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I'm in the middle of a remodel. I am going to move away from the black pipe and replace with CSST. We are moving FAU, moving the water heater, going from tanked to tankless etc. I'll be running new CSST. I'm just trying to eliminate some of the unnecessary fittings and turns if possible at the meter.

Is that reducer coming out of the meter necessary? Currently, it's a 3/4" to 1/2" reducer, then steps back up to 3/4" and then to 1" for the runs in the house. Can I eliminate this reducer and just go from 3/4" to 1"? Did the guy on the truck just not have the right sized fittings the day of the install?

Meter

Fitting

isherwood
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Richard
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2 Answers2

3

I have not adjusted the lines at the meter connection for many years because my gas utility got real upset (for reasons I won’t mention here). They started using J shaped fittings for higher system security.

If the utility is OK with you doing it I would since it’s on the customer side easy enough to leak check and it’s outside.

I will warn you with CSST you may not want a large flow device like a home tankless supplied (large flows tend to create a whistle sound) . Reducing the restrictions and elbows will help deliver the flow rate you may need but you may also need a larger meter if the oven, water heater furnace all kick in at the same time the whistle can be fairly loud go large to keep it from being a problem.

Machavity
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Ed Beal
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The reducing nipple is on your side of the meter, that means you own it and can replace it. Whether or not you are allowed to do it yourself is another issue, different jurisdictions have different rules for gas. In my area I would not hesitate to do it.

NOTE- you probably are not allowed to remove that meter union (which belongs to your gas utility company), meaning that unless you can completely disassemble from the end back... you will need to hacksaw and then use a right-left coupling/nipple set to tie it back together. Call the utility and ask if they will let you unscrew that union at the meter, or if they will do it, when you are ready to do the job.

Jimmy Fix-it
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