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Weil McLain HE II Boiler Image 4

This is the control module, yours may look different, This is the heart of the boiler, it controls everything. Most people and many heating techs make the mistake of assuming the control is defective first, sometimes it is, many times it is not. DO NOT MESS WITH THIS CONTROL DO NOT MOVE WIRES AROUND IN AN ATTEMPT TO FIX YOUR BOILER YOUR SELF, doing so can bypass important safety components, causing explosions, fire, and or carbon monoxide poisoning.

Weil McLain Boiler

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