beautypg.com

Piping diagrams – Raypak 0180B Type H User Manual

Page 17

background image

17

Air
Scoop

Air Vent

Diaphragm
Expansion Tank

Feed
Valve

Pipe Pressure
Relief Valve
to Drain

Cold Water
Inlet

Heating Units

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