Water Supply and Distribution

IRC 2024 Backflow Prevention: Cross-Connection Control for Residential Plumbing

Where is backflow prevention required in a residential plumbing system under IRC 2024?

P2902

IRC 2024 Expansion Tanks: Required When Water Heater Is on a Closed System

When is a thermal expansion tank required on a water heater under IRC 2024?

P2903.4

IRC 2024 Hot Water Pipe Insulation: Energy Code Requirements for Supply Lines

Does IRC 2024 require hot water pipes to be insulated?

P2903.3

IRC 2024 PEX Pipe: Installation Rules, Bending Radius, and Support Requirements

What are the IRC 2024 installation requirements for PEX pipe in residential plumbing?

P2904

IRC 2024 Pressure Reducing Valve: Required When Street Pressure Exceeds 80 PSI

When is a pressure reducing valve required under IRC 2024?

P2903.3.1

IRC 2024 Shut-Off Valves: Where Individual Fixture Valves Are Required

Where are shut-off valves required at individual fixtures under IRC 2024?

P2903.9.1

IRC 2024 Water Hammer Arresters: Where They Are Required

Where are water hammer arresters required under IRC 2024?

P2903.5

IRC 2024 Water Pipe Sizing: Minimum Diameter for Supply Lines

What is the minimum pipe size for water supply lines under IRC 2024?

P2903.1