Reviews of Lomanco Power Vent Attic Fan Motor 1/10hp 1100 RPM 115 Volts #

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Over the years I have installed an attic fan in my house and in my garage. They do make a difference. I have replaced three of these motors since 1985. They probably were good but I didn't know it. These motors are open shaded pole 42 frame motors. They have an oiler wick in the front and rear. There are no bearings. Because of the heat in your attic, the wicks dry. They need to be oiled regularly. Who wants to climb into the attic with 110 degrees in the summer heat and oil your fan motor? Then again, don't they always fail in the summer? These motors, I discovered, don't burn out, they seize on the shaft due to lack of oil, the overload protector overheats, then it turns itself off. But alas, these motors can be fixed. Here's how:

Buy two of these motors to keep on hand. The price keeps rising so you might as well get them now. Attach some bright yellow plastic tape to the outside mushroom cover vent of your attic ventilator so when the tape is moving, the motor is on and running so you can see it from the ground. The next time your vent motor stops when it should be running, the tape will notify you then you'll have to climb into the attic to remove the motor. Remove the set screw on the motor shaft and the three bolts holding the motor to the bracket. Leave the fan blade. Disconnect motor wires from thermostat box and leave attic.

What we want to do here is replace the seized motor with the new one but attach longer wires to it and the thermostat box so we can replace the motor next time by removing the mushroom cover on the roof pulling the motor up and out, unplugging it and not have to go into a hot attic to do it again. I use 14 GA. male/female plastic covered push connectors on the wire ends so I can easily unplug them.

Your old motor can be fixed. Run a continuity test with ohmmeter on it. If it has continuity, the shaft/stator is seized. Remove the four bolts from the seized motor and separate the housing. The back part will easily separate. The stator will be seized to the front. Fill coffee can with WD-40 and soak front motor and stator for an hour. Remove and twist stator and front motor housing until stator separates. Clean stator shafts with 0000 steel wool, lube shafts with lithium grease and reassemble. Dun. zoz

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This motor was in my attic for just under 4 years before it seized a month ago. My builder had put this in my new home, no doubt the cheapest thing on the market. I removed the motor from inside the attic, it wasn't fun but I got it out and was surprised at the small size and lightness in weight of the motor.

I could have replaced it with the same but went to Home Depot and they had one type of replacement motor on the shelf. In comparison to the original motor, it was about 2/3 heavier and longer but about the same in circumference. The replacement fit perfectly in the bracket in the attic.

The new motor quality appears far superior to the original I replaced. Also, it has sealed bearings and brushless in design. I am not sure of the Lomanco model having these features but I am guessing it doesn't. Regardless, the Lomanco model died in just a few years and quality motors typically last 20 years.

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Won't know this product's worth for a couple of years until the bearings seize or the thermal overload protector pops and the motor quits operating. My luck so far with these motors has not been good they only last for a couple of years in the hot attic environment. They should be built/made with sealed ball bearings rather than sleeve bearings which dry out and cause the motor to seize. They also are very simple motors and should cost a lot less than the $49 price that is charged.

The only redeeming value is that the changeout of the old motor for the new one is a relatively simple operation.

Honest reviews on Lomanco Power Vent Attic Fan Motor 1/10hp 1100 RPM 115 Volts #

I am completely satisfied with this purchase. The motor was easy to install and it only took about 20 minutes to install. I was about to get a roofer to install a new attic fan for around $350 but decided to see if the motor was available. After taking my old motor off, I did a search on the part number and was able to find the replacement motor with shipping for around $50. I also received the motor earlier than promised. .

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I purchased the motor and a replacement thermostat and they were easy to install. Just in time for this latest round of heat wave. The comments on this page were very useful and helped me in deciding to change the motor myself.

I didn't even know you can change the motor and asked for an electrician to test and he said the motor was bad and was talking about getting a roofer to replace the whole system but reading the reviews here made me do it! Best of all I didn't pay $600 to get a new "lifetime" attic fan AND no one messed with the roof.

To do it yourself, unscrew the 3 bolts holding the motor, Use WD-40 to loosen the screw holding the blade to the motor shaft and then see if you can take the blade off. Mine didn't come out so I took the loosened blade and motor fan together and once on the ground I took a screw driver and hit at the motor shaft and the blade became more loose and then I was able to just take it out. Be careful not to damage the fan. Use soft ground if you're going to hammer the motor shaft.