Description
The Lennox 69W58 is an OEM two-stage pressure switch designed for use in Lennox furnace and heating systems that require precise pressure monitoring across two stages of operation. With setpoints of 30 and .75 (inches W.C.), this switch provides reliable differential pressure sensing to confirm proper inducer and combustion airflow before allowing ignition to proceed — a critical safety function in modern two-stage gas furnaces.
As a genuine Lennox replacement part, the 69W58 is engineered to exact factory specifications, ensuring seamless compatibility and dependable performance in the systems it was designed for. Proper pressure switch function is essential to safe furnace operation: if the switch fails to detect adequate airflow, it will prevent the burners from firing, protecting against dangerous flue gas backdrafting and incomplete combustion.
Key Features
- Two-stage pressure switch design for dual-stage furnace systems
- Setpoints: 30 and .75 (inches W.C.) for accurate stage-specific pressure monitoring
- OEM Lennox replacement part — engineered to factory specifications
- Monitors inducer and combustion airflow as a primary safety interlock
- Prevents ignition if proper airflow is not confirmed, guarding against flue gas backdraft
- Direct drop-in replacement for compatible Lennox furnace models
Application
- Designed for use in Lennox two-stage gas furnaces
- Replaces failed or faulty OEM pressure switches
- Suitable for residential and light commercial heating applications
Why Choose OEM Lennox Parts?
Using genuine Lennox replacement components like the 69W58 ensures your system operates within designed safety parameters, maintains warranty compliance where applicable, and reduces the risk of callbacks from improper fitment or premature failure associated with aftermarket alternatives.
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