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© 2008 Aqua-Hot
®
375-D Hydronic Heating System Installation Manual Rev. A
section 3: Hydronic Heating system
Constant Tension
Clamps
Pex
Insert
Pex
Insert
Outlet
Inlet
5/8 inch I.D.
3/4 inch O.D.
5/8 inch I.D.
3/4 inch O.D.
Automotive Type Rubber
Heater-Hose Coupler
(3/4 inch I.D.)
Automotive Type Rubber
Heater-Hose Coupler
(3/4 inch I.D.)
PEX Plumbing Line
PEX Plumbing Line
3/4 in. Rubber
Coupler
3/4 in. Rubber
Coupler
Figure 24
Inlet Heating
Loop Ports
(with installed barb
fittings)
Outlet Heating
Loop Ports
(with installed barb
fittings)
Inlet Heating
Loop Ports
(with installed
compression fittings)
Outlet Heating
Loop Ports
(with installed
compression fittings)
Barbed Fitting
Heater Hose
Pex Tubing
Pex Tubing
Pex Insert
Compression Fitting
Pex Insert
Single-Wire Hose Clamp
Constant Tension Band Clamp
Figure 25
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...