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Posted by Charles on December 22, 2003 at 20:11:53:
I have a weil Mclain CMG-6, the thermostat does not operate accurately. What would be the correct thermostat for my unit? What do you think of a digital thermostat? Do boilers require a special thermostat? and what is the plus and minus settings found on the inside of a mercury thermostat?
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