Replacement Parts List
Table Of Contents
GAS
Discontinued Service Parts 301
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 Orice, 0.026" Dia.
Honeywell Q179C1009 1 1
6 511-330-221
NG PIN Pilot Burner Assembly With Pilot Burner, Orice,
Sensing Lead and Ignition Cable
PSE NA-16 1 1
7 460-005-624 Combination Pilot Burner Mounting Bracket Weil-McLain
1 2
8 591-850-140
Rajah Connector
, Female (Connects Sensing Cable To
Q179C Pilot)
Weil-McLain
1 1
9 591-391-798 Ignition Cable, 36" Long, For Q179C Pilot W
eil-McLain
1 1
10 51
1-724-274 Main Fame Sensor Honeywell MH 392956 1 1
11 423-300-420 Main Fame Sensor Mounting Bracket Weil-McLain
1 1
12 590-849-236
Fame Rod Cable For Main Fame Sensor and Q179C Pilot
(Feet Required)
Honeywell R129 8020 4 4
13 51
1-802-625 Solid State Ignition Transformer, 120 Volt/6,0000 Volt, Dongan A06-SA6 1 1
14 511-330-097
Pilot Proving Ignition/Sensing Control Module, 24 Volt,
Q348A Pilot
Honeywell
S8620
C1003
- 1
United
Technologies
1003-511 - 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