The following lines were added (+) and removed (-):
=== Compression Straight Stop Valve ====== Compression to Compression Straight Stop Valve ===This connector allows a 1/2" PEX water line to go directly to a bathroom sink connector. It is a 3 piece connector consisting of the plastic outer threaded part, a rubber seal ring, and a copper internal nipple that receives the 1/2" PEX water line, sealed by a crimp ring (crimp ring not included.) The 3 piece connector is sold as a single unit. Do not use (PTFE) tape or pipe thread compound as this unit seals by compressing the rubber O ring to the fixture connector.This connector allows a 1/2" PEX water line to go directly to a bathroom sink connector. It is a 3 piece connector consisting of the plastic outer threaded part, a rubber seal ring, and a copper internal nipple that receives the 1/2" PEX water line, sealed by a crimp ring (crimp ring not included.) The 3 piece connector is sold as a single unit. Do not use (PTFE) tape or pipe thread compound as this unit seals by compressing the rubber O ring to the fixture connector. Note the absence of a shutoff stop valve. If a PEX manifold is used, and the fixture has dedicated lines, the water can be shutoff at the manifold without shutting off the water to other household fixtures. A plumber may still choose to install an optional local stop valve even though it is not necessary. === 1/2" PEX to 3/8" Compression ===[[File:120x120_12PEXx38ODComp.jpg|none]]A very common connector used in installations where a home is being converted to PEX. This connector allows 1/2" PEX to connect to compression fittings on fixtures, such as a kitchen sink, with the common 3/8" OD size. This is a straight style stop valve. Remember, OD is an "Outer Diameter" measurement, which is why it appears larger than the 1/2" PEX side of the fitting. Most kitchen sink faucets now have Flexible Water Connectors built in with 3/8" OD fittings. However, there is a lot of diversity in fixture connections and you can never count on something being "common."