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    ninefoursixfour's Avatar
    ninefoursixfour Posts: 2, Reputation: 1
    New Member
    		  
    #1

    Feb 6, 2010, 10:01 AM
    How do I manually start a gas boiler without electricity?
    It is a radiator hot water system that is now divided into 2 zones: the original house which had a gravity system and a new kitchen addition.
    hvac1000's Avatar
    hvac1000 Posts: 14,540, Reputation: 435
    Heating & Air Conditioning Expert
    		  
    #2

    Feb 6, 2010, 11:32 AM
    You do not do that unless you have back up electric power. The safety control system needs electric to work.
    ninefoursixfour's Avatar
    ninefoursixfour Posts: 2, Reputation: 1
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    #3

    Feb 6, 2010, 08:17 PM
    Makes sense to me, though I recall the original system working when we lost power during a winter storm about 15 years ago. Maybe it's just a faulty memory. Would it make a difference if it were just a gravity system with a mercury thermostat?
    hvac1000's Avatar
    hvac1000 Posts: 14,540, Reputation: 435
    Heating & Air Conditioning Expert
    		  
    #4

    Feb 6, 2010, 08:41 PM
    I am sure with a gravity system with a millivolt generator type control it could be done but your system has now been modified for sure.
    tk03's Avatar
    tk03 Posts: 33, Reputation: 2
    Junior Member
    		  
    #5

    Feb 7, 2010, 09:52 AM

    The millivolt systems have been discontinued due to minimum government standards or maybe I should say government control.
    thisisnotme's Avatar
    thisisnotme Posts: 1, Reputation: 1
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    #6

    Feb 8, 2013, 11:59 AM
    I started my boiler during the '78 northeast blizzard using "D" batteries but I don't remember how many I had to string together but it was no more than 4.
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