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The EARD7 is a seven inch round damper with a 24 Vac powered-open/spring-closed motor. It is used for fresh air intake for ventilation or for combustion makeup air.Product Features:
(based on 7 reviews)
of respondents would recommend this to a friend.
Reviewed by 7 customers
Displaying reviews 1-7
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Great for gas garage heaters
from Rochester, Minnesota
Comments about 6" Round Motorized Fresh Air Damper (DH90):
I installed Mr Heater garage heaters in my workshop and garage. The Honeywell EARD6 allows a 6" duct to the outside air to be opened up only when the heater is actually running. This provides fresh outside air for proper combustion of the heater. The heater thermostat provides 24vac to the coil of a RAC24 relay which provides 24vac from a seperate transformer to operate the air damper. Works great.
Bottom Line Yes, I would recommend this to a friend
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Nice product, works with VisionPro IAQ
By Fresh air lover
from Los Angeles, CA
Installed the damper with a VisionPro IAQ 9000 thermostat. Works very well on a whole house ventilation mode. The idea was to use some extra air through the AC system instead of opening the windows (and getting the really hot summer air). Installed a 12" filter along to keep the damper clean. Highly recommend it.
(1 of 1 customers found this review helpful)
I was expecting junk.
By Joe Bryan
from Tampa, FL
I am impressed with the quality of this damper. It is a heavy gauge steel, the motor is silent and the damper moves free and seals tight against the foam seat. It is easily adjustable and a breeze to wire. I would recommend this product to anyone. [...]
Good product - need general instructions
from Frederick, MD
Great product but installation instructions did NOT include standard thermostats, furnaces and air conditioners. Took a lot of trial and error to get the damper to work! Honeywell should include installation instructions for conventional furnaces and air conditioners.
Well constructed damper
Comments about 8" Round Motorized Fresh Air Damper:
As I said the damper is well constructed with semi-crimped ends so they can be adapted to inside or outside mounting to ducting. The motor is also easy to replace.
Well made-what you expect from Honeywell
By Jay Hinshaw
Comments about 5" Round Motorized Fresh Air Damper:
I used this to get outside make-up air into my old house furnace room, to reduce amount of treated air from the house going through the furnace and up the chimney. Works great. Seals pretty well when closed to keep cold air out when furnace is off. Powered it directly from the house thermostat; only draws about 1/4 amp, so no problem there.
Works smooth and queitly. Heavy gage material.
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