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Posted by john cockerill on June 06, 2004 at 17:45:09:
In Reply to: what is going on with my system posted by Dave on March 14, 2004 at 19:50:38:
Have a professional review the piping. The pumps in series may not be in sink and force is being pushed agains the other. Is the primary free to flow back to itself through the boiler with proper pipe size? It's cheaper to find out the truth. for even heat consult www.exqheat.com