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Part Number 550-101-009/0107
GOLD CGa Gas-Fired Water Boiler — Boiler Manual
For systems with possible low return-water temperature (such as converted gravity systems,
radiant heating systems and heat pump systems), refer to the special piping suggestions of
&IGURESn, as applies. Failure to prevent sustained low return water temperature to
the boiler could cause corrosion of the boiler sections, resulting in severe personal injury,
death or substantial property damage.
Water piping — multiple zones (continued)3c