Weird issue:
Water hooked up to the dock.
Cold water water pressure is great in all faucets.
for all faucets, hot water pressure drops from 100% to 50% (eye ball estimate) 3-5 seconds after turning the faucet on.
I took the filters at the end of the faucets, and the filters are clean.
I tried to follow the water line, there is one check valve on the pipe that allows the dock water in. If that was bad, the cold pressure should be dropping the same way, but cold pressure is good.
I went to my hot water tank. I loosened the drain nozzle and water came out in good pressure. I activated the highpressure check valve, and that also released water at good pressure.
What ever the issue is, it seems to be after the water heater, but before all the faucets.
I dont see any check valves between the hotwater out the faucets, but I I cant see the entire line either.
Can you you think of what else I should be looking for?
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05-18-2019 11:42 AM #1Senior Member
- Join Date
- Jun 2006
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- 696
Loosing hot water pressure in 3-5 seconds
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05-19-2019 03:24 PM #2
Re: Loosing hot water pressure in 3-5 seconds
maybe scale or some type of blockage coming out of the water heater
Mis b' havin
1972 58 yachtfish
58yf352
pass christian, ms.
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Re: Loosing hot water pressure in 3-5 seconds
Are these all hard lines or is there a flex hose sitting against something which might crimp it when it gets warm?
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05-20-2019 09:42 AM #5Senior Member
- Join Date
- Jun 2006
- Posts
- 696
Re: Losing hot water pressure in 3-5 seconds
the water system is entirely on copper tubing. Only the 12V water system has reinforced clear hoses on it. I haven't checked the 12v system yet, maybe I will check that our too. Its a Kuuma. Do you know if it has an intenal filter??