© 20101 Aqua-Hot
®
375-LP Installation Manual
SECTION 1: AQUA-HOT HYDRONIC HEATING SYSTEM
Figure 4
— Page 9 —
Interlock
Switch
Propane
Burner
Controller
Zone 1
Circulation
Pump
Drain Valve
Zone 2
Circulation
Pump
Domestic
Water
Assembly
Fuse Block
Zone 2
Relay
Zone 1
Relay
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