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Voltage, or volts, is a measurement of the difference between two electric fields (in heating terms, the difference between the Earth's electrical field and the electricity running through your wires).
Round damper with 24-volt, spring return damper motor used to control volume of circulating air in heating, cooling, and ventilating systems. Features
(based on 21 reviews)
of respondents would recommend this to a friend.
Reviewed by 21 customers
Displaying reviews 1-10
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from Berkeley, Ca
Comments about 7" Round Automatic Damper:
Solved a heat loss problem with my passive range hood. Exactly what I needed.Con: Wish it opened faster.
Bottom Line Yes, I would recommend this to a friend
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Honeywell Electronic Damper ard9
By Vince C
Comments about 9" Round Automatic Damper:
If using this with the Zoning Panel you may need to switch one of the wires going into the panel from M4 to m6 as I eventually came across in the manual. After that it seemed to function properly for me.
from Davidson, NC
Comments about 12" Round Automatic Damper:
I had one existing damper that quit working, and I couldn't get just a motor, so I bought this entire damper, which seems to be how this industry operates. I had heard that Honeywell was the best, plus the price was right, so it was an easy choice. It was very straightforward to replace the damper, but it still took two hours to remove insulation (neatly), remove the old damper, install the new one (including three sheet metal screws), replace the insulation, and duct tape it all. Confined space didn't help. If you're working in the attic, start very early in the morning becuse it gets hot up there earlier than you think.Much better than paying ~$600+ for a pro to do it.
from Montgomery, TX
Comments about 10" Round Automatic Damper:
I highly recommend these products, they are easy to install and work great. I now have a three zone system between my shop, garage and an apartment.
Excellent products for a good price
Honeywell also provides good product support
(1 of 1 customers found this review helpful)
from San Diego
Comments about 8" Round Automatic Damper:
I bought this as a replacement for the same brand installed 20 years ago. Note the directions whether you want power closed or power open. The directions are not great, if you switch, the motor is relocated 180 degrees around the pipe and the "Open Closed" is then backwards.
from Buffalo, ny
Comments about 6" Round Automatic Damper:
Easy to install, easy to wire, makes areas of house very comfortable as compared to before installation.
from Atlanta GA
Comments about 14" Round Automatic Damper:
used for zoning HVAC system
from washington, dc
Works great, easy install, good quality!
I would buy again.
no comments at this time !
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