AERCO ECS Upgrade for SW Double Wall Heaters User Manual
Page 12
ECS Upgrade for SW Double Wall Heaters, Kits 27035, 27036, 27037
Technical Instruction Document
TID-0142_0A
12/30/2014
AERCO International, Inc. • 100 Oritani Dr. • Blauvelt, New York 10913 • Phone: 800-526-0288 Page 12 of 24
16. Obtain the following from kit:
• 1.5” Taco Circulator Cartridge w/ seals (69101)
• Bolts and Nuts for flanges from Step 10
17. Place pump seal in channel in flange on lower assembly.
18. Following Taco instructions included with circulator, Seat Circulator Cartridge on flange as
shown in Figure 2-3.
19. Insert bolts through lower flange and Circulator Cartridge and screw on nuts to snug
20. Place pump seal in channel on topside of Circulator Cartridge.
21. Seat tubing assembly on circulator
22. Attach tube assembly street elbow to upper union
23. Insert bolts through upper flange and Circulator Cartridge and screw on nuts to snug
24. Check for proper alignment
25. Tighten all connections and fasteners
26. Obtain the following from kit:
• Thermocouple (61009-1)
27. Screw thermocouple into threaded coupling on Cold Water Inlet
28. Connect the outlet piping to new Hot Water Outlet Tee.
29. Conduct checks laid out in section 3.1
2.5.2 Thermocouple & Circulator Installation For SWDW Heaters – Compression Fittings
NOTE: This is an acceptable alternative to brazing; see Section 2.5.1.
Use Loctite™ 565 or equivalent on all threaded potable water fittings. Loctite 567 may also be
used. Refer to Figure 2-3 for proper positioning.
1. Obtain Compression fittings (97052) from upgrade kit and determine manufacturer.
2. Obtain Manufacturer’s Instruction Manual:
• Hoke/Gyralok
• Parker Fittings
Contact manufacturer
• Swagelok MS-13-151 R6
3. Follow steps 1 through 8 in section 2.5.1 above.
4. Obtain the following from kit:
• 1.5” Street elbow (12614-8)
• 1.5” tube OD x 1.5” male NPT adapter (97052) x2
• 1.5” Copper tube (91045-45.00)
• 1.5” Flange w/ 2 3/8”-16 nuts (59095)
5. Following Manufacturer’s instructions, attach one (1) 1.5” tube ODx 1.5” male NPT adapter
to one end of tube.