Application Versatility: Upflow or horizontal right as shipped (field convertible for downflow or horizontal left applications). Can be AHRI certified with most brands of air conditioners or heat pumps. ETL-listed for use with all major refrigerants when proper metering device is used.

The Armstrong Nanobubble Generator transforms existing non-condensable gases naturally present in the water into an abundance of nanoscopic bubbles through a static, side stream application. 

The brand new Airex Titan Outlet TRS has been specially designed to solve HVAC sealing problems in already-made installations without having to remove the line set and exceeds all applicable standards for performance of an HVAC system. In just a few minutes, it can create a hermetic seal that is weather- and air leakage-resistant, controls vibration, and is rodent proof.

The Adapt line offers 2- and 3-inch dual pipe venting, ½- and ¾-inch gas line options, and universal indoor/outdoor installation. 

The NBT-400P is designed with a built-in Little Giant condensate pump to enable safe discharge to a remote drain, and is well-suited for most residential installations of high-efficiency, gas-fired appliances such as condensing boilers, furnaces, and hot water heaters rated approximately 400 MBH. 

Featuring medium-duty welded construction, a cast aluminum prop, and integral flanges for airtight duct connections, the direct drive AX 200 can be utilized in indoor or outdoor applications.

The complete line of belt and direct drive exhaust blowers are chemical resistant and are available in standard and explosion proof models.