Smith Cast Iron Boilers GT Series - Manual (Page 42)

GT INSTALLATION AND OPERATION INSTRUCTIONS Page 42
REPLACEMENT PARTS LIST
Replacement parts are available from your stocking wholesaler. Homeowners must contact their
local installer or wholesaler.
Figure 49 - Replacement Parts Exploded View - Model GT400
Item Part Number Description
1 GT-83173 Premix Burner (For 400)
1A GT-82761 Premix Burner Gasket
2 GT-82457 Transformer, 24V
3 GT-83171 Sentry 2100 Assembly
4 GT-82994 EBM BLOWER #RG148/E
5 GT-82989 Gas Valve VR8615VB 1044B
5A GT-82991 Gas Valve Adapter, 3/4" NPT
5B GT-83194 Gas Valve Connector O-ring
GT-83016 Gas Valve Harness
6 GT-82662 Air switch Huba @ 0.2"wc.
6C GT-82539 Air Vent
7 GT-83035 Thermister NTC 1/4" NPT, 1Mohm
8 GT-82058 Ignition Module (Fenwal)
9 GT-82708 IGNITER, #601, c/w SS Heat shield
10 GT-82762 Flame Rod Rauschert
11 GT-82906 Air Switch 604.E421180 set @ 3" wc
12 GT-82992 Limit Switch, 1/4"NPT, (Manifold)
13 GT-82926 400 Heat Exchanger, ASME
14 GT-82993 Gas Valve Orifi ce, 8.0mm, NG
14A GT-83017 Gas Valve Orifi ce, 6.2mm, LP
15 GT-81887 Flow Switch, FS-10C
16 GT-82766 Blower Gasket
17 GT-83037 TEE NYLON 3/4"HB to 3/4"
17A GT-83038 ADAPTER NYLON, 3/4" x 1/4"
18 GT-82913 SIPHON CONDENSATE TRAP
19A GT-82769 Burner Door Ceramic Disc
19B GT-82770 Burner Door Viton Gasket
20 GT-82768 Igniter Gasket
21 GT-83034 Exhaust Test Plug
22 GT-83195 Extended Air Tube
23 GT-83141 Control Panel, Complete
24 GT-82990 CVI Venturi
25 GT-83106 O-ring, Venturi to Blower
26 GT-83001 Test Port Retaining Clamp
27 GT-82754-1 PCB Optocoupler
28 29 GT-83170-1 Air Metering Assembly
30 GT-81027-1 Sentry 2100 (10K) Outdoor Probe
31 GT-83018 Vent Screen, 4"
32 GT-83019 Vent Screen, 6"
33 GT-83013 Nipple, 1-1/4" x 8", Brass
34 GT-83005 1-1/4"x 1-1/4"x 3/4" Tee Brass
35 GT-13701 RELIEF VALVE 3/4" #335 30 PSI
36 GT-82148 PRESSURE GAUGE 0-30 PSI
37 GT-83112 Divider Insul. (c/w washer & screw)
Item Part Number Description
29
28
16
14
1A 10
18
5A
5B
5
24
25 4
1
22
37
23
20
19B
19A
17A 17
14A
36
34
30
13
26
21
19
9
2
8
3
11
6
6C
15
12
7
Reverse
Angle
30
33
32
31
SIOM-152