Author: John Koeller and Bill Gauley
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MaP Testing Expands To List ‘PREMIUM’ Water-Efficient Products
MaP Testing has announced the development of a new PREMIUM label for the highest performing water-efficient products. -
Drainline transport of waste
John Koeller, the principal of Koeller and Company offers a comparison between washdown and siphonic toilets. -
Plumbing and water efficiency myths
Over the past 15 years we have had rumors, claims and outright assertions of savings by people associated with plumbing products or water efficiency programs.