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noise in boiler

PETER RUFA
PETER RUFA Member Posts: 3
in THE MAIN WALL
WE HAVE A PERKING NOISE IN OUR BOILER WHEN IT CYCLES ON AND REACHES 120 DEGRES TEMPATURE., IT IS A LOUD POUNDING NOISE THAT VIBRATES THROUGH THE HOUSE. THIS HAS EXISTED SINCE THE BOILER WAS INSTALLED IN JULY 2001. IT IS A WEIL-MCLEAN MODEL CG-5-SP SERIES 12. THE MANUFACTURER RECOMMENDED CHANGING CIRCULATING PUMPS FROM TACO TO BELL & GOSSETT. THIS DID NOT CORRECT THE PROBLEM. THEN IT WAS RECOMMENDED A SPIROTHERM VALVE REPLACE THE AMERICAM AIR PURGER WITH FLOAT VENT. THE PROBLEM STILL EXIST. IS THERE ANYONE OUT THERE THAT CAN HELP US RID THIS NOISE. THE MANUFACTURE STATES IT IS AIR IN THE SYSTEM, THAT IS WHY WE HAVE APPLIED SPIROTHERM VALVE, THE CONTRACTOR STATES HOT SPOT IN THE COILS. WE HAVE INVESTED $550.00 ON RECOMMENDATIONS AND AS YET NO RELIEF FROM THE NOISE. THANK YOU FOR YOUR TIME AND HELP.
PETER RUFA

Comments

  • Steamhead
    Steamhead Member Posts: 17,384
    If the banging is inside the boiler

    two likely causes are sludge, or a flame that's too big or hitting the cast-iron parts of the boiler.

    This is a job for a pro. Go to the "Find a Professional" page of this site to locate someone near you who can make that boiler extremely quiet.


    To Learn More About This Professional, Click Here to Visit Their Ad in "Find A Contractor"
    All Steamed Up, Inc.
    Towson, MD, USA
    Steam, Vapor & Hot-Water Heating Specialists
    Oil & Gas Burner Service
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  • Mark Wolff
    Mark Wolff Member Posts: 256
    Caps

    Why are you yelling, are you deaf? Caps aren't needed.
  • Mark Eatherton1
    Mark Eatherton1 Member Posts: 2,542
    Peter...

    Please turn your caps lock key off. It's BLINDING me. Now to your problem. In the process of manufacturing cast iron boiler parts, sand is used as the mold. When the casting has set, the castings are shaken real hard to break up the sand and the sand falls out of the casting. Sometiomes, not all the sand comes out, and it can't be seen. When this happens, the flow through the boiler that normally cools the boiler sections is impeded by this sand blockage, and consequently the water boils to steam and causes banging.


    This is generally accompanied by a jumping of the water prssure as seen at the boilers outlet temperature/pressure gauge.

    It is my professional opinion, that if in fact this is the case, the manufacturer owes you a new boiler.

    Anytime you're in the "widget" making business, you MUST expect to have a few lemons. If you take those lemons and turn them into lemonade, you are doing good. If you ignore the lemons and hope they just go away, they generally leave a sour taste in many peoples mouth.

    I hope your Widget McLain gets replaced.

    ME
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