What is an angle stop valve?

An angle stop valve is a small shut-off valve that controls water flow to a single fixture, such as a sink faucet or toilet.

Where are angle stop valves typically located?

They are usually located under sinks or behind toilets, connecting the main water supply line to the fixture.

What fixtures use angle stop valves?

Angle stop valves are used for: Kitchen sinks, Bathroom sinks, Toilets, Utility and laundry sinks, Bar and prep sinks

When should an angle stop valve be replaced?

Angle stop valves should be replaced if they are leaking, corroded, seized, won’t fully shut off, or are outdated compression-style valves.

Why is a working angle stop valve important?

A functioning angle stop valve allows water to be shut off locally without turning off the main water supply during repairs or emergencies.

Can angle stop valves fail even if they’re not leaking?

Yes. Many older valves seize internally and fail when turned, which can cause sudden leaks or flooding.

Do you replace angle stop valves during other plumbing work?

Yes. We often recommend replacing angle stop valves during faucet or supply line replacement to prevent future failures.

Are newer angle stop valves more reliable?

Yes. Modern quarter-turn ball valves are more reliable and easier to operate than older multi-turn valves.

How long does angle stop valve replacement take?

Most angle stop valve replacements take 30–60 minutes per valve, depending on access and pipe condition.

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Angle Stop Valve Services

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Erik and the team where great i need a plumber in la Crescenta they came out fixed my emergency plumbing needs we had a sewer line back up they came…

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