Water heater in battery room

dfvellone
dfvellone Registered Users Posts: 2 ✭
in Off Grid Solar & Battery Systems #1

My new battery room will accommodate my 8 trojan l16re batteries that will be housed in a battery box, and I'd like to include my gas fired water heater. The room is 169 sq. feet. I'm looking into sealed combustion heaters which utilize outside air for combustion - that would be my preference - and I'm thinking that it should be a safe situation. Any thoughts on this?

Also, given the size of the room and if I vent the battery box to the outside would a standard water heater be a potential problem?


Thanks, Daniel

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  • mike95490
    mike95490 Solar Expert Posts: 9,583 ✭✭✭✭✭
    #2

    I would never locate flame in a battery room, no matter what venting you had

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  • dfvellone
    dfvellone Registered Users Posts: 2 ✭
    #3
    https://forum.solar-electric.com/discussion/comment/396239#Comment_396239

    Even if the unit utilizes sealed combustion?

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  • mike95490
    mike95490 Solar Expert Posts: 9,583 ✭✭✭✭✭
    #4

    I would not do it myself. or suggest it would be safe to do.

    Powerfab top of pole PV mount | Listeroid 6/1 w/st5 gen head | XW6048 inverter/chgr | Iota 48V/15A charger | Morningstar 60A MPPT | 48V, 800A NiFe Battery (in series)| 15, Evergreen 205w "12V" PV array on pole | Midnight ePanel | Grundfos 10 SO5-9 with 3 wire Franklin Electric motor (1/2hp 240V 1ph ) on a timer for 3 hr noontime run - Runs off PV ||
    || Midnight Classic 200 | 10, Evergreen 200w in a 160VOC array ||
    || VEC1093 12V Charger | Maha C401 aa/aaa Charger | SureSine | Sunsaver MPPT 15A

    solar: http://tinyurl.com/LMR-Solar
    gen: http://tinyurl.com/LMR-Lister ,

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  • Dave Angelini
    Dave Angelini Solar Expert Posts: 6,917 ✭✭✭✭✭✭
    #5

    If the room were larger I might think this is OK . Like a garage and sealed combustion.

    The only problem in my mind with venting to the outside is when the vent fan fails. I like a big room with an open style battery box with a means to secure the top from cats and kids, a plastic acid tarp underneath, and a smoke alarm/extinguisher. I do not like to see a sealed box (inside) as they always seem to increase corrosion. Easy access is very important.

    "we go where power lines don't" Sierra Nevada mountain area
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  • Tecnodave
    Tecnodave Registered Users Posts: 437 ✭✭✭✭
    #6

    Hydrogen gas as generated by battery gassing burns at 6250 feet per second! That's a mile and a quarter per second! When Three Mile Island Nuclear power plant blew up they said they had a "rapid hydrogen burn" yeah right!

    At Fukushima they admitted they had a hydrogen explosion, did you see the videos?

    Absolutely no way would I put hydrogen gas anywhere near a flame even if the battery box had positive ventilation and the heater had sealed burners. Not ever

    nuff said

    david

    2 Classic 150, 2 Kid, 5 arrays 7.5 kw total  2ea.  2S6P Sharp NE-170/NE-165, 1ea. 12P Sanyo HIT 200,  2ea. 4/6P Sanyo HIT 200, MagnaSine MS4024AE, Exeltech XP-1100,  2 Banks L-16 battery, Rolls-Surette S-530 and Interstate Traction, Shunts with whizbangJr and Bogart Tri-Metric, iCharger i208B  dc-dc buck/boost converter with BMS for small form lithium 8S 16650 or LiFePO4,
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