Lennox 13P95 Fan Limit

The Lennox 13P95 Fan Limit is a critical OEM replacement part designed for integration within Lennox furnaces, rooftop units (RTU), and packaged heating systems. This combination fan and limit controller features a fixed 180°F high limit safety to protect the heat exchanger from thermal stress and a field-adjustable fan switch for precise airflow management. Engineered by Honeywell (MPN: L4064B2236) for Lennox, it utilizes an 8-inch insertion probe to monitor internal plenum temperatures with high accuracy. This unit is a direct replacement for the legacy Lennox 13P9501 and serves as a functional alternative for several older part numbers, including 74H67 and 69H17. It supports multiple wiring configurations via push-in receptacles and auxiliary screw terminals, ensuring high compatibility with various forced-air systems. For technicians upgrading from a 15P38, please note that current 13P95 units do not include electric heat start-up terminals; unused leads should be capped individually to maintain system integrity while ensuring reliable high limit protection and fan cycle control.

• Controls both the blower fan and high-temperature safety limit within a single, robust HVAC control switch.
• Equipped with an 8-inch element for optimal temp-sensing depth in residential and commercial plenums.
• Manual fan switch allows for continuous blower operation, aiding in air filtration and troubleshooting.
• Features a 180-degree Fahrenheit limit to prevent equipment damage and ensure safe furnace operation.
• Broad compatibility across Lennox G10, G11, and 78RGF series heating equipment.

Is the Lennox 13P95 compatible with the 13P9501?
Yes, these parts are identical and interchangeable in all standard Lennox applications requiring an 8-inch insertion length.

What is the purpose of the manual fan switch on this unit?
The manual override allows contractors to keep the blower running regardless of the temperature settings, which is essential for verifying motor operation or providing constant air circulation.

Can I use this to replace a different length fan limit switch?
No, the 8-inch probe length is specific to the plenum clearance of your unit; using a different length may result in inaccurate temperature readings or physical interference with the heat exchanger.

This item is not eligible for free shipping.

Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.