© 2008 Aqua-Hot
®
600-D Hydronic Heating System Installation Manual
— Page 28 —
section 7: Engine Preheat system
VEHICLE'S
ENGINE
IDEAL
INCOMING PORT
(top side of engine)
POTENTIAL
OUTLET PORT
(pressure outlet port)
Ideal Return Port
T(ToTTop side of the engine)
Hose Clamp
Automotive-Type
Heater Hose
Automotive Type
Heater-Hose
Hose Clamp
(M) NPT by
Hose Barb
To the Aqua-Hot’s
Engine Preheat
“Inlet” Port
From the Aqua-Hot’s
Engine Preheat “Outlet” Port
45
°
(M) NPT by
Hose Barb
Figure 37
Figure 38
Engine Preheat
Outlet
Engine
Preheat
Inlet
Summary of Contents for 600-D
Page 1: ...2008 Aqua Hot Heating Systems Inc Installation Manual...
Page 43: ...Appendix B Appendix B Wire Gauge Information...
Page 45: ...Appendix C Appendix C Electronic Controller Features...
Page 48: ...Appendix D Appendix D Antifreeze Types...
Page 50: ...Appendix E Appendix E Antifreeze Mixture Water Quality Recommendations...
Page 52: ...Appendix F Appendix F Antifreeze Terms and Mixture Ratio...