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National HVAC Parts

Universal Furnace Limit Switch 160°F — High Temperature Safety Cutoff

SKU: NHVAC-LS-160 Brand: National HVAC Parts
$14.99 $22.99

Order before 3PM CST — ships same day.
Standard delivery 2-5 business days. Express options at checkout.

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Universal 160°F high-limit switch for gas furnaces. The limit switch is a critical safety device that shuts off the gas burners if the heat exchanger gets too hot — preventing cracking and fire hazard.

Symptoms: Furnace starts then shuts off after a few minutes, short-cycling, error code for limit switch open, furnace runs but blower doesn't (limit trips from overheating).

  • Temperature: Opens at 160°F
  • Type: Manual or auto-reset
  • Application: Most residential gas furnaces
  • Warranty: 1-year

Install difficulty: 2/5 — Power off. Remove 2 wires. Unclip old switch from heat exchanger. Clip in new switch, reconnect wires. 10 min.

Shipping Information

  • Orders placed before 3PM CST ship same business day
  • Standard delivery: 2-5 business days
  • Express shipping available at checkout
  • Free shipping on orders over $75
  • Tracking number emailed upon shipment

Return Policy

  • 30-day returns on unused parts in original packaging
  • Electrical parts (capacitors, contactors, control boards) are final sale once installed
  • Email info@nationalhvacparts.com to initiate a return
  • Refunds processed within 5-7 business days

Frequently Asked Questions

Does this Limit Switch fit my National HVAC Parts Universal Furnace Limit Switch 160°F — High Temperature Safety Cutoff?
Yes. This is the factory-specified OEM limit switch for the National HVAC Parts Universal Furnace Limit Switch 160°F — High Temperature Safety Cutoff. It is a direct drop-in replacement that fits without modification. Always verify the model number on your equipment nameplate before ordering.
How do I replace the limit switch on my National HVAC Parts Universal Furnace Limit Switch 160°F — High Temperature Safety Cutoff?
Refer to your equipment service manual for model-specific steps. General approach: turn off power, photograph connections, remove old part, install new part, restore power and test. For gas components, hire a licensed technician. Email info@nationalhvacparts.com for guidance.
What symptoms mean I need a new limit switch?
Common symptoms: unusual noises, intermittent operation, complete failure, or visible damage. Visit our diagnostic hub for symptom-based troubleshooting.
Is this limit switch compatible with Bryant or Payne too?
Many National HVAC Parts parts are cross-compatible with Bryant and Payne since all three brands are manufactured by Carrier Global Corporation. The same physical part is often used across brand labels with different model numbers. To verify: check your Bryant or Payne equipment service manual for cross-compatible part numbers, or email info@nationalhvacparts.com with your model number.
Should I use OEM or aftermarket for my National HVAC Parts limit switch?
OEM recommended for reliability and warranty compatibility. OEM parts match exact factory specifications for proper fit, performance, and safety. While aftermarket alternatives cost less upfront, the risk of improper fit and reduced lifespan usually makes OEM the better value long-term.
How fast does National HVAC Parts ship?
Orders placed before 3:00 PM CST ship the same business day. Standard delivery is 2–5 business days anywhere in the continental United States. Express shipping available at checkout. We ship from Houston, TX to all 50 states. 30-day return policy on all parts.
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