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Plumbing Engineer - Products: October 2012

Piping system
Greenpipe®, a recyclable polypropylene-random (PP-R) piping system designed specifically for potable water applications, is available in sizes up to 18 inches in diameter and is ideal for water mains and high-rise buildings. 18-inch Greenpipe features an SDR 11 wall thickness, is capable of delivering 4,000–6,000 gpm, provides a balance of strength and flow rate and can be directly buried in soil, sand, concrete, rock and other materials. Natural R-value of 1 (or more, depending on pipe size and SDR) also delivers potential savings in terms of insulation and energy loss. All systems are connected via heat fusion. Aquatherm

Condensing tankless water heater
The new Navien NPE Series premium gas condensing tankless water heater features advanced technology that reduces time and labor for a typical tankless retrofit by utilizing existing gas lines and existing flue chases. The new technology allows installation time to be reduced in half compared to other tankless water heaters. Features include 2-inch PVC venting up to 60 feet, ½-inch gas lines up to 24 feet, ComfortFlow technology, and field convertibility from natural gas to liquid propane gas. Navien America.

Wall mount boiler
The WM97+ boiler, a 155,000 Btu input wall mount boiler joins the original lineup of 70,000 and 110,000 Btu input models. All offer a 97 percent AFUE rating. WM97+ is extremely easy to install and operate, saving time and money with built-in features that include a boiler circulator, primary/secondary piping, low water cutoff, three zone control, text display, pre-wired terminal strips and 5 to 1 turndown ratio capability. It offers flexibility, with multiple venting options and simple gas conversions and has a durable, unique stainless steel fire tube heat exchanger with a corrosion resistant condensate collector base. Weil-McLain.

Grinder system
The 915 Shark Series Grinder Package System is a preassembled grinder system. Complete with alarm and check valve , it is designed for new construction, retro-fits and replacements. Utilizing Zoeller’s new and unique Tri-Slice™ cutter, this small, yet extremely powerful, ½ hp, 115 V grinder system provides more than 250,000 cuts per minute and significantly eliminates the maintenance and clogging concerns associated with other grinder and sewage ejector systems. Zoeller Pump Company.

Pro-Connect Push Expands
Webstone’s line of push connect ball valves and fittings includes 6 new designs — Reducing Couplings, Reducing Tees, Reducing Elbows, along with Straight and Angle Supply Stops. Forged from lead free dezincification resistant brass, and cUPC certified to meet the requirements of AB1953 and NSF/ANSI 61-G. Webstone.

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