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Old 07-13-2016, 04:28 PM   #1
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MartinP's Avatar
Rexhall Owners Group
Join Date: Aug 2012
Location: Merrill, Oregon
Posts: 513
Truma Water Heater/Magnatek Converter

Had been contemplating installing a Truma water heater for sometime and finally took the plunge. The unit works as stated on demand continuous hot water. We did have a 10 gallon Suburban DSI unit before which work fairly well if we watched our shower time. Well not all went as according to plan. The unit worked fine at the dealership running of batteries but when I got home and connected to shore power the unit would show an over voltage fault. Time to trouble shoot........found that the convertor was putting 6 volts AC in to the DC circuit. Probably a failed diode or bad capacitor. Explains a couple of other funny things that I noticed on the DC indicator light panel. Got on line and did a little research and found that the Magnatek convertor is no longer produced.
Odered an upgrade from Best Convertors and installed, even came with a three stage battery charger. All is working as it should and I am glad that I caught it now rather than latter as it could have damaged other 12 DC equipment.

Martin Picke'
1998 Rexhall Anthem 34' DP, Cummins ISB, Allison 5 speed, Spartan Chassis, 300 watts solar.
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Old 07-14-2016, 08:56 AM   #2
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Fleetwood Owners Club
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Join Date: Jan 2000
Location: Silver Springs, FL. USA
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The old single stage Magnetecs were notorious for poorly regulated power. Power technology has come a long way since 1998 and evena cheap converter does a muchbetter job these days.

By the way, Magnetek is still around but is now named Parallax Power.
Gary Brinck
2004 American Tradition; 2014 Buick LaCRosse
Homebase in the Ocala Nat'l Forest near Ocala, FL
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converter, heat, heater, water, water heater

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