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Old 06-25-2006, 05:04 PM   #1
2 Rivet Member
1969 21' Globetrotter
Gilroy , California
Join Date: Jun 2006
Posts: 23
Is DSI 12v or 120v?

Have chosen Atwood 6 gallon with DSI to replace water heater in 1969 Globetrotter. Do I need to run 12 volt or 120 volt wire to the new water heater to provide the "spark"?

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Old 06-25-2006, 05:15 PM   #2
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1974 31' Sovereign
1993 21' Sovereign
Colfax , North Carolina
Join Date: Jun 2003
Posts: 19,576
It should be 12 volts. Every one I have seen has had 12 volts dc.

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Old 06-25-2006, 05:21 PM   #3
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1979 31' Excella 500
1975 28' Argosy 28
Rutledge , Georgia
Join Date: Apr 2005
Posts: 783
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Hi, Dick,

The heater needs 12 VDC to operate the ignitor. You'll need to decide where to mount the switch in the bathroom, too. I used a coathanger to fish it up into a plastic cabinet and used the template to cut an opening for the switch. I'm reasonably pleased with the way it came out.

Good luck. Take your time, and you'll be fine.

1975 Argosy 28 "Argosy"
1979 Excella 500 31 "Betsy"
1992 Lincoln Mk 7 LSC
2003 Dodge 2500 Cummins "TowHog"
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