Malco D6NA 6 inch Round Damper with Handle Unassembled for HVAC Warm Air Pipe

Product Details

Malco D6NA 6 inch Round Damper w/Handle Unattached.

Pre-Dampers with Handles and wingnuts Unassembled.

Single Bearing

Fits 6" round Dia. warm air pipe.

Requires a 1/4" hole for damper bearing to fit.

Damper made of 28 gauge metal.

Qty: 100.

Installation instructions:

(1)Use a scratch awl to make a 1/4" hole for damper bearing in round pipe.

(2)Squeeze pipe so that it is oval shaped.

(3)Insert damper into pre-punched bearing hole(s).

(4)Pipe will spring back to round when released.

(5)Secure with wing nut(s)provided.

HVAC installer sheet metal duct work supplies.