Induced Draft Fan Furnace

When your furnace begins a heating cycle the draft inducer is one of the first devices that turns on.

Induced draft fan furnace. Furnace draft inducer motor replacement when it comes to furnace draft inducer motor replacement steps will vary by furnace so the below is just a very brief overview of the process. These units are quick and easy to install and completely automatic in operation. More buying choices 180 76 7 new offers ce la11aa005 draft inducer blower wheel 28 blades cw rot 0 31 bore 4 outside diameter 1 5 width. The fan motor must also run properly and usually has a safety pressure switch connected to the fan housing.

Watch the videos mentioned in the text below for specific instructions on how to replace a lennox inducer motor and how to replace a rheem inducer motor. In fact the draft inducer starts up 30 60 seconds before the burners are lit and continues to run throughout each heating cycle. If the pressure switch senses that the draft inducer fan is not operating powerfully enough. Tjernlund in line draft inducers assure positive draft when restricted boilers and furnaces poor chimneys or negative pressures in buildings prevent proper exhaust of combustion gases the venturi action starts air moving up the stack instantly keeps it moving smoothly.

4 7 out of. Check out this selection and find induced draft blowers to fit a variety of vent pipe diameters. Single stage and two stage gas furnaces with induced draft blowers draw products of combustion through a heat exchanger allowing in some instances common venting with natural draft appliances i e. The inducer blower assembly consists of a small motor powered by electricity a fan an electrical box to allow connections and a metal sleeve that surrounds the fan assembly.

Pressure switches ensure the motor is running according to the manufacturers specifications. Forced draft versus induced draft. Your furnace also has a safety device known as a pressure switch that detects whether or not the draft inducer is working properly. Forced draft fans focus the pressure and volume at the outlet of the fan to push air through a system creating positive air pressure.

When comparing forced draft versus induced draft industrial fans the primary difference is boiled down to push versus pull. When a furnace begins a new cycle the draft inducer blower fan begins whirring 30 to 60 seconds before the furnace burners actually ignite. Only 13 left in stock order soon. The push pull of industrial fans comparing forced draft versus induced draft.

4 8 out of 5 stars 8. A draft inducer helps ensure that all of the combustion gases that your furnace produces are vented safely out of your home. An inducer motor and blower assembly is definitely one of those parts you don t think about until something has gone wrong with it. Use draft inducers to help solve drafting problems caused by short chimneys long horizontal vent runs undersized vent pipes and negative building pressures.

A draft inducer is a fan that s located inside of your furnace near the heat exchanger. Packard draft inducer fan furnace blower motor for carrier 326628 763.