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.
HH12ZB160 – HIGH LIMIT SWITCH (3″, L160°)
$41.90
Carrier HH12ZB160 high limit switch, 3-inch insertion, opens at 160°F. Auto reset. Crosses to Trane SWT01257. For Carrier, Bryant, Payne, and Trane furnaces.
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 3-inch high limit switch opens at 160°F and auto-resets when the temperature cools down. Crosses between Carrier and Trane OEM numbers.
Specs: Opens at 160°F, auto reset, 3-inch insertion, SPST
Replaces: HH12ZB160, SWT01257, SWT1257
Fits: Carrier/Bryant/Payne furnaces calling for HH12ZB160; Trane/American Standard models calling for SWT01257 or SWT1257. Also fits other brands using a 3-inch L160 high limit switch.
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.
