Foaming steam boiler

kpc_14

Mark Lee

We installed a gas steam boiler last fall, standard residential, nothing fancy, cleaned and skimmed as normal, all okay, EXCEPT it keeps foaming! At first every week, then every two weeks, now about every 6 weeks it will get dirty and surge and go off on low water. We go out and skim, and everything will be fine for weeks. Then it starts foaming again.

Any idea how we can clean system once and for all, and what might be continually coming back and causing the boiler to foam??

Thanks

Mark

Rich L.

ph

Check your ph Mark. If needed (and I'm guessing it does) bring it down to between 7-9 and you should be ok. Vinegar will do it, But then your whole house may smell like dill pickels! Pool chemicals will work too.

Good luck, Rich L

joe lambert_2

I had the same problem with mine and after skimming it for the millionth time I broke down and bought some Hercules boiler cleaner. I followed the instructions, then skimmed the boiler again and it finally seems to be clean for good now.

Unknown

As said,

check the ph,,, if within 7-9 then it`s dirt,, sometimes it takes a lot of skimming and blowdowns to finally rid the system of it, depending-on how bad it was.
I had a system that took about 8 months to finally clean-up,, now its fine.

gerry gill

try

draining the wet returns, allow the steam to go into them, keep their drain valves open wasting the condensate..this steam cleans the wet returns, then hose flush the wet returns.

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