Welcome to the New Keller Supply Website - Our new website is now live. Enjoy improved product search, enhanced navigation, and an upgraded online experience. We welcome your feedback as you explore the new site.
These heavy-gauge plated steel regulators are among the most popular on the market. They minimize air leakage and reduce rattle. A wing nut locks the damper in position, yet permits quick readjustment. The dial shows the damper position at a glance. The regulator-mounts easily on round or square ducts.
Duro Dyne® Ovation Series 8040 Dial Regulator Set, 1/4 in, Steel, Plated