Furnace Fan Limit Control

A fan limit switch is a component of a furnace system that determines when the furnace blower assembly for hot air turns on and off.

Furnace fan limit control.

Get it as soon as fri sep 25. Only 11 left in stock order soon. The switch is one of the easier devices and attachments on a furnace. The fan limit switch also has two other functions.

Honeywell l4064b2236 combination fan and limit furnace control. Get it as soon as wed sep 30. More buying choices 88 00 17 new offers honeywell l4064b2210 fan and limit controller. Fan and limit control 8 limit control 14 multiple appliance interlock control 2 plenum thermostat 10 snap disc control 51 temperature transducer 3 thermostat 2 universal interlock control 1 warm air limit control 1 view all.

A step by step photo guide to testing combination fan limit switches on warm air furnace heating systems check this fan limit switch control if your furnace fan won t start won t turn on or won t stop runs continuously honeywell combination furnace control type l4064 explained in detail guide to troubleshooting heating system furnace. The fan limit control switch on a furnace regulates when the blower will come on or shut off. Technical hot and cold 38568 webb dr. However for your own safety don t attempt to reset the switch without first consulting your furnace s instruction manual.

Essentially this means that it determines when the hot air should be blown through your ventilation system. The function of your furnace limit switch is to tell the fan when to turn off and on depending on the temperature in the home. In many models it also has a built in safety control for the burner to shut off at higher temperatures if the burner s inner control malfunctions. Free shipping by amazon.

Free shipping by amazon. How to diagnose and repair the furnace fan limit switch. More buying choices 88 00 16 new offers honeywell l4064b2210 fan and limit controller. Westland michigan 48185 734 326 3900 888 828 8317.

An adjustable fan limit controller typically is designed for furnaces operating at temperatures from 100 f to 250 f has a fan off lower limit that can be adjusted from 50 f to 200 f a fan on switch adjustable from 65 f to 215 f and a fan high limit stop set at 200 f. 4 5 out of 5 stars 164. Just as it determines when the blower assembly should.