HH18HA498 – AUTO LIMIT SWITCH (MICRO, LARGE BASE, L210°)
$22.97
Carrier HH18HA498 auto-reset limit switch. Micro size with large base, opens at 210°F. Shuts off the furnace burner if the heat exchanger gets too hot.
10226 Plano Rd, Suite 104, Dallas TX 75238
Questions? Call or text (214) 340-9421
Mon–Fri 10 am – 7 pm | Sat 10 am – 3 pm
Description
If your furnace is short-cycling (turning on and off repeatedly), a failed limit switch or pressure switch may be the cause. The limit switch monitors heat exchanger temperature and shuts off the burner if it gets too hot — protecting the heat exchanger from cracking. This auto-reset model restores operation after it cools down. The HH18HA498 is a Carrier OEM part.
Specs: Auto-reset, opens at 210°F (L210), micro size with large base, SPST
Replaces: HH18HA498
Fits: Carrier, Bryant, and Payne furnaces
Need help? See our Furnace Short Cycling Guide.
In stock at Open To Public HVAC Parts in Dallas. We test parts at the counter before you buy. Call or text (214) 340-9421.





