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Lennox 17U20 - Lennox 104371-10, Pressure Switch, Actuates at 1.00" W.C.

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SKU
17U20

Lennox 17U20 - Lennox 104371-10, Pressure Switch, Actuates at 1.00" W.C.

SKU
17U20
Brand:
Reviews (0)
$41.31
Out of stock

(special order is available)

Lennox 17U20 – Lennox 104371-10 Pressure Switch, Actuates at 1.00" W.C. 
 
 Product Description
 
The Lennox 17U20 (Lennox part 104371-10) is a precision-engineered furnace pressure switch designed to actuate reliably at 1.00 inch water column. This OEM Lennox pressure switch provides accurate airflow and draft monitoring to ensure safe burner ignition and consistent system performance. Built to Lennox manufacturing standards, it supports proper furnace operation by preventing startup when unsafe conditions are detected, helping protect key components and maintain long-term system reliability.
Ideal for service technicians and homeowners maintaining Lennox HVAC systems, the 17U20 pressure switch is a direct OEM replacement that restores correct furnace safety control without requiring adjustments or modifications. Its durable diaphragm and calibrated internal components deliver dependable actuation under a wide range of operating conditions.
 
Key Features
  • Genuine Lennox OEM pressure switch 104371-10
  • Actuation set point: 1.00" W.C.
  • Ensures safe ignition sequence and system airflow verification
  • High-accuracy diaphragm for consistent draft sensing
  • Direct replacement for compatible Lennox furnace models
  • Designed for long-term reliability and safety compliance
Applications
 
The Lennox 17U20 pressure switch is used in select Lennox gas furnaces and HVAC systems requiring a 1.00" W.C. actuation point for draft and combustion safety monitoring. It restores proper burner operation and prevents nuisance shutdowns caused by faulty airflow detection.
More Information
Package Quantity1 Item
Item ReturnsThis item can be returned