The EARD is a 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.
Adjustable damper position range stops.
Single-blade damper.
Shipped as power open/spring return closed damper.
Galvanized steel.
Quiet operation.
Can be field-converted to power closed/spring return open damper.
Blade closes off tightly against gasket for minimal leakage.
Male (crimped) and female (uncrimped) ends to connect to any rigid or flexible round duct.
Replaced vent control valve. It appears to be better than the original (10 years) failed part.
OldDIYer
Tacoma,WA
1 years ago
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Great
What is great about this product is you can make it ether open or closed with just a click of the switch on top one will fit all needs
Big hunk
Pasadena
5 years ago
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I would use this again,excellent product.
First time I used this particular product, worked great and passed inspection.
Butch
Port Clinton Oh
8 years ago
Verified Buyer
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Good product
my own hybrid system
bob the builder
Prescott AZ
9 years ago
Verified Buyer
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