In 1973, experienced tradesman Gerhard Rosenberg discovers that polypropylene is an ideal material for in-floor radiant heating tubing. He begins manufacturing the polypropylene pipe, known as Aquatherm, in his garage in Attendorn, Germany. From these humble...
Eaton’s B-Line division offers a broad range of support systems, seismic bracing solutions, electrical enclosures and wireways designed to save time and lower total installed cost. The B-Line business serves customers in the oil and gas, mining, solar, communications...
Caleffi is the leading Italian manufacturer of high-quality components for heating, conditioning and plumbing systems and supplier of high performance hydronic solutions. In 1961, Caleffi started up in Gozzano, in the Italian province of Novara. The company initially...
THE QUALITY LEADER FOR OVER 60 YEARS The premium quality of every dahl valve and pipe hanging product is a promise we make, and a promise we keep, to all of our customers. Quality products and quality service are our only priority. Dahl quality is evident in the...
Founded in 1937 in Detroit, MI by Art and Grace Redner, General Filters, Inc. began manufacturing oil filters out of their small home in Detroit. During World War II, General Filters did its part to help Detroit become the “Arsenal of Democracy”. ...