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Posted by HeatPro on December 20, 2006 at 16:44:33:
In Reply to: WM 155 Blower posted by Coby on December 20, 2006 at 16:05:03:
Check the water temperature entering the boiler and leaving the boiler. If the water is less than 40F degrees hotter when it leaves, then the boiler control seems to have a problem, perhaps overfiring by not adjusting the gas input down to match the water flow. If the water is more than 40F warmer when it comes out of the boiler than when it enters, there is insufficient flow.
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