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What’s the Difference Between All These Stop Valves?

Nick B

Stop Valves are a commonplace item found in many houses directly below the sink or behind the toilet.  For being a simple addition to a plumbing system that often blends in with the surrounding décor, one turn of a stop valve’s handle can be the difference between a small mess and a plumbing disaster.

Straight Stops are typically found on supply lines coming from the floor and into the fixture directly above it.


Angle Stops are designed for supply lines stemming from the wall.  In addition to their standard functionality they act as an elbow, directing the flow upwards towards the fixture.


Dual Outlets are made for when there is a need for multiple destinations from a single supply line and a single stop valve.  An example of this is when hot water is being run to multiple kitchen fixtures.



¼ Turn Stop Valves are the most user friendly style.  By nature of their handle only needing to turn 90° to activate, these provide a clear visual cue to if the valve is open or closed.


Multi Turn Stop Valves do require more effort to operate, but are more reliable in an emergency situation.  The additional turns can help work out any hang-ups and seizes that can occur.  They also can be repaired if it becomes damaged while the ¼ turns have to be replaced entirely.


Rough Brass units provide a distinct visual style that blend into certain ascetics while providing a reliable valve.


Chrome Plated Brass units also provide a unique visual style for different ascetics than their rough brass counterparts, but they also are more durable.  Depending on the harshness of the environment they are being installed into these could be best option, regardless of looks.



The inlet connection type necessary varies depending on the job’s specific needs.  The options available include Compression, Sweat, CPVC, PEX Crimp, Expansion, Sharkbite, and Press.


Alternatively the outlet is typically a compression connection designed to attach to a riser or flexible faucet connector.


Risers need to use their included nut and ferrule to create a proper connection with the stop valve’s outlet.


Flexible Faucet Connectors screw directly into the stop valve.



When you need a stop valve or any other plumbing, heating, or HVAC products be sure to go to  Our wide selection and fast shipping will get you what you need.  When you need to learn more about the industry explore the rest of this blog.  We’ve got unique stories related to the trades, informative articles about our products, tips on how to best use them, and fun stories about our company culture.

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One Response to What’s the Difference Between All These Stop Valves?

  1. Steele Honda says:

    Thanks for the information on all these different types of valves. I told my husband that I would find a new valve for the outside hose, and I didn’t really know what I was getting myself into. I like that you pointed out that rough brass valves can provide a distinct visual style. I like that they are functional and unique.

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