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Doug1971
 
 
 
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    February 11, 2014
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Doug1971's Reviews
 
Grainger Item #: 39K887
Electric Convection Ceiling Heater, Mounting Type Recessed, 4000/3000/2000 Watts, 13, 700/10, 200/6800 BtuH, Voltage 208, 1 or 3 Phase, 19.2/14.2/9.6 Amps, Length 18-1/2 In., Width 15-1/2 In., Height 5-3/4 In., Finish Powder Coat, 60 Hz, 4/3/2 kW, Air Temp. Rise 42 Degrees , Features Directional Airflow, Reduced Wattage, Standards cULus
 
Overall ratingĀ 
3 out of 5
3 out of 5
Yes, I recommend this product.
PostedFebruary 11, 2014
-- The cold air is drawn over the elements, then the hot air is pulled through the fan, which makes the fan motor hot, thus shortening it's life. The unit is ceiling mounted, but doesn't have a hinged access door for servicing, so the unit must be un-wired, then taken to the floor, where it can be tediously un-assembled. Unit isn't service friendly.
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Doug1971's Questions
 
Grainger Item #: 39K887
Electric Convection Ceiling Heater, Mounting Type Recessed, 4000/3000/2000 Watts, 13, 700/10, 200/6800 BtuH, Voltage 208, 1 or 3 Phase, 19.2/14.2/9.6 Amps, Length 18-1/2 In., Width 15-1/2 In., Height 5-3/4 In., Finish Powder Coat, 60 Hz, 4/3/2 kW, Air Temp. Rise 42 Degrees , Features Directional Airflow, Reduced Wattage, Standards cULus
 

What is the part number for a replacement fan motor for Grainger item #39K887

-- I clicked on the repair parts section. That thing doesn't actually work. No matter what I tried. I never could see a parts break down for Qmark heater #CDF548RE, which is Grainger item #39K887.
5 months, 1 week ago
by
Doug1971
 
Doug1971's Answers
 

viberates w/ new motor

Replaced blower motor on AC 1100 rpm to 1600 ... Three speed motor on slowest speed Is ok, Med or high loud & shakey
--1) Fan blade is out of balance. 2) Motor mounts are loose or broken. 3) Motor mounts rubber vibration washers are missing. 4) New motor is defective.
5 months, 1 week ago
by
Doug1971