Angle Stop Valve Guide: Types, Materials, Installation and Selection

Learn how to choose the right angle stop valve for sinks, toilets, faucets, appliances, residential plumbing, and light commercial water systems. This guide explains compression, sweat, PEX-compatible, push-fit, brass, stainless steel, and plastic angle valves, while covering pipe compatibility, potable-water material requirements, installation method, leak checking, replacement signs, maintenance access, and common selection mistakes.