CaptiveAire DF4-24 Parts List
R
BILL OF MATERI ALS
ITEM NUMBE
1 1-1/4" Quick Seal 1
2 1-1/4" Male to 1" Female Reducer 1
3 1" x 3-3/4" Nipple 1
4 1" 90° Elbow 4
5 1" x 2" Ni pple 4
6 1" Union 3
7 1" x 2-1/2" Nipple 6
8 1" x 1" x 1/4" Tee 2
9 1/4" Square Head Pipe Plug 2
10 1" K3A662T Solenoid Valve 2
11 Maxitrol 1-1/2" MR212D Modulating Valve 1
12 1" Manual Ball Valve 1
13 1" x 10" Ni pple 1
14 1" x 9" Nipple 1
15 1" x 2-3/4" Nipple 1
16 1" x CLOSE (1-1/2") Nippl e 1
17 1" Female x 2" Male Adapter 1
18 1-1/2" M ale x 1" Female Reducer 2
19 24" Dual Fuel Midco Burner 1
20 1/4" Brass Elbow 1
21 3/8" Male x 1/4" Female Reducer 1
22 325-3x3/8 P ilot Gas Regulator 1
23 3/8" 90° Elbow 1
24 3/8" Close Nipple (1-1/2") 1
25 3/8" x 2-1/2" Nipple 2
26 3/8" P ilot Shut Off Valve 1
27 1" x 1" x 3/8" Tee 1
Description Quantity
Pilot Solenoid, Regulator,
& Manual Valve
Location for MN
State Requirements
Regulator P/N: 325-3x3/8
Solenoid P/N: V4046C1021
NOTES:
Gas Type: Natural or LP
Inlet Pressure: 7 in. w.c. - 5 psi.
Max. Natural Gas Manifold Pressure: 5 in. w.c.
Max. LP Manifold Pressure: 2.5 in. w.c.
External Ball Valve Shipped Loose in Control Cabinet
External High Gas Pressure Regulator Required when
gas pressure exceed s 5 psi.:
P/N = 143-80-2-1.25-BW-1/2 (10 psi. max.)
Pilot Tap
6 7
5
8
7
7
4
3
2
9
1
Pilot Regulator
Main Regulator
Low Fire By-Pass
22
21
20
26
24
23
25
25
14
6
9
7
7
8
5
12
5
5
13
4
19
17
16
4
15
Material: N/A
Cutsize: N/A x N/A
Quantity: 1
CONFID ENTIAL
Comments: None
Job#: N/A
Configuration: Gas Switch Option
10
7
Drawing Name: DF 4 24 Gas Train
Part Number: N/A
Drawn By: WBG
Parent Assembly: DF 4
27
10
18
11
18
4
Drawing Revision: 2
Part Revision: N/A
Sheet: 1 of 2
Weight: N/A lbs
ITEM NUMBE
R
1 1-1/4" Quick Seal 1
2 1-1/4" Male to 1" Female Reducer 1
3 1" x 3-3/4" Nipple 1
4 1" 90° Elbow 4
5 1" x 2" Nipple 4
6 1" Union 3
7 1" x 2-1/2" Nipple 6
8 1" x 1" x 1/4" Tee 2
9 1/4" Square Head Pipe Plug 2
10 1" K3A662T Solenoid Valve 2
11 Maxitrol 1-1/2" MR212D Modulating Valve 1
12 1" Manual Ball Valve 1
13 1" x 10" Nipple 1
14 1" x 9" Nipple 1
15 1" x 2-3/4" Nipple 1
16 1" x CLOSE (1-1/2") Nipple 1
17 1" Female x 2" Male Adapter 1
18 1-1/2" Male x 1" Female Reducer 2
19 24" Dual Fuel Midco Burner 1
20 1/4" Brass Elbow 1
21 3/8" Male x 1/4" Female Reducer 1
22 325-3x3/8 Pilot Gas Regulator 1
23 3/8" 90° Elbow 1
24 3/8" Close Nipple (1-1/2") 1
25 3/8" x 2-1/2" Nipple 2
26 3/8" Pilot Shut Off Valve 1
27 1/4" Close Nipple (1") 4
28 1/4" x 1/4" x 1/4" Tee 2
29 Optional Antunes HGP-A M1 Pressure Sw itch 1
30 Optional Antunes LGP-A M1 Pressure Swi tch 1
31 1" x 1" x 3/8" Tee 1
BILL OF MATERIALS
Description Quantity
NOTES:
Gas Type: Natural or LP
Inlet Pressure: 7 in. w.c. - 5 psi.
Max. Natural Gas Manifold Pressure: 5 in. w.c.
Max. LP Manifold Pressure: 2.5 in. w.c.
External Ball Valve Shipped Loose in Control Cabinet
External High Gas Pressure Regulator Required when
gas pressure exceed s 5 psi.:
P/N = 143-80-2-1.25-BW-1/2 (10 psi. max.)
30
7
7
6
5
Pilot Tap
7
4
3
2
1
Pilot Regulator
Main Regulator
Low Fire By-Pass
14
6
29
7
7
12
13
4
5
5
19
Material: N/A
Cutsize: N/A x N/A
Quantity: 1
Pilot Solenoid, Regulator,
& Manual Valve
Location for MN
State Requirements
(2X)
(2X)
Regulator P/N: 325-3x3/8
Solenoid P/N: V4046C1021
27
(2X)
CONFID ENTIAL
Comments: None
Job#: N/A
Configuration: Gas Switch Option
(2X)
28
9
27
25
26
20
21
22
17
24
16
23
25
4
15
7
8
10
Drawing Name: DF 4 24 Gas Train
Part Number: N/A
Drawn By: WBG
Parent Assembly: DF 4
31
10
18
11
18
8
5
Drawing Revision: 2
Part Revision: N/A
Sheet: 2 of 2
Weight: N/A lbs
4
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