Lennox 18K43 Interrupteur De Limite, Réinitialisation Automatique, Température De Coupure 270, Température De Découpe 300
Fabricant:
Fabricant n°:
18K43
N° de pièce Parts Town:
LEN18K43
Unités:
Chaque
Adapté aux modèles:
Lennox 18K43 Pièce détachée
A Lennox 18K43 Limit Switch interrupts the circuit at unsafe temperatures and restores function once conditions return to range.
- Opting for real OEM switches and buttons reduces unexpected failures by responding accurately under heat so your equipment stays up and running
- Fits Popular Models: GHR26Q2/3-50-01, GHR26Q3-75-01, GHR26Q3-75-02
- Product Type: Limit Switch
- Switch Action: Auto Reset
- Cut in Temperature: 270
- Cut Out Temperature: 300
Common Questions and Answers
What purpose does the Lennox 18K43 Limit Switch fulfill in the system?
The limit switch monitors operating temperature and interrupts or restores the circuit at its rated thresholds to protect the heating and cooling unit from excessive heat. Its auto-reset action and specific cut-in and cut-out temperatures provide dependable response without manual intervention, which matters for maintaining safe, consistent operation in the HVAC system.
What changes in performance might suggest that the Lennox 18K43 Limit Switch should be replaced?
The limit switch might need replacement if the system cycles irregularly, shuts down on temperature more often than expected or could fail to restore normal operation after overheating conditions pass. Physical signs can include visible wear, discoloration or damaged terminals and environmental signs may include exposure to excessive heat buildup, dust or moisture around the heating and cooling equipment.
Read More FAQs
How soon will my Lennox 18K43 Limit Switch ship?
Parts Town offers same-day shipping on in-stock real OEM HVAC parts Monday—Friday until 9 PM ET and on Saturday until 4 PM ET for online air orders. We work hard to make shipping as quick and reliable as possible on every order.
Will I be able to track my Lennox 18K43 Limit Switch once it ships?
Yes! You can check shipping details on your real OEM HVAC replacement parts by going to our Track My Order page and submitting your order number or purchase order (PO) number with your zip code. This info is accessible 24/7, so it's easy to stay up to date on the delivery status of your order once it ships.
Does Parts Town provide customer assistance for the Lennox 18K43 Limit Switch?
Definitely! We provide multiple ways to get assistance with your real OEM heating and cooling replacement parts 8 AM to 9 PM ET Monday—Friday with chat, email and phone among the options. Go to our Contact Us page to see all the ways to reach us—we'll get back to you as soon as possible.
What's Parts Town's return policy for the Lennox 18K43 Limit Switch?
We allow you to return most new, unopened real OEM heating and cooling replacement parts within 90 days of delivery, so go to our Returns page and see if your order qualifies. To get started, use your sales order number and billing postal code to find out which items are eligible.