New Arrivals/Restock

SWT01277 Furnace Limit Switch Replaces - for Trane American Standard Safety Device Equipment SWT1277 - Home Improvement Furnace Limit Switch Replacement Parts - 3"

flash sale iconLimited Time Sale
Until the end
12
10
13

US$41.39 cheaper than the new price!!

Free shipping for purchases over $99 ( Details )
Free cash-on-delivery fees for purchases over $99
Please note that the sales price and tax displayed may differ between online and in-store. Also, the product may be out of stock in-store.
Used  US$27.60
quantity

Product details

Management number 218622750 Release Date 2026/05/03 List Price US$27.60 Model Number 218622750
Category

This furnace limit switch is engineered to deliver reliable thermal protection and seamless integration into residential heating systems. Acting as a critical safety component, it monitors furnace temperature and automatically disconnects the burner when unsafe heat levels are detected, preventing equipment damage and mitigating fire risks. The switch’s precision calibration ensures consistent performance across varying operating conditions, restoring optimal safety to aging or faulty furnaces. Crafted for universal compatibility, it replaces worn-out switches in most gas, electric, or oil-based systems. The compact yet rugged construction utilizes heat-resistant alloys and ceramics to withstand temperatures exceeding standard operational limits, ensuring longevity even in high-stress environments. Installation is streamlined for DIY efficiency: disconnect the existing wiring, remove the mounting screws, align the new switch, and reconnect the terminals—typically completed within minutes. The hermetically sealed design prevents dust infiltration and moisture damage, reducing maintenance needs. Homeowners will appreciate its role in eliminating erratic shutdowns, uneven heating, or burner failure caused by degraded switches. For HVAC technicians, it offers a cost-effective solution to extend furnace lifespan without full system replacements. This component is indispensable for maintaining safe, efficient home heating—ideal for those prioritizing system reliability and proactive hazard prevention.

  • SWT01277 Furnace Limit Switch Replaces - for Trane American Standard Safety Device Equipment SWT1277 - Home Improvement Furnace Limit Switch Replacement parts - 3"
  • For a precise fit and wise selection. Our trusted accessories keep your tools running smoothly. Please confirm your model above before ordering. Double-check dimensions and photos for the right fit.
  • Quality assurance :Well-designed, excellent processing. Made of highly durable materials, rigorously
  • This is a manufacturer substitution. Functional equivalent to prior parts.Product Description Well-designed, excellent processing.tested, compact & sturdy, longevous.
  • Ultra Durable, Quality Replacement.Made from durable high quality material and well-tested by the manufacturermade from durable high quality material and well-tested by the manufacturer
Model SWT01277
Terminal Blade
Brand Name Generic
Part Number SWT01277
Switch Type Bipolar Transistor
Circuit Type 1-way
Contact Type Normally Closed
Manufacturer China
Material Type Acrylonitrile Butadiene Styrene
Mounting Type DIN Rail Mount
Connector Type Clamp
Current Rating 0.01 Amps
Operation Mode OFF-NONE-ON
Item Dimensions 0.01 x 0.01 x 0.01 inches
Number of Items 1
Contact Material Aluminum
Operating Voltage 0.01 Volts
Specification Met ANSI C-73
Included Components SWT01277 Furnace Limit Switch
Number of Positions 1
Warranty Description 30 days warranty
Lower Temperature Rating 0.01 Degrees Celsius
Upper Temperature Rating 0.01 Degrees Celsius
International Protection Rating IP00

Correction of product information

If you notice any omissions or errors in the product information on this page, please use the correction request form below.

Correction Request Form

Product Review

You must be logged in to post a review