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.
SLS150 – AUTO LIMIT SWITCH (MICRO, L150°)
$15.01
Supco SLS150 auto reset micro limit switch, opens at 150°F, closes at 110°F. Compact design with angled terminals. Universal fit for furnaces and unit heaters.
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 auto-reset switch opens at 150°F and closes at 110°F. Compact micro size with 45° angled terminals. Resets itself automatically.
Specs: Opens at 150°F, closes at 110°F, auto reset, micro size, SPST, 45° angle 1/4″ terminals
Replaces: MAL150, SLS150
Fits: Universal — works in gas furnaces and unit heaters using a micro-base auto-reset L150 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.
