ECS & CXT-E Control Valve Retrofit for SW Double Wall Heaters
Technical Instruction Document
TID-0140_0A
12/30/2014
AERCO International, Inc.
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100 Oritani Dr.
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Blauvelt, New York 10913
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Phone: 800-526-0288
Page 39 of 58
18. Following Taco instructions included with circulator, Seat Circulator Cartridge on flange as
shown in Figure 4-6.
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 5.1
4.2.6 Thermocouple and Circulator Installation For SWDW – Compression Fittings
Use Locktite™ 565 or equivalent on all threaded potable water fittings. Locktite 567 may also be
used.
Refer to Figure 4-6 for proper positioning.
1.
Obtain Compression fittings (97052) from Retrofit kit and Determine Manufacturer.
2. Obtain Manufacturer’s Instruction Manual:
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Hoke/Gyralok
http://catalog.hoke.com/Asset/79002_Gyrolok_Catalog_Tech_Data.pdf
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Parker Fittings
Contact manufacturer www.parker.com/tfd
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Swagelok MS-13-151 R6
http://www.swagelok.com/downloads/WebCatalogs/EN/MS-13-151.PDF
3. Follow steps 1 through 8 in section 4.2.5 above.
4. Obtain the following from kit:
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1.5” Street elbow (12614-8)
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1.5” tube OD x 1.5” male NPT adapter (97052) x2
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1.5” Copper tube (91045-45.00)
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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.
6. Attach street elbow to 1.5” male NPT
7. Check for length—Size to accommodate the installation of the adaptor, the flange and the
pump.
8. Cut 1.5” copper tube to length