AERCO Coil & Riser Replacement - Manual (Page 12)

PR2: 04/01/11 Page 12 of 16 AERCO International, Inc. • 100 Oritani Dr. • Blauvelt, New York 10913 • Phone: 800-526-0288
Coil/Riser Replace Instructions for Helitherm Water Heaters
Technical instructions TID-0038_0A
HE-109
B* A*
LOWER HEAD
SUB-COOLING
COIL
CONDENSATE
RISER
* MEASUREMENTS A & B SHOULD BE EQUAL
STUD
STUD
Figure 6: Sub-Cooling Coil Alignment
Figure 7: Assembly of Coil to Steam Riser or Condensate Return
STEAM RISER OR
CONDENSATE RETURN
UNION NUT
COIL GASKET
BOX
HEADER
SPUD