If your furnace is short-cycling, check the filter first — a clogged filter causes the limit switch to trip. If the filter is clean, then the switch itself may be failing.
HH18HA499 – AUTO LIMIT SWITCH (MICRO, LARGE BASE, L165°)
$24.44
Carrier HH18HA499 auto reset limit switch, opens at 165°F, closes at 125°F. Large base, micro size. Crosses to HH18HA169, HH18HA508, 20162903. OEM Carrier part.
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 may be the cause. This Carrier OEM auto-reset switch opens at 165°F and closes at 125°F. Supersedes HH18HA169 and HH18HA508. Also crosses to 20162903.
Specs: Opens at 165°F, closes at 125°F, auto reset, micro size with large base, SPST
Replaces: HH18HA499, HH18HA169, HH18HA508, 20162903, 20162903SP
Fits: Carrier: 58PHA11012120; Bryant and Payne models calling for HH18HA499, HH18HA169, or HH18HA508.
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.
