L250-30F Auto Reset Limit Switch – Thermostat Replacement Part
L250-30F Auto Reset Limit Switch – Thermostat Replacement Part
L250-30F Auto Reset Limit Switch – Reliable Thermostat Replacement Part
Keep your home heating system running safely and efficiently with this L250-30F Auto Reset Limit Switch. Designed as a direct replacement for a wide range of compatible heating units, this metal-constructed component offers dependable overheat protection and automatic resetting — no manual intervention required.
Key Features
- Automatic Reset Function: Remains closed (continuous) during normal operation. Disconnects at 250°F to cut power and prevent overheating, then automatically resets and closes once the temperature cools to 220°F — no manual reset needed.
- Durable Metal Construction: Built from heat-resistant metal for long-lasting performance in demanding heating environments.
- Easy Installation: Simple, tool-friendly design allows replacement in just a few minutes.
- Broad Compatibility: Suitable for a wide range of models including ADS81155CNA, ADS81155CXA, DDS81155CXA, GDH80453AX, GDH80453AXAA, GDH80453AXAB, GDH80453AXAC, GDH80703AX, GDH80703AXAA, GDH80703AXAB, GDH80703AXAC, GDH81155CX, GDH81155CXAA, GDH81155CXAB, GDH81155CXAC, and GDS81155CN.
- Protects Your System: Effectively prevents overheating, helping to safeguard your heating equipment from thermal damage.
Specifications
| Material | Metal |
| Dimensions | Approx. 5 × 3.8 cm / 2 × 1.5 inches |
| Trip Temperature | 250°F (disconnect) / 220°F (reset) |
| Reset Type | Automatic |
| Package Includes | 1 × Limit Switch |
| Country of Origin | Made in Mainland China |
Compatible Models
ADS81155CNA · ADS81155CXA · DDS81155CXA · GDH80453AX · GDH80453AXAA · GDH80453AXAB · GDH80453AXAC · GDH80703AX · GDH80703AXAA · GDH80703AXAB · GDH80703AXAC · GDH81155CX · GDH81155CXAA · GDH81155CXAB · GDH81155CXAC · GDS81155CN
Note: Please allow 1–2 cm tolerance due to manual measurement. Colors may vary slightly between monitors and actual product.
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Frequently Asked Questions
Q: What does the L250-30F auto reset limit switch do in a heating system?
A: The L250-30F limit switch monitors the temperature in your heating unit. It stays closed during normal operation, automatically disconnects power at 250°F to prevent overheating, and resets itself once temperatures drop back to 220°F — protecting your system without any manual reset required.
Q: Which heating unit models is this limit switch compatible with?
A: This limit switch is compatible with a wide range of models including ADS81155CNA, ADS81155CXA, DDS81155CXA, GDH80453AX series, GDH80703AX series, GDH81155CX series, and GDS81155CN. Please verify your model number before purchasing to ensure compatibility.
Q: How difficult is it to install the L250-30F limit switch?
A: Installation is straightforward. The component is designed for easy DIY replacement and can typically be swapped out within a few minutes with basic hand tools — making it a convenient upgrade or repair option for home heating systems.
Production & Packaging Notice
To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.