: Air pressure monitoring and safety control
- Application: Used to verify inducer operation and vent pressure integrity
- Switch Type: Single-pole, single-throw (SPST)
- Operation: Closes or opens based on pre-set pressure thresholds to ensure safe system function
- Construction: Durable plastic and metal housing for long-term reliability
- Electrical Rating: Compatible with standard furnace control board voltages
- Mounting: Designed for easy installation in factory-drilled ports
Benefits:
- Reliable Safety Assurance: Prevents furnace operation under unsafe pressure conditions, helping to avoid system malfunctions and hazardous situations.
- OEM Precision Fit: Direct replacement for existing Lennox 51M86 pressure switches, ensuring seamless integration and accurate performance.
- Critical Diagnostic Tool: Supports system diagnostics by indicating proper venting and inducer fan operation.
Compatibility:
The 51M86 Pressure Switch is compatible with various Lennox models. For exact fitment, always refer to the furnace model number or consult Lennox’s official parts documentation.
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Beenimax.com offers only genuine OEM Lennox components like the 51M86 Pressure Switch, ensuring peak system performance and manufacturer-grade reliability. Trusted by contractors and homeowners alike, our inventory is backed by fast shipping and excellent customer support.