Webster Engineering offers a high efficiency burner for heating and small process applications. It includes a high swirl combustion head for high turndown (10:1), a high efficiency air louver box, and linkage controls.

Webster Engineering offers an ultra low NOx burner (9 ppm) on natural gas. It is available with dual fuels without changing burner parts, linkageless controls, TEMP A TRIM burner control or O2 trim, and variable frequency drive.

Westermeyer is now offering a new line of high capacity, direct expansion chillers. The construction utilizes enhanced copper tubing for increased surface area and optimum heat transfer, without increasing the overall size, says the company.

Westermeyer is now offering a new adjustable pilot operated oil regulator. The design offers higher flow than conventional regulator design while operating at higher pressure differentials, the company says.

The Series VI Closetline vertical water source heat pump, featuring a slide out removable refrigeration chassis, significantly reduces service time versus conventional closet heat pumps, says Whalen.

Xylem is showing its Bell & Gossett ‘smart’ heating circulators. Featuring electronically commutated motor (ECM) technology and a patented spherical motor design, the ecocirc® auto and vario pumps eliminate the need for a conventional shaft, seal, and bearing assembly.

Xylem will be highlighting the new Bell & Gossett submersible high temperature sump pump. The unit is said to be ideal for applications where liquids are too hot for conventional submersible sump pumps.

Xylem is displaying the Bell & Gossett Snap Zone Valve. It is a compact four-wire thermoelectrically operated on/off zone valve designed for residential and light commercial HVAC applications.