Home Inspection: Plumbing System

Inspection Focus

Plumbing inspections are visual and operational. Inspectors operate normal controls and put the system through a normal cycle.

Supply Pipes

Supply pipes, especially galvanized, can become clogged with mineral deposits, which restrict functional water flow. If air gets trapped in the lines, the pipes can make a knocking sound, known as water hammer. Electrolysis, which occurs from the mixing of ferrous and non-ferrous metals, can cause leaks.

Waste / Vent Pipes

Waste pipe inspections are limited to the visible portions of the drain system. Inspectors run water through the system for a minimum of 5 minutes and look for any indication of leaks, defective drainage or venting.

Functional Water Drain

Functional water flow is based on at least three gallons per minute flow of water from the highest fixture when at least one other fixture is operated simultaneously.

Functional Waste Drain

Functional waste drainage is based on the free flow of water, without backing up, at all drains after at least 30 minutes of water entering into the system.

Sump Pump

Sump pump inspections are limited to lifting up the ball float to verify that the pump turns on.

Water Heater / Temperature Pressure Release (TPR) Valve

Water heaters are inspected visually for proper installation and ability to provide adequate hot water. All water heaters must have a temperature pressure relief valve with a properly installed extension discharge pipe.

Well Sytem

Well systems are not inspected.

Septic System

Septic systems are not inspected.

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