To operate high low return grilles that are within the same return passage all that is required is a damper on only one of the grilles.
Cold air return grille with damper.
Used for supply blows air in to the room.
Refer to the submittal drawing for key product how to.
Red5 aluminum eggcrate return air grille with obd damper how to specify use the engineering data files to determine the proper size to use for maximum performance.
14 x 24 steel return air filter grille for 1 filter removable face door hvac duct cover flat stamped face white outer dimensions.
15 75w x 25 75h 4 7 out of 5 stars 195 39 99 39.
The air grille and vent cover selection from grainger includes steel metal and wood return air grilles and vent covers.
Homes will either have multiple small grilles throughout or a single large grille installed in either ceilings or walls.
A wide variety of return air grille damper options are available to you such as project solution capability warranty and after sale.
99 get it as soon as sat oct 3.
Register will come with an opposed blade damper louver which will allow you to open and close the air flow and decrease the volume of air.
An air return is a vent grille that is usually located either in a hallway or in the ceiling and its purpose is to extract air from a room and recycle it through the system to further condition it by cooling or heating.
The damper is optional and is not necessary in all applications you can easily mix and match grilles and registers.
Shutting off one allows the other to suck opening one then blocks off the other.
Do not place your order based on the overall dimensions of your existing return air grille.
Find a decorative metal floor register that will match your home or office decor or go with a standard steel grille with white electro coated and powder coated finish.
Air returns don t have a damper as they need to allow free flow of air into the vent.
It differs from a register because it does not have a damper to control airflow.
For example a 14 inch x 8 inch grille will fit a 14 inch x 8 inch hole size and will have faceplate dimensions of 16 inches x 10 inches with a 1.