Gas supply connection, Gas supply connections, Piping diagrams – Raypak RAYTHERM 0180B User Manual
Page 17
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17
Air
Scoop
Diaphragm
Expansion Tank
Feed
Valve
Pipe Pressure
Relief Valve
to Drain
Cold Water
Inlet
Heating Units
Air Vent
Fig. 15: Single-Zone Piping
Air
Scoop
Air Vent
Diaphragm
Expansion Tank
Feed
Valve
Pipe Pressure
Relief Valve
to Drain
Cold Water
Inlet
Heating Units
Circulators
12” Max.
Fig. 16: Multiple Zones with Circulators
Piping Diagrams
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