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Posted by Harold hydronicnetwork.net on January 24, 2004 at 08:21:32:
In Reply to: boiler not firing in morning posted by Tony on January 24, 2004 at 08:00:03:
Steam systems are not usually new, so the wiring to them is often as old as the first boiler that used a thermostat. Twisted unsoldered connections, undersized wires, bad connections, dirty terminals, etc., can make undependable control. Old gas controls are often powerpile, which can not afford bad connections.
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