I did the replacement today after ordering the Camco 59323 RV regulator from Amazon. Since this part seems to fail more often than you would think I decided to order two. I ordered the second one to keep as a spare for future use either for myself or a fellow camper if theirs fails.
Took about 15 minutes, at the most, and that included mixing up the soap and water and performing the leak test. The Camco regulator is a direct fit.
I took both natural gas / propane tape and natural gas / propane thread sealant for the install. I decided to try the Natural Gas / Propane tape (less mess) to seal the threads and it worked great. No leaks!
Marc & Jan
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