Flexible hose to water heater then pex


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Old 10-11-17, 08:19 PM
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Flexible hose to water heater then pex

Is the code 18" of metal or flexible metal sheathed hose on water heater connections or will 12" do?

Does the flex need a shutoff valve as they sell some with them. I assumed it was better to have the shutoff on the flex line in case you ever need to service the hose.
 
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Old 10-11-17, 11:04 PM
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Metal...

usually solid copper or flexable copper..
 
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Old 10-12-17, 09:55 AM
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I've been using the braided stainless supplies on water heaters for the past dozen years because they are so easy. In my own house my experience is a life of around 6 yrs. On my 12 yr old Rheem I have replaced both supplies twice. Not too impressive. I'm going back to hard piping or flex copper.
 
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Old 10-12-17, 02:12 PM
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6 years before the braided pipe fails or leaks?!?!

If that's the case is it better to install the shutoff valve in the pex rather than the flex pipes with built in valve
 

Last edited by qwertyjjj; 10-12-17 at 02:36 PM.
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Old 10-12-17, 10:12 PM
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18" or 12" pipe to an electric heater?
 
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Old 10-12-17, 10:54 PM
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Every state or jurisdiction is different...

18" I believe is NJ. Some states say hard pipe everything, like gas lines too. Here in NJ we are allowed flex lines on gas..

California, its all flex lines water and gas because of earthquakes...

So IMo check your local codes....
 
 

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