Trane THT2436 Automatic Reset Limit Switch 170 Degree Fahrenheit Open 140 Degree Fahrenheit Close For HVAC Furnace Systems
Why you'll like it
- Thermal Protection — Automatically opens the electrical circuit at 170 degrees Fahrenheit to prevent severe system overheating and potential damage.
- Automatic Reset Functionality — Closes the circuit once the internal temperature drops back to a safe 140 degrees Fahrenheit for seamless continued operation.
- Versatile HVAC Compatibility — Designed for residential and commercial furnaces or air handlers requiring a Single-Pole Single-Throw configuration switch.
- Direct Successor Replacement — Serves as an exact compatible replacement for older legacy component models including the 1NT21L-2163.
- Straightforward Installation — Features a standard black plastic housing equipped with two electrical terminals for efficient wiring connections.
Product details
Description
Maintain the optimal safety and performance of your residential or commercial HVAC system with this mission-critical high limit switch. Designed as a direct replacement component for furnaces and air handlers, this automatic reset safety control effectively prevents equipment overheating. It features a Single-Pole Single-Throw configuration, calibrated precisely to open the electrical circuit when internal temperatures reach 170 degrees Fahrenheit. Once the system cools down to a safe 140 degrees Fahrenheit, the switch automatically resets by closing the circuit, restoring normal operation without requiring manual intervention.
Ideal for HVAC technicians, maintenance professionals, and experienced repair personnel, this replacement limit switch acts as a direct successor to older legacy models like the 1NT21L-2163. The durable black plastic housing includes two standard electrical terminals for straightforward wiring connections. Utilizing exact manufacturer replacement parts ensures precise compatibility, reliable temperature regulation, and overall system longevity. Whether you are addressing specific fault codes related to furnace temperature regulation or performing routine preventative maintenance on compatible air handlers, this component provides the essential thermal protection required for safe daily operation.
How to use
- Professional installation by a certified HVAC technician is highly recommended.
- Always disconnect the main power supply to the furnace or air handler before attempting replacement.
- Locate the existing faulty switch, carefully disconnect the wiring, and mount the new limit switch.
- Reattach the wires to the two electrical terminals on the black plastic housing and restore power to test the system.
Ingredients
Polycarbonate plastic housing, metal electrical connection terminals, bimetallic temperature sensing thermal disc.
As printed by the brand. Check the pack label if you have an allergy.
Specifications
| Brand | Trane |
|---|---|
| Ships from | USA (sourced directly), checked in Navi Mumbai |
| Sold by | Dropy.in |
Ratings & reviews
From our customers
FAQs
What is the Trane THT2436 limit switch used for?
This component is a critical safety control device used in HVAC systems, such as furnaces and air handlers. It prevents equipment overheating by cutting off the electrical circuit when internal temperatures rise too high.
At what temperatures does this limit switch open and close?
The switch is designed to automatically open the electrical circuit at 170 degrees Fahrenheit to stop heating. It will then reset and close the circuit once the temperature cools down to 140 degrees Fahrenheit.
Does this switch require manual resetting after it trips?
No, this specific model features an automatic reset function. The Single-Pole Single-Throw switch automatically closes the circuit and resumes normal operation once the equipment reaches a safe operating temperature.
How can I ensure this is an authentic USA imported part available in India?
Dropy directly sources all exact manufacturer components, including this HVAC replacement part, directly from authorized suppliers in the USA. This guarantees that you receive an authentic, high-quality component delivered to you in India.
Which older switch models does the THT2436 replace?
This model serves as the direct successor and replacement for legacy models, including the 1NT21L-2163, commonly found in older furnaces and air handler units.
How long will delivery take?
Most orders arrive in 15–20 days: we source each product directly from the USA, check it at our Navi Mumbai warehouse and pack it on video. Items marked Dropy Express ship from our India warehouse and arrive in 3–5 days.
Is cash on delivery available?
Full cash on delivery is available all over India on Dropy Express items. For other orders from ₹2,499 to ₹15,000 you can use Partial COD: pay 25% online now and the rest in cash on delivery.
Are your products genuine?
Yes. Every product is 100% authentic, sourced directly from the USA, quality-checked and packed on video at our Navi Mumbai warehouse.
What if my order arrives damaged or wrong?
Write to us at [email protected] as soon as it arrives. Damaged, wrong or not as described, our Buyer Protection gives you a full refund. The details are in our Return, Refund & Cancellation Policy.
Is delivery free?
Delivery is free on orders from ₹1,499. Below that a ₹79 delivery fee applies.