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Rectangular galvanized steel fire damper with sleeve, 8 by 8 inches, vertical static mount

Dayton

Dayton 20CK14 Sleeved Fire Damper 8x8 Vertical Static

SKU CH-H1N2-RWKG4

A vertical static fire damper with sleeve for 8-inch square ducts, rated 1-1/2 hour per UL 555 and equipped with a 165 °F fusible link

  • 1-1/2 hour fire rating protects duct penetrations
  • 22 ga. galvanized steel construction resists corrosion
  • UL 555 and NFPA 80, 90A, 101 compliance
  • 165 °F fusible link triggers automatic closure
  • 241 sq. ft. free area maintains airflow

Product Identity

The Dayton 20CK14 is a sleeved fire damper built for vertical, static mounting in square ductwork. It serves contractors and facility managers who need a 1-1/2 hour fire-rated barrier that fits an 8 by 8 inch nominal duct opening.

Included Components

The unit ships with a UL-listed fusible link calibrated to release at 165 degrees Fahrenheit. A recommended retaining angle, part number 2TGG5, is specified for proper installation but is not included in the package.

Installation Limits

This damper is rated for low-pressure HVAC systems only and carries UL 555, NFPA 80, 90A, 101, IBC, CSFM and NYC MEA approvals. It provides a free area of .241 square feet and is constructed from 22 gauge galvanized steel with a damper depth of 3-11/16 inches.

How it compares

Measured against everything we stock in Heating & Cooling Controllers, at today’s prices. Recalculated every night.

Price $70.99
Pricier than about 61% of the 1,762 comparable items (median $45.99).

Specifications

Product
Brand nameDAYTON

Questions about this item

When does the 165 °F fusible link need to be replaced?

The UL-listed fusible link rated at 165 °F is a single-use component; it must be replaced after it activates during a fire event.

What free-area limit restricts airflow in this 8 × 8 damper?

The damper provides 0.241 sq. ft. of free area, which is the primary airflow restriction under sustained operation.

How hot does the galvanized steel sleeve get during continuous low-pressure HVAC use?

The 22 ga. galvanized steel sleeve remains at normal duct temperature during continuous low-pressure HVAC operation; no additional heat is generated by the damper itself.

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