— Page 27 —
© 2008 Aqua-Hot
®
375-D Hydronic Heating System Installation Manual Rev. A
1.5 inch black pipe exhaust fitting
2.0 inch I
.D.Au
tomotiv
e type e
xhaust p
ipe
NOTE:
A maximum of two 90º bends is allowed in the
exhaust pipe. Also, the exhaust pipe cannot
exceed 20 feet.
The three black pipe exhaust fittings MUST be
utilized with all installations! Failure to conform
could create a hazardous situation and will void the
Aqua-Hot’s ETL product listing.
Figure 39
section 8: Exhaust system
Front of Aqua-Hot
Exhaust Elbow
and Nipples
Assembly
1.5 inch
Exhaust
Port
NOTE: The exhaust elbow can be
rotated 270° as shown in the
illustration; however, the
exhaust must not terminate
beneath the vehicle or beneath
an openable window or vent.
View from underneath
Figure 40
Summary of Contents for 375D
Page 1: ...2008 Aqua Hot Heating Systems Inc Installation Manual...
Page 38: ...Wiring Diagram Appendix A...
Page 40: ...Wire Gauge Information Appendix B...
Page 42: ...Antifreeze Types Appendix C...
Page 44: ...Antifreeze Mixture Water Quality Recommendations Appendix D...
Page 46: ...Antifreeze Terms and Mixture Ratio Appendix E...