New Products for HVAC


Commercial boiler line 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 MBH, the condensing boiler is said to reduce its heat output as much as 80%. For more about Knight series from Lochnivar, click here .

Variable-frequency drive replaces the manufacturer’s three largest high power units in the 380-volt to 500-volt AC range in each of three product series, and adds an additional higher horsepower unit to the program. The units are said to be specifically engineered to satisfy the full constant or variable torque demands of virtually any industrial process, water or HVAC application. For more about VLT series from Danfoss, click here .

Gas-fired, direct vent cast iron boilers are featured in a new brochure that offers information and photographs highlighting exclusive features, including: an efficiency rating of up to 99% combined with a small footprint; clean-burning technology; advanced controls with self-diagnostics; a spark igniter system with air-cooled, self-contained UV sensing for easy maintenance; and rugged precision-machined cast iron sections for reliability. click here .

Kitchen hoods are said to be the first in the industry with radius corner. This exhaust-only island or wall canopy hood features rounded corners for a softer, more elegant and aesthetically pleasing custom look ideal for display cooking applications. The double shell hood is manufactured of 304 stainless steel and is available in 30-in. to 36-in. hood heights. For more information about kitchen hoods from Greenheck, click here .(PDF)

Relative humidity generator/calibrator can generate and hold RH values from 10% to 90% in 0.1% RH steps. The unit stabilizes to within 0.5% RH of the set point in about ten minutes, and has ports to test up to seven RH transmitters simultaneously.cluding 0-1, 0-5, and 0-10 volt DC and 4-20 mA current loop. For more about the S-503 from Rense, click here .

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