Lennox 33W86 - SPST 175f-close Limit Switch
Lennox 33W86 – SPST 175°F-Close Limit Switch
(High Limit Temperature Control – Precision Safety for HVAC Systems)
The Lennox 33W86 is a high-performance, SPST (Single Pole Single Throw) limit switch engineered to close its electrical contacts when the sensed temperature drops to 175°F, making it a critical component in protecting heating systems from overheating or unsafe operation. As part of Lennox’s OEM-approved safety lineup, this switch ensures consistent and accurate thermal control in furnaces and heating units.
Technical Specifications:
- Type: SPST (Single Pole Single Throw)
- Temperature Close Rating: 175°F (closes on temperature drop)
- Operation: Manual reset not required – automatic action
- Mounting: Surface mount with integrated bracket for secure installation
- Leads/Terminals: Quick-connect terminals for fast and reliable wiring
- Switch Action: Open on rise / Close on fall (at 175°F)
Key Features & Benefits:
- Temperature Precision: Calibrated to close at exactly 175°F, ensuring controlled re-engagement of blower operation or fan circuits during cool-down cycles.
- Critical Safety Function: Serves as an over-temperature protector—interrupts power to heating elements or blowers when safe temperature limits are exceeded.
- Durable OEM Construction: Built to Lennox’s strict standards for longevity, heat resistance, and mechanical reliability.
- Fast Installation: Designed for straightforward installation with standard mounting holes and universal electrical connections.
- System Compatibility: Compatible with various Lennox models and adaptable to other HVAC systems requiring similar temperature control.
Common Applications:
- Gas furnaces and electric heating units
- Overheat protection for heat exchangers
- Reheat coil systems
- Fan-on/fan-off control circuits
- Supplemental safety systems in commercial and residential HVAC setups
Why Choose OEM Lennox 33W86?
Using a genuine Lennox part ensures your system performs to factory specifications without compromising on safety or efficiency. The 33W86 switch is ideal for both routine replacements and emergency repairs, helping restore HVAC operation quickly while maintaining strict safety compliance.
Keep your heating system protected and running at peak performance—trust the Lennox 33W86 Limit Switch for dependable temperature control.
Available now at Beenimax.com.
| Package Quantity | 1 Item |
|---|---|
| Item Returns | This item can be returned |
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