750-211 (revised 2009)
Promethean Boilers, Model 4WI Manual
9-43
9.2 — Parts
9.2.30 — Pilot Gas Train: 60”-106”, 100-800 HP
FLOW
FLOW
3
2
3
2
4
1
6
5
3
4
1
5
PILOT GAS TRAIN
940-01582
6
INSURANCE
STD OR FM
IRI OR F&I
845-00314
ELBOW, FLARED
6
1
1
845-00314845-00314
VALVE SOLENOID 1/2"
VALVE, VENT, 3/4"
PRESSURE GAUGE
PILOT TUBING
5
4
PILOT REGULATOR
SHUT-OFF COCK, 1/2"
ITEM
2
3
1
DESCRIPTION
INSURANCE
-
1
1
1
1
1
QTY
1
1
507-00593
507-01348
507-01015
850-00109
507-00593
507-01348
PART # PART #
918-00356
825-00030
948-00197
948-00002
507-00593
507-01348
PART #
845-00194845-00194845-00194
7
-
REF.
REF.
FLOW
3
2
4
1
6
3
5
7
NFPA-8501
1
948-00197
918-00356
825-00030
850-00109
948-00197
918-00356
825-00030
850-00109
-
1
1
1
1
1
1
QTY
2
1
1
1
1
1
1
1
1
1
QTY
3
1
2
NFPA-8501IRI OR F&ISTD OR FM
100 HP
125-200 HP
250-350 HP 507-01015 507-01015
100 HP
125-800 HP
-
BASE RAIL
400-800 HP
1
507-01299
1
507-01299
1
507-01299
SUPPLY PRESSURE IS GREATER
REQUIRED ON CSD-1 WHEN
RELIEF VALVE
THAN 5 PSI.
3