Description
Lennox 86M50 Pressure Switch Tubing — 31″
The Lennox 86M50 is an OEM replacement pressure switch tubing designed to maintain the integrity of the pressure sensing circuit in compatible Lennox heating systems. At 31 inches in length, this tubing provides the proper routing clearance needed to connect the pressure switch to the draft inducer or collector box, ensuring accurate differential pressure monitoring and dependable furnace operation.
Key Features
- OEM Lennox replacement part — SKU 86M50
- 31″ length for proper fit in compatible Lennox furnace applications
- Designed for use in pressure switch sensing circuits
- Connects pressure switch to draft inducer or collector box
- Helps maintain accurate pressure differential readings for safe furnace operation
- Durable construction to withstand typical HVAC operating conditions
Application
This tubing is a critical component in the pressure switch circuit of Lennox furnaces. A properly functioning pressure switch tubing ensures the furnace control board receives accurate signals from the pressure switch, preventing nuisance lockouts and protecting the heat exchanger. Always verify compatibility with your specific Lennox model before installation.
Installation Notes
- Replace tubing if cracked, kinked, or deteriorated
- Ensure all connections are secure and airtight at both ends
- Refer to your Lennox service manual for routing and installation guidance
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