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Old 30-01-2011, 05:01   #1
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Wolter 300 - in Need of a Little Hot Water


I have a Wolter 300 water heater in need of a little electrical repair. I am aware this manufacturer ceased production some time ago however, the available space dictates the replacement of the unit with one of a similar physical size (400 (h), 300(w) and 100 (d) millimetres or a repair to the existing system.

Firstly, is there a suitable replacement system on the market or secondly is there a circuit diagram for Wolter 300 or a supplier of suitable replacement parts to affect some repairs?


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Old 30-01-2011, 05:10   #2
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Wolter 300 water heater - replaced

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Old 30-01-2011, 05:58   #3
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I had one of these on our previous cat, and was very happy with it.

IIRC there ins't anything as small as the Wolter, unless this Bosch unit mentioned is now in a smaller package than it used to be.

I spoke with Gary (I think) Wolter years ago, and the impression I got was that it was made of all stock components (except the coil, I assume) so I'd think there would be a good chance of repairing your unit,if nothing else fits.
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Old 30-01-2011, 07:39   #4
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Greetings and welcome aboard the CF, Take5.

There’s numerous manufacturers of instant water heaters, but most aren’t suitable for boats.

Wolther 300 Instant (Tankless) Water Heater
Owner’s Manual ➥

Gerry Wolter is now President of PrecisionTemp Inc.
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"If you didn't have the time or money to do it right in the first place, when will you get the time/$ to fix it?"

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water, Wolter 300

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