[C320-list] Basic hot water heater and charging question

[Art Harden]

You are correct on all counts. 

Sent from my iPhone

> On Sep 15, 2018, at 7:58 PM, Jeff Smith <jeffreyssmith at live.com> wrote:
> 
> Gene,
> 
> I may be wrong, but my understanding is that the water heater draws AC current when on shore power. When motoring, hot water occurs because of the recirculating system ‎using the cooling system of the engine. Thus, you will have residual hot water after motoring until the heat finally dissipates.
> 
> If I recall correctly, my hot water breaker is a push button breaker, not a toggle.
> 
> Hope this helps. Someone should correct me if I am wrong.
> 
> Jeff
> '94, #121
> 
> 
> Sent from my BlackBerry 10 smartphone.
>  Original Message
> From: Gene Helfman
> Sent: Saturday, September 15, 2018 7:52 PM
> To: C320-List at catalina320.com
> Reply To: C320-List at Catalina320.com
> Subject: [C320-list] Basic hot water heater and charging question
> 
> 
> Very basic: from where does the hot water heater draw electricity?  Is it
> off the battery bank?  The alternator? The battery when the alternator
> isn't charging?
> 
> I ask because we are having alternator problems when motoring.  Or maybe
> voltage regulator problems.  We get full charging for 30-35 minutes
> regardless of battery state, then it shuts off, meaning we are then drawing
> from the house 4Ds. When we shut the engine off (an hour or more later), we
> have lots of hot water. We're concerned that once the alternator shuts off,
> the water heater is still drawing power until the WH thermostat shuts it
> down.
> 
> If so, is there an easy way to turn the hot water heater off.  It isn't an
> obvious toggle on the instrument panel.
> 
> thanks,
> gene
> Satori, #398, 1997
> --
> Gene Helfman, Professor Emeritus
> Odum School of Ecology, University of Georgia
> PERMANENT address:
>    498 Shoreland Dr., Lopez Is., WA 98261
>    (360) 468-2136
>    genehelfman at gmail.com
> 
> *Zero tolerance is great for building airplanes but not for running
> countries.*