| Distributor | Stock | Pricing | MOQ | PKG | Lead Time | Date Code | On Order Quantity | On Order Delivery | |
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5 pcs
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5 pcs | On Request | 1 | On Request | On Request | 2026-02-25 06:16:38 | On Request | On Request |
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The White Rodgers 3L12-220 Limit Switch is a crucial safety component for gas-fired furnaces, unit heaters, and rooftop units. It features a precision bimetal disc that opens the circuit at a fixed 220°F, providing essential protection against flame rollout or overheating.
This SPST switch requires manual reset, ensuring that a technician inspects the system for underlying issues before operation can resume. It is rated for electrical loads up to 15A at 120VAC and 10A at 240VAC, offering reliable switching for demanding applications.
Designed as a direct replacement for part number 20058704, the 3L12-220 integrates seamlessly into existing White Rodgers control systems. Its disc mount design facilitates installation in various HVAC equipment.
Professional installation is recommended to ensure proper positioning for detecting airflow issues or combustion failures, maintaining strict HVAC safety compliance.
| Qty | Low | High |
|---|---|---|
| 1+ | $0.99 | $0.99 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The limit switch has a fixed setpoint of 220°F.
No, the 3L12-220 is a manual reset switch. It requires a technician to manually depress a button to restore operation after tripping.
The switch is rated for 15A at 120VAC and 10A at 240VAC.
It is a Single Pole Single Throw (SPST) switch.
It is a direct replacement for part number 20058704.