Carrier 300483 - OEM Furnace 3" Limit Switch L230-40

190-230F AUTO Limit Switch

Mitsubishi 3" Limit Switch L230-40 190-230F AUTO

The Carrier 300483 OEM Furnace is a Limit Switch in the Gas Valve. It has a C-Face frame, L230-40 mounting dimensions, 3" rating, and 190-230F temperature range. This part ships without any warranty at all.

The Carrier OEM Furnace Limit Switch is used in older Carrier furnaces. In many cases, the pilot light goes out on a furnace due to a faulty limit switch or thermostat. The limit switch has an auto switch that activates whenever the temperature reaches a certain point. If the switch senses that the temperature is too high, then it tells the furnace to turn off.

This Carrier Limit Switch is an OEM product and replaces part numbers 300483, 4382889, 61204012-110. This product is a sturdy 3 inch limit switch. This product series has a typical installation of mounting on a stoker or burner on the gas furnace. The location of the seal is facing the airflow direction (from front to back only). This unit is normally installed for low temperature applications where temperatures above 180F are needed.

Limit Switches: The ELCO Limit Switch, type L230-40, will open at a temperature of 190°F and close at a temperature of 230°F.

The Carrier 300483 is our Carrier OEM Furnace Limit Switch. Measures 3" in length. Our replacement limit switch switch part is used to stop the furnace or air handler blower from running when a thermostat has reached its set temperature. This limit switch is a low voltage AC control with a sealed coil and thermistor connections for the Honeywell Performa series stat, Tridium T-Max stat, Beckett accustat stat and new furnace models MD-9340, MD-9441 and R-410a furnaces.

The Carrier OEM Furnace Limit Switch, L230-40 limits the start-up temperature of your gas forced air furnace to protect local fuel supply lines. This durable switch contains a self cleaning sensor that quickly responds to changing temperatures and adjusts automatically to maintain a safe setting.