Raypak 268A Installation And Operation Manual page 43

RELEASED
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HM HEAT EXCHANGER - METAL
1-HM Heat Exchanger Assy.Cupronickel ASME
Units manufactured from 12/2019 (Bronze)
Units manufactured prior to 12/2019 (Bronze)
2-HM Inlet/Outlet Header ASME Complete
Units manufactured from 12/2019 (Bronze)
Units manufactured prior to 12/2019 (Bronze)
Inlet/Outlet Header ASME (Header Only)
Units manufactured from 12/2019 (Bronze)
Units manufactured prior to 12/2019 (Bronze)
15-HM Inlet & Outlet Flange - Units manufactured prior to 12/2019
16-HM Flange Gasket 2" Connections - Units manufactured prior to 12/2019
3-HM Return Header ASME
Units manufactured from 12/2019 (Bronze)
Units manufactured prior to 12/2019 (Bronze)
4-HM Tube Bundle Cupronickel ASME *
Units manufactured from 12/2019
Units manufactured prior to 12/2019
5-HM Baffle
6-HM Stud Bolt Kit
Units manufactured from 12/2019
Units manufactured prior to 12/2019
7-HM Header Gasket (9)
8-HM Unitherm Governor - Units manufactured prior to 12/2019
9-HM U.G. Retainer Spring - Units manufactured prior to 12/2019
18-HM U.G. Plug - Units manufactured prior to 12/2019
10-HM Bypass Valve
11-HM Bypass Spring
Units with Plastic Bypass Valve - Units manufactured from 3/5/17 to 12/19
Units with Bronze Bypass Valve - Units manufactured prior to 3/5/17
12-HM Drain Valve
13-HM Sensor Well - Units manufactured prior to 12/2019
14-HM Well Retaining Clip - Units manufactured prior to 12/2019
17-HM Rear Drain Plug & Cover
19-HM Adapter CPVC 2"
20-HM Sensor Adapter Digital Electronic
26-HM Adapter - ProTek Shield (Includes 27-HM) from end of Q3 2020
27-HM Nut - ProTek Shield Adapter - 2-Pc from end of Q3 2020
28-HM U.G./Bypass Assembly - Units manufactured from 12/2019
29-HM ProTek™ Shield Assembly - Units manufactured from end of Q3 2020
J CONTROL BOX
1-J Transformer 120/240/24V
2-J Rocker Switch
M MISCELLANEOUS COMPONENTS
5-M Thermal Fuse
6-M PRV
PRV - 75 PSI - Units manufactured from 12/2019
PRV - 125 PSI - Units manufactured prior to 12/2019
7-M Deliming Kit
8-M Wire/Harness IID
11-M Control Bezel (Includes Switch Decal)
12-M Switch/Decal-Membrane
13-M Control Bezel Cover
14-M Gasket Insulation (Swaybrace & Jacket Top)
15-M Touch-up Paint
Cool Dark Gray
16-M Tie Down Bracket (Optional)
17-M Texas Code Option (ASME Only) - Units manufactured prior to 12/2019
Flanged Connection (Not Shown)
NPT Connection (Not Shown)
19-M Flow Switch
20-M Flow Switch Paddle Kit
21-M T & P Gauge
22-M 2" CPVC Connector (Outlet Plumbing)
NPT Connection
Flanged Connection
23-M 2" CPVC Connector & Nut (2)
24-M O Ring (2)
18-M PC Board Shield (Optional)
25-M Gas Line Finish Flange
*WARNING: The Hydraulic conditions or water chemistry that caused the tube bundle to fail have very likely also damaged the bypass valve and
Unitherm Governor. We recommend you replace the Unitherm Governor and inspect the bypass assembly. Failure to do so could cause
premature failure of this replacement part.
DESCRIPTION 268A 408A
017988F 017990F
013808F 013809F
018292F 018293F
013810F 013810F
018291F 018291F
013811F 013811F
013812F 013812F
016732F 016732F
017973F 017973F
002451F 002451F
017979F 017981F
013813F 013814F
013815F 013816F
017982F 017982F
007870F 007870F
800014B 800014B
062234B 062234B
013792F 013792F
013738F 013738F
016194F 016194F
016196F 016196F
013794F 013794F
013793F 013793F
003765F 003765F
300203 300203
005264F 005264F
005393F 005393F
006714F 006714F
018006F 018006F
018007F 018007F
017958F 017962F
017960F 017960F
006736F 006736F
009493F 009493F
005899F 005899F
017957F 017957F
011912F 011912F
052871F 052871F
013817F 013817F
013491F 013491F
013492F 013492F
009487F 009487F
010350F 010350F
750256 750256
011636 011636
015889F 015889F
015890F 015890F
007142F 007142F
010026F 010026F
014647F 014647F
013795F 013795F
015883F 015883F
006723F 006723F
006724F 006724F
015557F 015557F
016160F 016160F
43
For Reference Only