Send us a textIn this episode of Mastering Wisconsin Plumbing, we take a journey with water — from the municipal main beneath the street to the last fixture in your home. Along the way, we unpack the Wisconsin Plumbing Code requirements for water sizing, velocity limits, and fixture supply piping.We cover:Water sizing fundamentals – using Water Supply Fixture Units (WSFUs) and velocity limits to design a system that performs.Where the 8 ft/sec velocity rule applies — and where it doesn’t — including the exception for fixture supply connectors.Following the water’s journey – from the curb stop, through the building control valve, into the water distribution system, and branching to hard and soft water lines.Hot and cold water definitions – yes, the code really spells it out.Field stories and common mistakes – real examples of sizing gone wrong (and how to avoid it).By the end, you’ll understand not just what the code says, but why it says it — and how to apply it so your water systems deliver pressure, performance, and longevity.References:Wisconsin Administrative Code SPS 381.01 – DefinitionsHot water: “Water at a temperature of not less than 110°F.”Cold water: “Water at a temperature of less than 85°F.”Fixture supply: “The water supply pipe or pipes between the fixture supply stop and the fixture.”Fixture supply connector: “The water supply piping between the water distribution system and the fixture supply stop.” (Available from Wisconsin Legislature website: https://docs.legis.wisconsin.gov/code/admin_code/sps/safety_and_buildings_and_environment/380_387/381)Wisconsin Administrative Code SPS 382 – Design, Construction, Installation, Supervision, Maintenance, and Inspection of PlumbingVelocity limitation: Max 8 ft/sec in water distribution piping.Minimum water service size: ¾-inch.Water meter valve location requirements. (Available from Wisconsin Legislature website: https://docs.legis.wisconsin.gov/code/admin_code/sps/safety_and_buildings_and_environment/380_387/382)Mueller Company – Manufacturer information for curb stops and street key valves. (Website: https://www.muellercompany.com)Lao Tzu – “Nothing is softer or more flexible than water, yet nothing can resist it.” W. H. Auden – “Thousands have lived without love, not one without water.” (Poem: First Things First, 1956)Support the show

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