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.
HH18HA148 – AUTO LIMIT SWITCH (MICRO, LARGE BASE, L150°)
$23.61
Carrier HH18HA148 auto reset limit switch, opens at 150°F. Large base, micro size. Crosses to 20162904S. OEM for Carrier, Bryant, and Payne systems.
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 limit switch opens at 150°F. Large base, micro size design. Also crosses to part number 20162904S.
Specs: Opens at 150°F, auto reset, micro size with large base, SPST
Replaces: HH18HA148, 20162904S
Fits: Carrier, Bryant, and Payne furnaces and systems that call for part number HH18HA148 or 20162904S. Bring your model number — we’ll verify at the counter.
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.
