[C320-list] Past water heater posts

[Allan Field]

Bob - Following is what I still have on the hot water heater. - Allan Field

David - I had to replace the temp-pressure relief valve on the hot water
heater this summer.  The water would heat up (either from shore power or the
engine), blow off into the bilge, fill, heat up, blow off, and kept on
cycling until the tanks were empty.  I first removed the tank - not the
easiest job in the world - and placed a bypass on the engine side by simply
connecting the inflow/outflow lines together.  I ordered a new valve from
Seaward - about $20.00 US - and when the new valve arrived, installed that,
removed the bypass, hooked everything back up, reinstalled the hot water
heater and no more problems either on shore power or engine heating.  Make
sure to use plumbers putty in liberal amounts around the valve as there is a
tremendous amount of pressure in the tank once filled.  

Note that the hot water tank never completely empties no matter how long you
run the faucets.  There are probably 1-2 gallons left behind of very foul
and dirty water.  Unless you can blow the water out with an air compressor,
water always is left behind.  That is why I winterize with 10 gallons of
anti-freeze in the water tanks - the water left behind probably freezes over
the winter but hopefully only to slush.  At the end of the day, the design
of these tanks is awful for completely emptying.  The drain valve is just
set too high on the tank.

Hope this helps.

Allan S. Field
Sea Shadow - #808
Herrington Harbour South
Rosehaven, MD

-----Original Message-----
From: C320-List-bounces at catalina320.com
[mailto:C320-List-bounces at catalina320.com] On Behalf Of Detrick, David (GE
Commercial Finance)
Sent: Thursday, December 15, 2005 7:23 PM
To: C320-List at catalina320.com
Subject: [C320-list] RE: Two Questions from San Diego 2004 C-320


Sending this again--not sure if it was posted correctly the first time. 
thanks
> _____________________________________________ 
> From: 	Detrick, David (GE Commercial Finance)  
> Sent:	Sunday, December 11, 2005 10:06 PM
> To:	'C320-List at catalina320.com'
> Subject:	Two Questions from San Diego 2004 C-320
> 
> 1. Does running the heater generate water that goes to the bilge. Pump
> is running  more often than usual since running heater at a minumum
> temperatue setting.
> 
> 2. When washing down the boat exterior after a saltwater sail, is it
> necessary to use soap to better remove the saltwater? I am using soap
> and getting a ton of water spots after it drys.
> 
> Is there a soap to use that will not have these water spot problems. 
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-----Original Message-----
From: C320-List-bounces at catalina320.com
[mailto:C320-List-bounces at catalina320.com] On Behalf Of Robert Seastream
Sent: Friday, December 23, 2005 6:00 PM
To: C320-List
Subject: [C320-list] Past water heater posts

Greetings, All:

Bob here.  I live in New Boston, NH and moor my boat near Portsmouth, 
NH.  Just stepped out of a 1983 C25 into a 2002 C320.  I've been 
following the posts here (you've all given me plenty to consider!) and 
would like to review the one about the care and feeding of the hot 
water tank but think I deleted it.  Are there archives that I can dig 
up previous posts from?  Thanks!

Regards,

Bob


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