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City water pressure

Anything related to the operation of your boat. Steering, Bilge Pumps, thru-hulls, bottom paint, etc.
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Topic author Canada
pepmyster
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Re: City water pressure

Postby pepmyster » May 17th, 2021, 7:01 pm

Will do! Once I'm allowed back.


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Re: City water pressure

Postby Viper » May 17th, 2021, 8:24 pm

I would think the shore water inlet for that vintage has both a built in check valve and regulator. Hopefully it was winterized properly but even when it is, it's not uncommon for those units to fail come Spring time.
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Topic author Canada
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Re: City water pressure

Postby pepmyster » May 17th, 2021, 9:18 pm

I've been doing the winterization the same way every year, Using small air compressor to blow out the system.

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Re: City water pressure

Postby tomschauer » May 17th, 2021, 10:11 pm

When the boat was winterized, if antifreeze was not pumped through the dock water inlet, the check valve / regulator most likely froze and was damaged. Time for a new one.
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Re: City water pressure

Postby Midnightsun » May 18th, 2021, 5:01 am

When I changed mine out last year I opted for a unit that had no regulator, only a check valve. Reason is those built in regulators are not serviceable not to mention they restrict water to unacceptable pressure IMHO. That being said, it is important to have a regulator due to the unacceptable high water pressure seen at many marinas. I opted for an outboard unit which is permanently attached to my dock hose. I also have one permanently attached to my "travel" hose so when connecting to other marinas I am protected. This way it becomes a serviceable part or maybe I should say replaceable part if something were to go wrong. This is the regulator I use. https://www.amazon.ca/Camco-40055-X-Brass-Pressure-Regulator/dp/B003BZD08U/ref=sr_1_8?dchild=1&keywords=hose+pressure+regulator&qid=1621328432&sr=8-8
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Re: City water pressure

Postby Viper » May 18th, 2021, 7:08 am

Hans, that's the same spec as most dockside inlets with built-in regulators. Most are anywhere from 45 to 65 psi depending on the model. Some units were actually serviceable, but I don't know if any are still made that way.
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Re: City water pressure

Postby RussL » May 18th, 2021, 7:26 am

removed
Last edited by RussL on May 18th, 2021, 7:45 am, edited 1 time in total.
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Re: City water pressure

Postby RussL » May 18th, 2021, 7:33 am

I replied and it shows I did... but I don't see a message. if this shows 2 times at some point my apologies...

Most likely the inlet has a check valve / Water pressure reducer either in it or directly behind it. This type is common and they are build in. (https://cdn11.bigcommerce.com/s-6rtev5owwo/images/stencil/1280x1280/products/235007/125853/183-029-18__20928.1581002960.jpg?c=2) They can get stuck or damaged from freeze if there is still water sitting in them.

I also know someone who installed a water filter directly behind their inlet. It froze and split wide open... I assume you don't hear water or bilge alarms? :banghead: :lol:
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Re: City water pressure

Postby Midnightsun » May 18th, 2021, 11:56 am

Viper wrote:Source of the post Hans, that's the same spec as most dockside inlets with built-in regulators. Most are anywhere from 45 to 65 psi depending on the model. Some units were actually serviceable, but I don't know if any are still made that way.


I had a Shurflo brand from the factory so I swapped it out for the same unit. Pressure was once again inadequate, same as before. Threw out an $80 new part and replaced with outboard regulator and non regulated inlet, problem solved. My best guess it the pressure I got out of the Shurflo unit was less than 35psi on a good day. https://www.westmarine.com/buy/shurflo- ... et--183725

Bought a stainless steel regulator thinking go with the best. Plugged it into the hose at the dock and nothing came out but a small trickle. They sure do not make things like they used to! :angry:
Cheers, Hans
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Re: City water pressure

Postby g36 » May 18th, 2021, 5:40 pm

Yep I also use a external hose type pressure regulator and check only on my water inlet
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