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Posted by Dave on May 31, 2006 at 10:39:52:
In Reply to: Re: could we have combustion problem? posted by HeatPro on May 30, 2006 at 11:38:44:
With the high stage firing, the needle oscillates between about 0 and 40 psi.
With the low stage only on, it oscillates between 20-25 psi.
The boiler is otherwise completely silent, and the pressure gauge on the outlet side of the boiler has no oscillation at all.
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