Flex lines going to hot water tanks

[tbarr]

Is there any hard facts about flex lines being used on hot water tanks. I know it is ok on stoves and dryers. I run into it about once a month. I don't like it, I don't think it safe. I have also seen quarter inch copper tubing used.

[Brian E. Kelly]

Flexible gas lines are allowed here. Some areas they are not allowed. Check with your local gas company.

[brepanshek]

Home Depot & Lowe's sell just a product. I use them all the time for change outs. II aways hard pipe out of the water heater with 9" nipple into tee, with drip leg beloow, union & gas valve above, then gas flex line to connect between, saves time on cut and threading pieces to join.

[Joe Funderburk, CMI]

Sounds like you're talking about CSST. Do a search for that on this board. Lots of info. (Class action lawsuit you need to be aware of.)

[twasion]

If youare talking about range connectors then they are ok on appliances such as stoves but not on water heaters under UPC where I plumbed. Black pipe or CSST was authorized.

[Jeffrey R. Pope]

Flexible Appliance connectors are allowed by the model codes (UPC included) and are commonplace on gas appliances. As always local jurisdictions take precedence and some AHJ's may not allow them.

[Russel Ray]

They are required at the water heater and furnace in all the jurisdictions where I work, both water flex and gas flex.

[tbarr]

Thanks guys and gals I checked county,and local citys.They all have something different.I personally hard plumb them in. I heard of kids playing around them and grabing the lines and having them break.When I do an inspection and I find this condition I recommend that they be hard plumbed .I have also from them to leak more offten than hard plumb.

[Russel Ray]

Originally Posted by tbarr

I have also from them to leak more offten than hard plumb.

I've never heard that from any of the plumbers here. Interesting.

[Jae Williams]

Originally Posted by tbarr

Is there any hard facts about flex lines being used on hot water tanks. I know it is ok on stoves and dryers. I run into it about once a month. I don't like it, I don't think it safe. I have also seen quarter inch copper tubing used.

Quarter inch?? The smallest I have seen is 3/8 inch tubing. Some AHJ approve it around these parts.