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2nd ticking time bomb this season...

Tinman
Tinman Member Posts: 2,808
in THE MAIN WALL
...and it's only November. This older WM had a runaway burner, plugged fill valve, and no LWCO. We re-piped it, re-wired it, made it a lot safer, and a lot quieter.
Steve Minnich
ChrisJ

Comments

  • ChrisJ
    ChrisJ Member Posts: 16,122
    What's a "runaway" burner?
    Single pipe quasi-vapor system. Typical operating pressure 0.14 - 0.43 oz. EcoSteam ES-20 Advanced Control for Residential Steam boilers. Rectorseal Steamaster water treatment
  • Tinman
    Tinman Member Posts: 2,808
    edited November 2015
    A series of unfortunate events - the normally open contact for the burner circuit on the boiler failed in the closed position, the main limit was grossly inaccurate so it wasn't cutting off the burner until the temperature bottomed out past 220*. To make things far worse, the company who condemned the boiler before I got there lowered the pressure to 0 PSI "so it wouldn't explode", while keeping the boiler in operation. It was a very dangerous situation but the boiler didn't need to be condemned.
    Steve Minnich

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