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© 2011 Aqua-Hot
®
AHE-100-02S Hydronic Heating System Service Manual—Rev. B
APPENDIX B: BLEEDING THE INTERIOR HEATING ZONE CIRCULATION PUMP
Air
Blower
Expansion
Tank Tubing
13 lb
Radiator Cap
Using an Air Blower to pressurize the Boiler Tank
NOTE: If too much air pressure is applied to the boiler tank, it will leak out
around the radiator cap’s rubber seal.
Figure B3
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