34000 Autry Street, Livonia, MI 48150 • 800.968.5530 • Fax 734.419.0209 • www.hamiltonengineering.com • LIT91127 REV 3/09
NO. ON
DRAWING
PART DESCRIPTION PART NO.
299
PART NO.
399
PART NO.
599
22 Flow Switch C/F C/F C/F
23 Air / gas mixing pipe - fan to burner BNR 74018 BNR 74018 BNR 74016
24 Gasket air / gas inlet pipe & fan GKT 74049 GKT 74049 GKT 74039
25 Fan RG 148 - 175, including “O” ring FAN 74069 FAN 74069 FAN 74070
26 O-ring mixing box - fan GKT 74007 GKT 74007 GKT 74029
27 Air / gas mixing box FAN 74058 FAN 74058 FAN 74061
29 Coil EV1 gas valve VAL 74348 VAL 74348 VAL 74348
30 Coil EV gas valve VAL 74347 VAL 74347 VAL 74347
31 Gas valve, including seal ring VAL 74059 VAL 74059 VAL 74060
32 Condensate Drain Tube CDK 74044 CDK 74044 CDK 74029
33 Condensate drain assembly CDK 74124 CDK 74124 CDK 74124
34 Condensate drain hose CDK 74038 CDK 74038 CDK 74038
35 Rubber Adaptor for air inlet condense hose GKT 74074 GKT 74074 GKT 74074
36 Hose Pressure switch MSC 74055 MSC 74055 MSC 74055
37, 61 Condense Hose CDK 74001 CDK 74001 CDK 74001
38 Pressure Switch PRS 74326 PRS 74326 PRS 74326
39 Switch On / Off SWT 74144 SWT 74144 SWT 74144
40 Plastic cover connector MSC 74062 MSC 74062 MSC 74062
41 Display-unit DU 914 including cable RLY 74061 RLY 74061 RLY 74061
42 Distance Nut C/F C/F C/F
43 Distance Nut C/F C/F C/F
44 Boiler control (PCB) - FMT 914 RLY 74062 RLY 74062 RLY 74062
45 Display Holder - 20 terminal or less JKR 74096 JKR 74096 JKR 74096
46 Cover plate boiler control C/F C/F C/F
47 Tube Gland Trap GKT 74044 GKT 74044 GKT 74044
48 Strain Relief 8mm MSC 74064 MSC 74064 MSC 74064
49 Silicon Gasket Flue GKT 74081 GKT 74081 GKT 74081
50 Automatic Air Vent HYD 72400 HYD 72400 HYD 72400
52 Flue Gas Connection C/F C/F C/F
54 Non return damper VAL 74097 VAL 74097 VAL 74098
55 Rubber Stop GKT 74092 GKT 74092 GKT 74092
57 Air inlet connection C/F C/F C/F
58, 60 Condense ange gasket - air inlet C/F C/F C/F
59 Condense ange w/Nipple CDK 74018 CDK 74018 CDK 74009
Immersion style 1/2” NPT w/4” stem with well TST 71010 TST 71010 TST 71010
Strap-on 2” - 5” pipe TST 71020 TST 71020 TST 71020
Outdoor sensor style - weatherproof enclosure TST 71030 TST 71030 TST 71030
Sensor Tank 1/8” NPT with 5’ lead and 1” probe TST 76071 TST 76071 TST 76071
Sensor Tank - 7’ lead and 2” x 3/16” probe for well TST 76110 TST 76110 TST 76110
Sensor Tank 1/8” NPT with 5’ lead and 3” probe TST 76010 TST 76010 TST 76010
Circuit Board Cascade Unit (not shown) RLY74300 RLY74300 RLY74300
Circuit Board Open Therm (not shown) RLY 74356 RLY 74356 RLY 74356
3.15A Fuse FUS 74315 FUS 74315 FUS 74315
MAINTENANCE
J. EVO DUO (HW 299-599) PARTS BREAKDOWN (CONTINUED)
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