Furnace Fan Limit Control Switch Replacement

Empire r1156 fan limit switch 165 degree.

Furnace fan limit control switch replacement.

The most common reasons for replacing the switch are. In a forced air heating system the blower motor fan in a gas or oil fired furnace turns on in response to the setting of the fan limit switch. Here is the difference between the l4064b and l4064r excerpting from the document above. Other options new from 112 59.

The limit switch energizes the fan circuit when warm air in the plenum of the furnace reaches a preset temperature. Fan control limit switch the fan switch reads the temperature inside a furnace and once the temperature becomes warm enough turns the blower motor on sending warm air into a home. You can change a limit switch with a. The limit switch is a safety switch that monitors t.

5 0 out of 5 stars 6. Only 4 left in stock order soon. L4064a1339 honeywell oem furnace 5 replacement combination fan limit switch renewed 5 0 out of 5 stars 1. These combination warm air fan and limit controllers are suitable for various types of forced air heating systems.

4 6 out of 5 stars 47. This video provides step by step instructions for replacing the safety limit switch on lennox furnaces. L4064b2210 honeywell oem furnace 11 replacement combination fan limit switch. This video will help you to diagnose and replace a faulty limit control on your gas furnace.

Honeywell limit controller l4064b2236 u l4064 30. Other options new from 109 91. This is used so that cold air is not blown into a house waiting for the gas flames to heat up enough before the blower turns on. This l4064b l4064r limit controller is a universal replacement for older furnace fan limit controllers.