Model 4
1500 - 6000 MBTU/hr
Rev. 03-08
Section B2-12
ITEM PART DESCRIPTION
SIZES
INCHES
Sizes 1500 TO 2500
1
Butterfly Valve 1-1/2
2
Pilot Shutoff Cock
1/2
3
Pilot Gas Regulator
1/2
4
Pilot Solenoid Valve
1/2
5
Manual Shutoff Valve 1-1/2
6
Main Gas Regulator 1-1/2
7
Motorized Valve with P.O.C. 1-1/2
Size
3000
1
Butterfly Valve 1-1/2
2
Pilot Shutoff Cock
1/2
3
Pilot Gas Regulator
1/2
4
Pilot Solenoid Valve
1/2
5
Manual Shutoff Valve 1-1/2
6
Main Gas Regulator 1-1/2
7
Low Gas Pressure Switch
1/4
8
Motorized Valve with P.O.C. 1-1/2
9
High Gas Pressure Switch
1/4
Sizes 3500 to 5000
1
Butterfly Valve
2
2
Pilot Shutoff Cock
1/2
3
Pilot Gas Regulator
1/2
4
Pilot Solenoid Valve
1/2
5
Manual Shutoff Valve
2
6
Main Gas Regulator
2
7
Low Gas Pressure Switch
1/4
8
Motorized Valve with P.O.C.
2
9
High Gas Pressure Switch
1/4
Size
6000
1
Butterfly Valve
2
2
Pilot Shutoff Cock
1/2
3
Pilot Gas Regulator
1/2
4
Pilot Solenoid Valve
1/2
5
Manual Shutoff Valve
2
6
Main Gas Regulator 2-1/2
7
Low Gas Pressure Switch
1/4
8
Motorized Valve (std)
2
9
Motorized Valve with P.O.C.
2
10
High Gas Pressure Switch
1/4
Figure
B2-2.
Model
4
Standard Pilot and Main Gas
T
r
ains
Pilot
Main
1
3
4
2
6
5
5
7
9
6
5
5
7
8
6
5
5
7
9
8
6
5
5
7
10
8 9