high pitched whistle, water regulator?

carboncow

Member
Jul 25, 2014
55
Ohio
Boat Info
1989 340 Sundancer & 2007 Sea Doo Challenge 180
Engines
Mercruiser TbIV 454ci V-drive % Rotax 4stroke 215HP
When we run the water on the boat we get a very very very loud scream/whistle from the water hook up area. One day it's there..the next its' not.

We tried modulating the water pressure at the spigot with no impact other then turning it down so low the pressure is to low on the boat.

What is the cause and solution?
 
Any further info on the regulator? The link posted brings to the CSRs main page.
I am having the same issue. I have a manual valve hooked up to my main water housing connection in the cockpit. From there I have a quick disconnect to the dock hose. This year I have noticed when I turn the valve on ( when I return back to the boat) to pressurize the water system, sometimes I hear a strong flow and sometimes I don’t. Sometimes I hear a hard flow and then a thunk, to which I have little to no water pressure through the system. Sometimes it happens and sometimes it doesn’t.

I’ve also had to install my own check valve in the system because the dock water was inadvertently filling up my off shore water tank. It was an easy fix instead of searching for the check valve within the system. Now I’m reading that the regulator acts as a check valve as well. Can anyone verify that?

Any info would help.
 
I have owned my 390 for 9 years and the first year replaced the fresh water intake connection twice. Those connections are a PITA. I decided to just use the fresh water tank and never look back. The water stays fresh and I get to get a little exercise in the process. However I do use the FW connection to connect my air compressor to blow all the lines out when winterizing so I'm glad it's there.
 
PITA Pain in the a**
 

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