Danfoss’ OJ ETO2 Snow Melt controller offers an intelligent all-in-one control solution for ice and snow melting suitable for any application which uses hydronic or electric heating, including driveways, parking lots, sidewalks, stairs, ramps and bridges.
ON DEMAND There are lots of courses available on how to size a centrifugal pump. In the past the only solution in many cases was to trim the impeller to make it work properly or to close a valve to get the right flow. Now with the use of Variable Speed Drives we have found new ways of doing things. Do I still need to trim the impeller? This course will answer that question.
For plumbers in Flint, Mich., “it’s been a heck of a year,” said Harold T. Harrington, a master plumber and pipefitter working as the business manager for Flint’s United Association of Plumbers and Pipefitters, Local 370. Read more stories in 2017 March Issue.