Capacitor On Furnace Motor

If it doesn t start turn the thermostat back down or cut the power to your furnace.

Capacitor on furnace motor.

When you need motor start and run capacitors shop at grainger. A bad capacitor can cause damage over time to a furnace s blower motor. How to check a run capacitor. The blower then moves the warmed air into and through the ductwork in your house.

What is a capacitor. How replace a furnace capacitor. Letting it run longer could make the problem worse and do more damage to the furnace resulting in a much higher repair bill. Hqrp 15uf 370 440v capacitor works with ac electric motor run start hvac blower compressor furnace 15mfd 27l567 97f9004 z97f9004 97f9004bz3 cbb65 ul listed 4 4 out of 5 stars 182 11 95 11.

The furnace will heat up but the blower does not come on. Only let it run just long enough to hear the hum. Round molded cases can protect start capacitors from oil dirt moisture and grease helping prolong maintenance free performance and reduce replacement costs. Find dry electrolytic nonpolarized start capacitor models in a wide range of sizes and mfd ratings.

Gas entering your furnace is ignited by the pilot light and burners heat the air. But with a bad capacitor your blower cannot function well and may put your family s comfort at risk. Smith century dl1056 1 2 hp 1075 rpm 3 speed 115 volts6 5 amps 48 frame sleeve bearing direct drive blower motor. A faulty capacitor may prevent the blower from functioning at all.

If the furnace is receiving power turn up the thermostat and see whether the blower motor starts within the next few minutes. Furnace capacitor some furnaces don t use a capacitor while others will have both a start and run capacitor. Turn off all power to the furnace. The wiring should be checked for the proper electrical currant reaching all components before suspecting a faulty run capacitor.

Its capacitor works like a battery and stores the energy needed by the blower to work properly. Take pictures of the wiring to reference back if needed. Any capacitor with the same voltage and micro farads can be used interchangeably. When the run capacitor on a permanent split capacitor motor for a furnace is not working the blower fan will not operate.

Locate the capacitor usual close to the furnace motor. Remove any bolt holding the old capacitor in place. Before checking the capacitor make sure the fuse controlling the furnace is flipped to the on position. The blower motor in your furnace blows hot air through the ducts and into your home.

But most furnaces by far have a single capacitor.