Raypak HD101 Water Heater User Manual


 
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Fig. 10: Single Boiler — Low Temperature Application (Heat Pump) Primary/Secondary Piping
Fig. 11: Dual Boiler—Primary/Secondary Piping
*Maximum 4 times the pipe diameter or 12”, whichever is less.
*Maximum 4 times the pipe diameter or 12”, whichever is less.