boiler ignites but water doesn't circulate

Old 12-17-04, 06:21 PM
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Unhappy boiler ignites but water doesn't circulate

We had to drain our system to replace a section of baseboard. We have refilled the system. it is has three zones. The boiler ignites but the water doesn't circulate through the system. Can you make a suggestion as to what the problem may be?
Old 12-18-04, 05:43 AM
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You need to find the air vents on the baseboards and let the air out. Do it with the circulator turned off.

Old 12-18-04, 07:38 AM
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Also double check to make sure the circulator pump is running when the boiler is fired. Since you introduced air to the system, Ken's recommendation will most likely solve your problem.

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