Flex gas line connection

[Lon Henderson]

I thought there had been a previous thread about this "non standard' installation, but I couldn't find it. Is this allowed?


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[Aaron Miller]

I thought there had been a previous thread about this "non standard' installation, but I couldn't find it. Is this allowed?


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Where exactly is the appliance for the appliance connector?

[Jimmy Roberts]

I thought there had been a previous thread about this "non standard' installation, but I couldn't find it. Is this allowed?


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According to the industry, CSS can be used where ever steel pipe would be used.
The Benefits of Corrugated Stainless Steel Tubing (CSST) and CSST Installation & Safety Information (http://www.csstsafety.com/CSST-primer.html)

[Aaron Miller]

According to the industry, CSS can be used where ever steel pipe would be used.
The Benefits of Corrugated Stainless Steel Tubing (CSST) and CSST Installation & Safety Information (http://www.csstsafety.com/CSST-primer.html)

Yes, but that is not a picture of CSST . . .

[Lon Henderson]

Where exactly is the appliance for the appliance connector?

That T and valve off it runs to a gas conversion fireplace. The flex continues the gas line to the furnace and water heater.

[Dom D'Agostino]

But, as Aaron stated, that's an appliance connector, not CSST.

[Aaron Miller]

That T and valve off it runs to a gas conversion fireplace. The flex continues the gas line to the furnace and water heater.

The appliance connector is intended to be installed only between the gas supply piping and the appliance itself. it should be used as a splice between two sections of threaded steel gas supply piping. This triggers IRC 102.4.

[Jerry Peck]

The appliance connector is intended to be installed only between the gas supply piping and the appliance itself. it should be used as a splice between two sections of threaded steel gas supply piping.

Welcome back, Aaron,

"it should be used as a splice between two sections of threaded steel gas supply piping"

I believe you are missing a "not" in there. :)

[Aaron Miller]

Welcome back, Aaron,

"it should be used as a splice between two sections of threaded steel gas supply piping"

I believe you are missing a "not" in there. :)

Not a not, huh? Damn! Sorry! Multitasking strikes again . . .:D

[wayne soper]

Why is this product not treated and require the same protection as CSST which is heavier grade.
Seems ridiculous to bond CSST when this is downwind of it.
Just thought after looking at a few thousand of them.

[Scott Patterson]

Why is this product not treated and require the same protection as CSST which is heavier grade.
Seems ridiculous to bond CSST when this is downwind of it.
Just thought after looking at a few thousand of them.

It's the distance that CSST covers which increases its probability of a lighting strike. All of the appliance connectors I have seen are normally less than 24" and are connected to black pipe.

[Bob Harper]

An "appliance connector" means it must be within 6 feet of the appliance and connected to the appliance. See ANSI Z21.24 vs. LC1 for CSST, which is "piping" and not a "connector". Read the listed instructions for each. The application in the photo is improper. Flexible appliance connectors cannot exceed 3ft except for dryers and ranges, which can be up to 6ft. in order to pull the appliance out. You can NOT splice flexible appliance connectors the way you can CSST. The mechanical couplings with CSST are made up on site for each connection. The couplings on flexible appliance connectors are made in a factory supervised by a listing agency. Two entirely separate products.

[Aaron Miller]

An "appliance connector" means it must be within 6 feet of the appliance and connected to the appliance. See ANSI Z21.24 vs. LC1 for CSST, which is "piping" and not a "connector". Read the listed instructions for each. The application in the photo is improper. Flexible appliance connectors cannot exceed 3ft except for dryers and ranges, which can be up to 6ft. in order to pull the appliance out. You can NOT splice flexible appliance connectors the way you can CSST. The mechanical couplings with CSST are made up on site for each connection. The couplings on flexible appliance connectors are made in a factory supervised by a listing agency. Two entirely separate products.

I agree that CSST and gas appliance connectors are separate entities, each with its own set of manufacturer's installation instructions and other industry standards. That said, they are very similar in that they consist of thin-walled flexible stainless steel tubing. The subrogation attorneys apparently do not differentiate: : Angela Hahn : Subrogation & Recovery Law Blog (http://www.subrogationrecoverylawblog.com/tags/angela-hahn/)