Access to fresh water is one of the world’s major geopolitical issues, yet in most of the U.S. we still use drinking-quality water as if it were free and unlimited. A substantial portion of this usage happens in buildings where leaky plumbing drips it away and fixtures designed decades ago use ex...

22 01 40: Operation and Maintenance of Plumbing Fixtures (6 products)
22 07 00: Plumbing Insulation (5 products)
22 11 16: Domestic Water Piping (4 articles, 2 products)
22 13 00: Sanitary Sewerage, Facilities (3 articles, 16 products)
22 13 16: Sanitary Waste and Vent Piping (2 articles, 9 products)
22 14 00: Facility Storm Drainage (2 products)
22 16 00: Graywater Systems (3 articles, 13 products)
22 31 00: Domestic Water Softeners (1 article, 2 products)
22 32 00: Domestic Water Filtration Equipment (5 products)
22 33 03: Heat-Pump Water Heaters (1 article, 17 products)
22 34 01: Fuel-Fired Residential Water Heaters (15 articles, 18 products)
22 34 02: Fuel-Fired Commercial Water Heaters (2 articles, 15 products)
22 35 00: Domestic Water Heat Exchangers (7 products)
22 35 43: Domestic Water Heat Reclaimers (6 articles, 4 products)
22 36 00: Domestic Water Heaters (30 products)
22 41 13: Residential Toilets (15 articles, 34 products)
22 41 14: Composting Toilet Systems (8 articles, 10 products)
22 41 15: Residential Urinals (17 articles, 1 product)
22 41 16: Residential Lavatories and Sinks (2 articles, 1 product)
22 41 39: Residential Faucets, Controls, and Trim (12 articles, 18 products)
22 41 42: Residential Showerheads (3 articles, 16 products)
22 42 00: Commercial Plumbing Fixtures (8 articles)
22 42 13: Commercial Toilets (26 articles, 22 products)
22 42 15: Commercial Urinals (20 articles, 13 products)
22 42 39: Commercial Faucets, Controls, and Trim (14 articles, 25 products)
22 42 42: Commercial Showerheads (2 articles, 11 products)
22 42 43: Flushometers (9 articles, 9 products)
22 47 00: Drinking Fountains and Water Coolers (5 products)
22 47 16: Pressure Water Coolers (1 article)
22 51 00: Swimming Pool Plumbing Systems (4 products)

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