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Service Manual or wiring schematic and sequence of operation for The round Model 100
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JamesHolmes
Member Posts: 2
I do not know if there is a alphabet letter before the 100. They control system contains a large number of mechanical relays, and the spark transformer is covered in a smooth dome of metal. The boiler is a vertical cylinder.
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HydroTherm HydroPulse is the brand.0
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Pics would help.
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