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Monitor 441 Fuel Oil Heater Multiple Bad Igniters

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beautifulisblue
beautifulisblue Member Posts: 1
in THE MAIN WALL

I have a Monitor 441 that came with our house in Central Idaho. It quit working in the spring and I disassembled it and found a cracked igniter/heater and the fuel bowl was pretty bad. I replaced everything and got new gaskets.

It worked great until mid winter and then the new igniter tested bad, no resistance and wouldn't heat up. I installed a new igniter thinking this one was perhaps bad. A couple months later and I have another bad igniter, no resistance and won't heat up. Anyone have experience with this? At $180 bucks a pop, these are painful to buy!

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  • Jamie Hall
    Jamie Hall Member Posts: 27,355

    Why are these things failing? One I can see. Two? Maybe. Three over that short a time span? I presume by your reference to "no resistance" that they are shorting out, and it would be worth finding out why…

    Br. Jamie, osb
    Building superintendent/caretaker, 7200 sq. ft. historic house museum with dependencies in New England

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