MP2168 | Honeywell Furnace Air Pressure Switch IS20275-5371 2.48" WC PF

Honeywell · HMIs & Displays

Description The Trane MP2168 is an OEM pressure switch designed for use in residential and light-commercial furnace systems. Its primary function is to verify proper airflow and induced draft operation before ignition. This switch ensures safe furnace startup by monitoring negative pressure conditions in the combustion system. It is commonly installed in Trane HVAC units to maintain compliant, reliable heating performance.     Technical Specifications  Condition New / Never Used Surplus Brand Trane Category HVAC Components Part Number MP2168 Subcategory Furnace Pressure Switch Switch Type Negative-pressure safety switch Function Monitors inducer draft and allows ignition sequence Setpoint Factory-calibrated (model-specific low-pressure cut-in) Electrical Rating Low-voltage furnace control circuit (24 VAC) Ports Single or dual-port configuration depending on furnace model Mounting Style Standard bracket mounting Diaphragm Material Heat- and moisture-resistant polymer Compatibility Selected Trane residential gas furnaces Application Ensures safe burner operation by verifying combustion airflow Build Design Lightweight sealed housing for consistent pressure response       Information About MP2168 The MP2168 is an original Trane furnace pressure switch engineered to meet the manufacturer’s exact airflow and safety specifications. This component monitors the pressure generated by the inducer motor and signals the control board when adequate draft is present. Built with durable internal diaphragms and factory-calibrated setpoints, the switch provides accurate, repeatable operation in variable heating environments. Its OEM design guarantees full compatibility with a wide range of Trane furnace models, ensuring proper fit and dependable system response. By confirming safe combustion airflow, the MP2168 helps prevent furnace lockouts and improves overall operational safety and efficiency. Key Features: OEM Construction: Genuine Trane component designed to match original furnace specifications. Safety Function: Confirms proper negative pressure before burner ignition. Airflow Monitoring: Works with the inducer assembly to verify adequate draft. Precise Calibration: Factory-set pressure thresholds for accurate switching. Durable Diaphragm: Built to withstand temperature fluctuations and long-term cycling. Reliable Contacts: Provides consistent signal feedback to the furnace control board. Compatibility: Fits multiple Trane residential forced-air furnaces. Easy Integration: Standard mounting configuration for quick service replacement. Performance Stability: Maintains sensitivity even in high-humidity or dusty environments. Electrical Rating: Supports low-voltage furnace control circuits. Application Scope: Suitable for natural gas and propane HVAC heating systems. The MP2168 delivers the reliability and safety performance required for modern Trane furnace installations.

Brand: Honeywell · Category: HMIs & Displays

Key features

• OEM Construction: Genuine Trane component designed to match original furnace specifications.
• Safety Function: Confirms proper negative pressure before burner ignition.
• Airflow Monitoring: Works with the inducer assembly to verify adequate draft.
• Precise Calibration: Factory-set pressure thresholds for accurate switching.
• Durable Diaphragm: Built to withstand temperature fluctuations and long-term cycling.
• Reliable Contacts: Provides consistent signal feedback to the furnace control board.
• Compatibility: Fits multiple Trane residential forced-air furnaces.
• Easy Integration: Standard mounting configuration for quick service replacement.
• Performance Stability: Maintains sensitivity even in high-humidity or dusty environments.
• Electrical Rating: Supports low-voltage furnace control circuits.
• Application Scope: Suitable for natural gas and propane HVAC heating systems.

Specifications

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