How do you know if your heater blower is bad?
Emily Sparks
Published Mar 18, 2026
How do you know if your heater blower is bad?
You might also hear ongoing whirring noises, or noises that change or get louder if you increase the fan speed. These are all signs of problems with the blower motor. In some cases, you may even notice smoke or smells of burning while driving, in which case you should pull over immediately.
Will a blower motor work without the resistor?
If the resistor shorts or fails, it may cause the blower motor to remain stuck on one fan speed. The heating and air conditioning systems may still function at one speed, however the resistor will have to be replaced in order for full functionality to be restored.
Is there a blower fan for a heatilator fireplace?
This FK23 Fireplace Blower Fan is compatible with Heatilator wood burning fireplace.Included with the fireplace blower motor: Junction Box shield. This Blower Kit provides you a low cost solution to… This FK15 fireplace blower kit is compatible with Heatilator fireplace.
What do I need to hook up HFB-B blower?
Electrical junction box included for hook up of optional HFB-B Blower. Black mesh screen for the traditional fireplace look. Includes a heat deflection hood to protect mantels. Traditional masonry fire brick pattern. Easy gas line access with knockouts on both sides. 4-inch optional hood available. Log set sold separately.
What kind of fan do I need for my Heatilator?
Our GFK4B Fireplace Blower Fan Kit is designed for the Heatilator NNXT4236I, NNXT4236IL, NOVUS gas fireplace insert to circulate air around the firebox and enhance heat output. This complete…
Can a water heater fan be sold as a complete assembly?
These blowers fans are sold as complete assemblies. We do not sell any parts for these units These blowers are part number specific for a particular water heater. Do not attempt to try and make something work as a misapplication could result in serious injury or death. We recommend these be installed by a qualified technician.