Crown Products Duct Collars & AC Tie-Down Kits

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Crown Products 8-Inch Duct Connector Sleeve | 6808-CR

SKU: 6808-CR
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$11.87
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Crown Products 7-Inch Duct Connector Sleeve | 6807-CR

SKU: 6807-CR
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$3.24
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Crown Products 6-Inch Duct Connector Sleeve | 6806-CR

SKU: 6806-CR
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$4.69
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Crown Products 18-Inch Duct Connector Sleeve | 68018-CR

SKU: 68018-CR
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$9.42
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Crown Products 16-Inch Duct Connector Sleeve | 68016-CR

SKU: 68016-CR
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$7.71
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Crown Products 14-Inch Duct Connector Sleeve | 68014-CR

SKU: 68014-CR
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$6.56
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Crown Products 10-Inch Duct Connector Sleeve | 68010-CR

SKU: 68010-CR
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$4.24
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Crown Products 8-Inch Nested Tab Duct Collar | 616KD8

SKU: 616KD8
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$7.89
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Crown Products 7-Inch Nested Tab Duct Collar | 616KD7

SKU: 616KD7
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$5.84
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Crown Products 6-Inch Nested Tab Duct Collar | 616KD6

SKU: 616KD6
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$4.64
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Crown Products 4-Inch Nested Tab Duct Collar | 616KD4

SKU: 616KD4
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$3.11
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Crown Products 16-Inch Nested Tab Duct Collar | 616KD16

SKU: 616KD16
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$14.71
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Crown Products: The Small Metal Parts That Hold an Install Together

At the end of a long install, the parts that get remembered are the condenser and the air handler. The parts that make the job last are smaller: the collar that joins a flex run to a plenum, the sleeve that splices two duct sections without a leak, the bracket that keeps an outdoor unit planted when a storm comes through. Crown Products makes those pieces, the sheet metal and hardware that live between the big equipment and the house.

The Work

Where these parts earn their keep

Duct collars and connector sleeves are among the most common fittings in residential air distribution. A nested tab collar is set into a cut opening in a plenum or trunk line, and its tabs are bent over to lock it in place, giving a round take-off for a supply or return run. A duct connector sleeve does the opposite job, joining two pieces of round duct end to end. Both are simple, and both are where air leaks start when they are poorly fitted or the wrong size.

Tie-down brackets matter most in places like South Florida, where outdoor condensers sit on pads exposed to hurricane-force wind. Brackets fastened from the unit's base to the pad help keep equipment in place when the wind picks up.

The Lineup

What Crown Products builds today

HVAC365 carries Crown Products in two groups:

Duct collars and fittings: nested tab duct collars in sizes from 7 to 16 inches, and duct connector sleeves from 10 to 18 inches, part of our wider air distribution range.
Equipment mounting: 4-inch and 6-inch air conditioner tie-down bracket kits, sold in packs of four for a full condenser.

Questions

Frequently asked questions about Crown Products

What does Crown Products make?

The Crown Products items HVAC365 carries are HVAC installation hardware: nested tab duct collars, duct connector sleeves and air conditioner tie-down bracket kits.

What is a nested tab duct collar used for?

A nested tab collar creates a round take-off from a plenum or trunk line. It is inserted into a cut opening and its tabs are bent to lock it in place before the flex or round duct is attached.

What is the difference between a duct collar and a duct connector sleeve?

A collar connects round duct to a flat surface such as a plenum. A connector sleeve joins two pieces of round duct of the same size end to end.

Why use tie-down brackets on an outdoor unit?

Tie-down brackets secure a condenser or heat pump to its pad so high wind cannot shift or tip it, which is especially important in hurricane-prone areas.