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Old 10-05-2012, 12:56   #1
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Join Date: May 2012
Location: Indiana
Boat: Hunter 44DS
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Low hot water pressure

I just splashed by Hunter 44 into Lake Michigan a couple weeks ago. i pressurized the water system and the cold water pressure is fine, but the hot water side has about one fourth the volume. I have checked everything, and think it must be either water heater issue or blocked feed or return line from manifold to heater and back. Before I drain and check any other thoughts?
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Old 10-05-2012, 13:00   #2
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Re: Low hot water pressure

Something is blocked since the hot and cold pressure come from the same source. Try back washing your system with a garden hose, but not at the pressure you typically get from a garden hose. You obviously will not want to risk back washing anything into your potable water tank so disconnect the hose on the discharge side of that tank. You will need to disconnect your water pump at both sides and backwash to there and from there.

Have a bucket collect the backwash so you can see what kind of junk it is that is clogging your potable water system.
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Old 10-05-2012, 13:06   #3
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Re: Low hot water pressure

I'll try that before draining it all. thanks
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