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Author Topic: boiler ph ??  (Read 1245 times)

heat550

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boiler ph ??
« on: September 24, 2015, 10:42:10 PM »
OK installing new 400css and what it is the ph of the boiler water suppose to be . What's the best range. ? Have ph test strips.  :photo:

Heat550
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BoilerHouse

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Re: boiler ph ??
« Reply #1 on: October 01, 2015, 08:26:05 PM »
Should have a pH around 9.  Aim for 8.5 to 9.5.  Oxygen, at higher temps that boilers run at,  becomes more reactive (tends to form rust), above 10 and especially below 8. 
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Muskoka, Ont