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Looking for inverter recommendations.

Post in 'The Boiler Room - Wood Boilers and Furnaces' started by huffdawg, Mar 21, 2013.

  1. huffdawg

    huffdawg Minister of Fire

    Joined:
    Oct 3, 2009
    Messages:
    1,053
    Loc:
    British Columbia Canada
    I have just come across 2 8D batteries. I'm looking for an affordable and reliable inverter.
    Also what is the best way to connect the batteries for use on an inverter,in series for 48 volts or parallel @ 24 volts.
    I'll be using it to run my boiler and pumps in the event of a blackout.

    Thanx Huff

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  2. Fred61

    Fred61 Minister of Fire

    Joined:
    Nov 26, 2008
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    1,717
    Loc:
    Southeastern Vt.
    I have a 1500 watt unit that I have hooked up to my RV batteries. Three 12 volt deep cycle. I recommend a pure sine wave unit if like me you are skiddish about burning something up. I originally installed a modified sine wave unit but the circulators hummed and the Eko control was strobing.

    The unit I have has the built in battery charger and automatic switch over when power drops out. It also has a remote control. Actually I don't use it since I installed my propane back-up generator but I decided to keep it. Right now it is being used an an expensive battery maintainer for the RV batteries while the RV is hibernating in the shed. This is the outfit I got it from but upon a quick glance, I didn't see mine in there.

    http://www.theinverterstore.com/

    The speil I got from one salesman was that you needed a much higher wattage than your load if you used a modified sine wave vs pure sine wave. Don't know! There are members here that actually do know. We'll be hearing from them.
  3. Nofossil

    Nofossil Moderator Emeritus

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    Oct 4, 2007
    Messages:
    3,403
    Loc:
    Addison County, Vermont
    I'll echo the pure sine observation. Modified sine seems to not work well with heating system components - less than full circulator speeds, for instance. I'm using a full-sine computer UPS at the moment.

    RVs use inverters in the right power range and I think there are some that aren't outrageously expensive.
  4. huffdawg

    huffdawg Minister of Fire

    Joined:
    Oct 3, 2009
    Messages:
    1,053
    Loc:
    British Columbia Canada
    thanx Bill. By the way how is your new controller coming along .
  5. Nofossil

    Nofossil Moderator Emeritus

    Joined:
    Oct 4, 2007
    Messages:
    3,403
    Loc:
    Addison County, Vermont
    Like pulling teeth.... We have a really nice new enclosure design, and with any luck I'll be able to get a more powerful and marginally less expensive card set. Everything takes longer that you might expect, though :-(

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