[C320-list] No hot water pressure

[Troy Dunn]

P.S. Jeff Hare has a really good technical article posted on the C320
website called working with whale fittings.   If you search the site for
that article you will see diagrams that describe what I’m talking about.
In his diagram the fitting compression collet is blue not grey.



On Sun, Sep 9, 2018 at 12:24 PM Troy Dunn <troutwarrior at gmail.com> wrote:

> Jack
>
> The whale fittings are pretty easy to undo and redo.   You will notice
> that there is a white cap ring where the 15mm tubing enters the fitting.
> Pop off the cap ring with a smallish screwdriver, like the kind you might
> use for putting in the screws on indoor AC light switch covers and outlet
> covers and such.   There is a small slot between the cap ring and the rest
> of the body for this purpose.   Next you will see a grayish colored
> retaining clip.   Remove the retaining clip.   Now to remove the tubing you
> push down on the grayish part of the fitting that the clip prevented from
> being compressed.  Once compressed, the tubing will slide right out...with
> maybe a little, but not much force.    Basically you are using in the
> fitting lock while pulling away the tubing.  Once you get the hang of it,
> these are really easy to work.
>
> You can reassemble the fittings in reverse order, just be sure to give the
> tubing a good hard shove so that it actually bottoms out in the
> fitting...if you don't get it fully seated, the fitting will leak.
>
> Curious to hear what you find blocking the flow.
>
> Troy
>
> On Sun, Sep 9, 2018 at 11:44 AM Jon Vez <jonvez at comcast.net> wrote:
>
>> Actually it sounds like you may have a vacuum in the hot water tank if
>> opening the water drain creates pressure. The Pressure relief valve could
>> be your problem if it’s not the check valve....
>>
>> Sent from my iPad
>>
>> > On Sep 9, 2018, at 11:21 AM, Jack Brennan <jackbrennan at bellsouth.net>
>> wrote:
>> >
>> > OK. The plot thickens. When I open the water heater's drain valve,  hot
>> water comes out and the water pressure pump kicks on. The red line leaving
>> the tank has warm water in it. However, after a quick-connect T fitting
>> that routes the hot water around the boat, the water is cool.
>> >
>> > Which leads me to suspect the quick-connect T fitting is clogged, maybe
>> with rust?
>> >
>> > Which leads me to my next question: How do these quick-connect fittings
>> work on the red and blue water lines?
>> >
>> > Thanks in advance.
>> >
>> > Jack Brennan
>> > Sonas, 1998 Catalina 320, No. 528
>> > Tierra Verde, Fl.
>> >
>> >
>> > ---
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>>
>>