Flexible gas piping OK for exterior?

mtimpani (Mark Timpani, CMI) August 10, 2007, 1:20pm 20

This stuff…

101_2707 (Medium) (Small).JPG

Topic		Replies	Views
Is this csst Plumbing Inspections	20	4731	March 4, 2008
CSST? Plumbing Inspections	9	3963	March 4, 2011
Gas line question/s Inspecting HVAC Systems	5	4027	November 3, 2009
CSST installed in furnace cabinet	12	3975	February 8, 2020
Does anyone know anything about corrugated stainless steel tubing (CSST)? Structural Inspections	5	8162	September 28, 2007