Replacement Parts List

GAS
308 Discontinued Service Parts
LGB - Series 1 - Universal Control System - Natural Gas
IRI / FM Pilot Gas Control Train / Flame Sensing Parts
Fig.
No.
Part No. Description Mfr.
Mfr.’s Part
No.
Qty Per
Boiler Size
6-12 13-23
IRI And FM Pilot Line Gas Train Components
1 511-246-345
Pilot Line Manual Shut-off Gas Valve, ¼" N.P.T. Male x ¼"
N.P.T. Female
Conbraco 53-300-01 1 2
2 510-933-195
Pilot Line Gas Pressure Regulating Valve, 3.5-7.0" W.C.
Outlet Adjustment Range, ¼" N.P.T.
Maxitrol RV20VL-22 1 2
3 511-044-040
Pilot Line Solenoid Gas Valve, Quick Opening, 120 Volt, ¼"
N.P.T.
Johnson
H91ABA-
12C
1 2
4 560-742-915 Pilot Line Aluminum Tubing, ¼" O.D. x 100" Coil Weil-McLain
1 2
IRI And FM Pilots, Flame Sensing And Ignition Components
5 511-330-181
Combination Pilot Burner With Fame Rod, Ignition
Electrode, and Natural Gas Orice, 0.026" Dia.
Honeywell Q179C1009 1 1
6 511-330-170
Combination Pilot Burner With Ignition Sensing Electrode,
Natural Gas Orice and Ignition Wire
Honeywell Q348A1002 1
7 460-005-624 Combination Pilot Burner Mounting Bracket Weil-McLain
1 2
8 591-391-798 Ignition Cable, 36" Long, For Q179C Pilot W
eil-McLain
1 1
9 51
1-724-274 Main Fame Sensor Honeywell MH 392956 1 1
10 423-300-420 Main Fame Sensor Mounting Bracket Weil-McLain 1 1
11 590-849-236
Flame Rod Cable For Main Fame Sensor and Q179C Pilot
(Feet Required)
Honeywell R129 8020 4’ 4’
12 591-850-140
Rajah Connector, Female (Connects Sensing Cable To
Q179C Pilot)
Weil-McLain
1 1
13 51
1-802-625 Solid State Ignition Transformer, 120 Volt/6,000 Volt Dongan AO6-SA-6 1 1
14 510-811-456
S86H Conversion to UCS Kit (Includes: Control Panel, 2
Ignition/Sensing Control Modules, Pilot Burner Assembly,
Wiring Harness and Ignition Cable)
- 1
15 510-312-166
Control Transformer/Relay Receptacle 120/24 Volt, 40 VA,
Plate Mounted, for Universal Control System (UCS) Ignition
Sensing Control
Honeywell AT72 H1002 - 1
White-
Rodgers
599-9002 - 1