CNTRL,LIMIT,165/135(O/C),AUTO RESET
The York Limit Switch Assembly manufactured by York is a replacement part for your furnace. The Limit Switch Assembly L165 typically causes your furnace to shut off when the blower is not working. It also causes your furnace to turn on when the blower is not working. It activates when the temperature exceeds 165 degrees. If you hear relays clicking after the blower and compressor has shut off and before they would normally be turned back on it means that this switch may need to be replaced. This limit switch assembly fits models L150, L151 and L155 with size 165 amps and size 135 amps with an auto reset.
The York® 143966 limit switch is an OEM furnace part. This OEM limit switch has a 24 Volt diameter and features it has an auto reset.
The York 143966 Furnace Limit Switch is built to last in harsh conditions. The replacement switch helps keep central heating furnaces up and running in residential applications. With a high temperature limit of 165 Degrees Fahrenheit and control range of 135 to 170 F, these switches can withstand extreme temperatures.
This is a NEW York replacement limit switch for furnaces. It was used with York model number: 94V080, 94V081 137G42, 270G42 and many others. This is a common part that wears out and can trip the furnace off during operation.
The York Limit Switch is a two-wire, normally closed or normally open, 2-1/4 in diameter" bimetal switch. It is used to limit the ON time duration of the gas valve when operating from a programmable controller. Mounting hubs are furnished to mount the switch in a standard knockout. The limit switches also have a positive stop control action
Improved reliability, control and safety is available with the replacement of your furnace limit switch. This replacement for York furnaces is a genuine OEM product that comes complete with wiring. It has a built in automatic shut-off function to safeguard against over-temperature conditions, and is easy to install.
The York 143966 is a 3 inch replacement limit switch control for furnaces.