With a pressure relief valve included, the tankless water heater kits consist of separate hot and cold valves. The hot and cold valves are available in union x threaded or union x solder ends with an integral ¾-inch FNPT relief valve port.

Enhancements to the entire Fiberglas™ pipe insulation product line, along with the company’s SSL II® positive closure system, deliver consistent pipe insulation sections that are easier to install and have a smooth appearance. In addition, the pipe insulation cartons have been upgraded to make them sturdier to withstand the rigors of jobsites.

The CoreSense™ Diagnostics electronics modules in Copeland Scroll® compressors unlock advanced capabilities in fixed-speed and two-stage compressors. Designed to help contractors troubleshoot residential air conditioning systems, the modules use the compressor as a sensor.

Time of use (TOU) rate structures have long been touted as a necessity for utility companies to incentivize homeowners and building owners enough to embrace demand response systems. According to John Galyen, president of Danfoss North America, “Smart meters will change the game.”

When it comes to motors, drives, and variable speed technology, manufacturers keep rolling out new products designed to increase efficiency. Here are just a few of the latest offerings that contractors may want to consider.

Software P-Library allows anyone to develop pump curves for any centrifugal pump. The program creates a file that can be used in the Pump-Flo selection and Pipe-Flo system design software. A pump that might not be available through the downloadable Pump-Flo catalogs can be graphed and saved as a digital file.

Low pumper compressors can be devilish to diagnose properly. None of us wants to replace a compressor that is not bad. With more than 40 years of experience, I want to offer some thoughts.

A steel frame clamp, the Hold-E pipe clamp, can secure pipe ¾ to 6 inches in diameter to standard vee head pipe stands. It is a clamp designed specifically for holding pipe during flange fit-up, short pipe lengths, or when fabricating pipe with branches.

Having expanded its line of patented Safe-T-Switch® condensate overflow control switches, the company introduced models SS103E and 500EP. The line is designed for use in new or retrofit applications to protect home and commercial building owners from costly damage due to condensate overflow.

Redesigned, the PC585-70 cast bronze ball valve features a new design that allows a leak to occur during testing, if the press connection is not properly crimped. According to the manufacturer, the design provides immediate results in a testing environment.