Donna, to protect the exterior portion of my propane hose (the part from the regulator to the exterior wall of the house) I use a foam pool noodle.
The guys at Airgas told me the fuel hose will more affected by UV light than heat.
Using a box cutter, I slit the pool noodle lengthwise on one side only.
This allows you to slide the pool noodle over the hose so it is inside the hollow center of the noodle.
I cut the end of the noodle to fit the exact length of the hose.
Then, I use a few zip ties to secure the noodle closed.
I write the date on the noodle with marker so I know when it was changed.
I replace it every fall.
Fast, simple. And, the hose underneath feels and looks like new!
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