Description
The Lennox 69M38 is an OEM AUTO (automatic reset) limit switch engineered to protect furnaces and heating systems from unsafe high-temperature conditions. With a trip range of 105–135°F, this limit switch monitors heat exchanger temperatures and automatically interrupts the burner circuit when temperatures exceed the safe threshold — then resets automatically once temperatures return to a safe level.
Key Features
- AUTO (automatic reset) operation for convenient, hands-free recovery
- Trip temperature range: 105–135°F for precise overheat protection
- OEM Lennox replacement part — designed for direct, drop-in compatibility
- Interrupts burner circuit on high-temperature events to prevent heat exchanger damage
- Durable construction built to withstand repeated thermal cycling
Application
The Lennox 69M38 limit switch is a direct OEM replacement for compatible Lennox furnace models. It is designed for use in residential and light-commercial forced-air heating systems where reliable high-limit protection is essential for safe operation and equipment longevity.
Why Choose an OEM Limit Switch?
Using a genuine Lennox replacement limit switch ensures proper calibration, correct fit, and reliable performance. Aftermarket substitutes may not meet the precise temperature specifications required for safe furnace operation. The 69M38 delivers the exact protection your Lennox system was designed around.
Specifications
- Brand: Lennox
- Part Number / SKU: 69M38
- Switch Type: AUTO (Automatic Reset) Limit Switch
- Temperature Range: 105–135°F
- Application: Furnace high-limit protection
Reviews
There are no reviews yet.