Alright HVAC folks and handy homeowners, let's talk about this Honeywell ARD18TZ round damper - it's one of those components that makes modern zoning systems work so well! This 18-inch galvanized steel damper features a single-blade design that closes tightly against the gasket to minimize air leakage, which is crucial for maintaining proper pressure in your HVAC system. It's designed as power-closed and spring-return open, meaning it needs power to close but springs back open automatically when power is cut. The cool thing is it can be field-converted for use as an independent zone controller or for fresh air intake applications. It's rated to operate up to 1 inch water column pressure, which covers most residential systems. Installation is pretty straightforward if you're familiar with HVAC work - just make sure you get the orientation right for proper operation. The build quality is typical Honeywell - solid, reliable, and built to last. I've used these in several zoning installations and they've held up perfectly with no issues. They integrate seamlessly with Honeywell zoning control panels and work smoothly for years without maintenance. Whether you're dividing your house into temperature zones, adding fresh air ventilation, or upgrading an existing system, this damper delivers professional performance at a reasonable price. The galvanized steel construction resists corrosion, and the tight-sealing design ensures your conditioned air goes exactly where it's supposed to. If you're tired of hot and cold spots throughout your house or want better control over your energy usage, adding zoning with these dampers is absolutely the way to go.
Free 30-day returns 
Free 30-day returns
