My hot water heater started making noise after about 8 months. The dealer replaced the two check valves under warranty, no more noise. After about another year, same noise.
I purchased two check valves to replace them whenever the hot water flow might finally stop. That was 6 years ago, never have replaced the valves yet.
And, amazingly, not wanting to jinx myself, but the sound has quieted greatly in the last few weeks, and I notice that it doesn't seem to take as long as before to get hot water flowing to faucets and the shower.
So, if the sound isn't too annoying, you might get the replacement valve for when it will be needed, and wait??
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2010 Journey 39n - 2017 Jeep Cherokee Trailhawk - this our 13th year living aboard, travelling and visiting the Pacific NW, summer 2023
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