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.
AT014 – ADJUSTABLE DISC LIMIT SWITCH (210° to 250°)
$22.91
Supco AT014 adjustable disc limit switch, 210°F to 250°F range. SPST open-on-rise. Crosses to PT014. Universal fit for furnaces and heating equipment.
Mon–Fri 10 am – 7 pm | Sat 10 am – 3 pm | In-Store Pickup Only
Description
If your furnace is short-cycling (turning on and off repeatedly), a failed limit switch may be the cause. This adjustable disc limit switch covers the 210°F to 250°F range, letting you dial in the exact temperature cutoff. SPST, open-on-rise design.
Specs: Adjustable range 210°F–250°F, SPST open-on-rise, disc type
Replaces: AT014, ELE-AT014, PT014
Fits: Universal — used in furnaces, unit heaters, and other heating equipment that need an adjustable limit switch in the 210–250°F range.
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.
