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Posted by HeatPro on March 16, 2005 at 12:04:37:
In Reply to: pressure problem posted by kathy on March 15, 2005 at 22:50:33:
Provided there is no leak in a tankless coil or pressure reducing valve, it is the job of an expansion tank to accept the water created by expansion. If the new expansion tank is too small or damaged, the water will come out the releif valve.
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