Innovation Anode Retrofit Kit Instructions
Kit # 24429
TID-0128_0B
05/21/2015
AERCO International, Inc.
•
100 Oritani Dr.
•
Blauvelt, New York 10913
•
Phone: 800-526-0288
Page 3 of 6
Preparing the Unit for Retrofit –
Continued
2.
Turn off the supply gas upstream from the unit.
3.
Allow enough time for the unit to return to room temperature.
4.
Close the water inlet, outlet, and recirculation shut-off valves to the unit.
5.
Carefully open the drain valve while opening the relief valve on the rear of the unit to
relieve pressure and allow air into the shell.
Do not drain the unit without venting the shell! A vacuum in the unit may
displace the head liner causing serious damage not covered by warranty.
6.
Remove all panels from the front, top and sides of the unit, to provide access to the heat
exchanger top plate.
IMPORTANT!
Observe local requirements and lockout procedures when
working on the unit.
4.
Disassembling the Unit
Disassembling the Unit
1.
Referring to Figure 2, remove the 5/8-11 hex nuts and washers from the upper head and
then remove the upper head.
2.
Remove the upper head-liner (copper or other material) and retain it for reassembly.
3.
Remove the head release gasket and discard it.
4.
Remove the head gasket and discard it.
Figure 2: Heat Exchanger Head Configuration
5.
Installing the Anode Assembly
Once the upper head has been removed, refer to Figure 3, below, and complete the instructions
below to install the anode assembly.
CAUTION
5/8-11 X 3-3/4” STUD
5/8-11 HEX NUT
UPPER HEAD
SHELL FLANGE
HEAT EXCHANGER
UPPER HEAD LINER
(P/N 123077)
HEAD RELEASE
GASKET
(P/N GP-18556)
HEAD GASKET
(P/N GP-18532)
