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4B gas boiler

mousy
mousy Member Posts: 1
in Thermostats and Controls
I can not get my boiler to fire up after shutting  it off to clean it

Comments

  • 109A_5
    109A_5 Member Posts: 1,845
    Hello @mousy,

    Revisit every thing you touched during the cleaning. If it has worked flawlessly until now, it is probably something that was touched or a failure as a result of the cleaning. Power on, Gas on, all wiring connections intact ? If that reveals nothing either you or a pro will have to troubleshoot it to discover the present defect.

    National - U.S. Gas Boiler 45+ Years Old
    Steam 300 SQ. FT. - EDR 347
    One Pipe System
  • JUGHNE
    JUGHNE Member Posts: 11,302
    Does it have a standing pilot flame or electric ignition?

    If you shut off the gas supply, it would have shut off the pilot light and it must be relite.
  • EdTheHeaterMan
    EdTheHeaterMan Member Posts: 9,633
    edited May 2023
    B4 I give any advise, I would like to know what a 4B boiler is!

    Get it? B4. 4B. Get it?

    Pictures, Age, Controls, Gas Train, more pictures?

    Edward Young Retired

    After you make that expensive repair and you still have the same problem, What will you check next?

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