A:  Hi, JimJ - That should not be a problem. We'd suggest that no fittings be used inside the cast iron as a precautionary measure. Feel free to call me (Dave x 1026) or Jon (x1010) at (661) 257-3923 M-F 8a - 5p if you'd like to discuss further. Thanks.

A:  Yes. We anticipate the kits to be back in stock soon. Most of the components should be available in your local Home Depot store now. Kits are on-line only. Suggest you enter your email address in the "notify me" section of the webpage to be notified when it's available again.

A:  The yellow flexible gas tubing with the sweeping transition elbows Is meant to be installed under ground.  That ground can be under the home.  The only problem may be where you come up into the home.  In some states the gas line must be inside another tube in case a leak should occur.  Bringing the line up from underground outside the home then penetrating through the exterior wall into the home usually eliminates the problem

A:  Not very sure, but there is another type that have corrugated stainless inside.  You might want to read up on that

A:  This is for burial, if your above ground you should use black steel pipe or copper with flare fittings

A:  If used under a building, underground gas piping is required to be encased in a positively sealed conduit, with vent outside the building perimeter, in order to disperse a leak that might create gas infiltration of the building above.

A:  No. Underground PE pipe (no matter the manufacturer) should not be used IN and building or UNDER a foundation with a structure on it. Please DISREGARD any "community answers" indicating otherwise.

A:  It is certainly designed for both consumer and professional installation and you should be able to do it yourself. We highly suggest you review the HOME-FLEX Underground Design & Installation Manual available at homeflex.com/resources. You can become certified on the same site using the "Get Certified" button.

A:  I have installed this myself in 3 separate projects. A 75 foot run to a detached garage, a 50 foot run to a fire pit / outside feature and a generator. In each case, I did 100% of the work myself with products from Home Depot. I did pull a permit through my local jurisdiction and the work was inspected. I used a home compressor to pressurize the line above normal gas pressure and I documented that level. Be aware that when you are pressure testing with a closed line, the pressure in the (closed) line will fluctuate based on temperature.