The listing is to UL 1821, Thermoplastic Sprinkler Pipe and Fittings for Fire Protection Service It approves (with certain limitations) the use of flexible AquaPEX tubing and ProPEX expansion fittings ...
ATLANTA — Tools were whirring at the Uponor booth throughout the AHR Expo, as Daniel Worm kept busy demonstrating the company’s new transition fittings. Booth visitors looked on as he expanded a ...
ORLANDO, FL — Prefabrication has become the name of the game in mechanical contracting. Nothing particularly new there—unless we’re talking who, besides the installing contractor, might actually be ...
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