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Field glossary

Recirculation loop

The supply-and-return circuit that keeps hot water moving so it is hot at the far fixture

Used across 2 Anvilfield field guides, most in Plumbing.

Also defined as

  • The hot-water return and pump that keep hot water at the fixtures

Where this shows up

PlumbingHot water recirculation loopsPlumbingWater distribution system types guide

Related terms

Balancing valveDead legPRVResidual pressureStatic head

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