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Posted by HeatPro on November 19, 2007 at 18:54:22:
In Reply to: HydroTherm Model R100 Gas-Fired Boiler Flame Roll-Out Problem posted by Steve on November 19, 2007 at 17:30:31:
Brush the passages with brushes that fit the slots until all is clean.
The gas valve can change over time to provide too much flame gas causing rollout, even though the flame looks good. Checking that requires a manometer and knowledge of how to use it.
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