The Apollo® Series 4D Defender™ backflow preventers are available in sizes ranging from 2-1/2 to 10 in. and feature a lead-free, all-stainless steel check valve design in a ductile iron body. The preventers perform to applicable ASSE and CSA standards and are UL listed and FM approved in sizes from 2-1/2 to 6 in.
The company's NEMA 4-rated actuators are designed for operation in extreme conditions such as wide temperature fluctuations, high humidity, rain, splashing water, and dust. Features include watertight housings, high accuracy, low power consumption, compact size, and quiet operation
The KNIGHT heating boiler offers a fully modulating burner with 5:1 turndown and a cascading feature that allows multiple boilers to be controlled by one central boiler. Available in seven models with inputs from 80 to 500 MBtuh, the unit can reduce its heat output as much as 80% without affecting the indoor air temperature. Another key feature is the SMART SYSTEM™ operating control, which has a two-line, 16-character LCD with no alphanumeric codes to decipher.
The Kestrel 4100 airflow tracker measures cfm, temperature, rh, and dewpoint, and can store 480 data points in its datalogger. The unit is suited for facilities monitoring, and the user can set the logging interval to store data automatically with a customizable frequency. The data can be viewed onscreen in chart form or can be uploaded to a computer using the optional interface.
The company's full line of Tracer VV550 and VV551 VAV controllers provide single-duct control for VAV boxes, are LonMark® certified, and can be field-installed for retrofits. The controllers are suited for space temperature control, flow tracking, and ventilation flow control, and can operate as part of the company's Integrated Comfort™ system (ICS), as part of a BMS from another manufacturer, or as standalone devices.
The VLT® BACLink™ portal provides connectivity of the company's VLT® 2800 and VLT® 6000 drive families to BACnet® networks. The portal acts as a standalone gateway with a modular design, and can support up to 2,000 BACnet objects. Other features include multiple network interface options and network connections are available through three ports: an Ethernet port, a serial port, and a dedicated EIA-485 serial port.
The company's UV germicidal systems are designed to create healthier indoor air, increase HVAC efficiency, and reduce equipment maintenance by eliminating mold spores that grow on cooling coils. The system is available in four models to fit every cooling application include large AHUs, small AHUs, and packaged rooftop units.
The MistBuster Infinity is rated up to 1,000 cfm with its variable-speed motor/impeller. The unit uses a two-stage filtration process to eliminate mist and smoke from the airstream. The first stage mechanical mist impingers capture most of the larger mist droplets which are coalesced and returned to the coolant sump. The second stage is made of proprietary media, which has 288 sq ft of cleaning area
The H2 adjustable-speed control drives feature a large graphical display, extensive diagnostic information, and point and click operation from a PC. Several bus communication boards are available including DeviceNet, Profibus, LonWorks®, Ethernet Server, and the Mint® expansion board. The drives are available in volt/Hertz inverter, encoder-less vector, closed loop vector, or AV servo motor control selections.
The company's Model SDL single-duct, low-height VAV terminal is suited for shallow or congested ceiling plenum applications. Available in four unit sizes, the SDL can handle airflows up toe 4,100 cfm. Features include an invertible design that allows installation with controls on the left or right, the patented Flow-Star™ airflow sensor, G90 galvanized steel construction, and low sound power levels. The unit is available with hot water coils, electric heat, and a variety of controls.