Gas Line (CSST) Not Bonded
The home's CSST gas line, a flexible stainless steel tubing with a plastic coating, isn't bonded (connected to the home's electrical grounding).
OccasionalFix nowSafetyGas lines and shutoff
Why it matters
CSST has thin walls, which makes it vulnerable to damage from electrical events like lightning strikes. If it isn't properly bonded and grounded, that damage could lead to a fire.
How common is it?
Found in 9% of the homes HomeCloud evaluated, Sep 2025 to Oct 2026.
Counted by the finding's name on HomeCloud reports, so the true number can be a little higher.
How soon to fix it
HomeCloud reports list this as a fix-now item.
More plumbing resources
What kind of pipes do I have?How to tell copper, PEX, CPVC, polybutylene, galvanized steel and cast iron pipes apart, and which ones to plan to replace.Tank vs. tankless water heatersHow tank, tankless and heat pump water heaters work, gas vs. electric, sizing one for your household, and the brands you'll see most.How to find and use your water shutoffWhere the main water shutoff and the valves under sinks and toilets usually are, how to close them in a leak, and simple upkeep like flushing the water heater.
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