Port Size
- 20mm (3/4 in) (3)
- 25mm (1 in) (3)
- 32mm (1 1/4 in) (2)
- 40mm (1 5/8 in) (1)
- 50mm (2 in) (5)
- 65mm (2 1/2 in) (2)
- 75mm (3 in) (3)
- 100mm (4 in) (1)
Flange Type
Flange Connection
Check Valve
Coil
Coil Style
Motor/IO Module
Plated
Reduced Capacity
Set Point
Strainer
Valve Material
Parker A4AB Electric Wide Opening Inlet Regulators
The A4A outlet family of regulators are compact, heavy duty, pilot operated, and have remarkable functionality. The regulator will gradually close when downstream pressure begins to rise above the setting and will gradually open when pressure begins to fall below the setting. The regulator cannot maintain set-for pressure if uncontrolled branch pipe lines feed into the main pipeline downstream of the regulator. The valve's purpose is to modulate flow of refrigerant gas or liquid to maintain constant downstream pressure as set-for, despite load fluctuations.
Part Kits
|
|
20mm (3/4")
|
25mm (1 ")
|
||||||||
|
Item No.
|
Description
|
Kit No.
|
Qty
|
Kit No.
|
Qty
|
|||||
|
1
|
Seal Cap
|
Only Avail. With Kit
|
1
|
Only Avail with Kit
|
1
|
|||||
|
2
|
Seal Cap Gasket
|
Only Avail with Kit
|
1
|
Only Avail. with Kit
|
1
|
|||||
|
1-2
|
Cap Kit, Seal
|
202110
|
1
|
202110
|
1
|
|||||
|
3
|
Nut, Packing
|
Only Avail. With Kit
|
1
|
Only Avail. with Kit
|
1
|
|||||
|
4
|
Packing, Stem
|
Only Avail. with Kit
|
1
|
Only Avail. with Kit
|
1
|
|||||
|
5
|
Washer, Flat
|
Only Avail. with Kit
|
1
|
Only Avail. With Kit
|
1
|
|||||
|
3-5
|
Packing Kit, Stem
|
202100
|
1
|
202100
|
1
|
|||||
|
6
|
Stem, Adjusting
|
Only Avail. with Kit
|
1
|
Only Avail. with Kit
|
1
|
|||||
|
4-6
|
Stem Kit, Adjusting
|
202120
|
1
|
202120
|
1
|
|||||
|
12
|
Plate, Spring, Upper
|
Only Avail with Kit
|
1
|
Only Avail. with Kit
|
1
|
|||||
|
13
|
Spring, Comp.
|
Only Avail. with Kit
|
1
|
Only Avail. with Kit
|
1
|
|||||
|
14
|
Plate, Spring, Lower
|
Only Avail. with Kit
|
1
|
Only Avail. with Kit
|
1
|
|||||
|
15
|
Follower, Diaphragm
|
Only Avail. with Kit
|
1
|
Only Avail. with Kit
|
1
|
|||||
|
3-5, 6, 12-15
|
Spring/ Stem Kit
|
Range A/V
|
202006
|
1
|
202006
|
1
|
||||
|
Range D
|
202007
|
1
|
202007
|
1
|
||||||
|
8
|
Bonnet
|
Only Avail. with Kit
|
1
|
Only Avail. with Kit
|
1
|
|||||
|
11
|
Screw, Hx. Hd.
|
Only Avail. with Kit
|
8
|
Only Avail. with Kit
|
8
|
|||||
|
16
|
Bonnet Gasket
|
Only Avail. With Kit
|
1
|
Only Avail. With Kit
|
1
|
|||||
|
1-6, 8, 11-16
|
Spring Kit with Bonnet
|
Range A/V
|
202008
|
1
|
202008
|
1
|
||||
|
Range D
|
202009
|
1
|
202009
|
1
|
||||||
|
12-14, 16
|
Spring Kit, Less Bonnet
|
Range A/V
|
202481
|
1
|
202481
|
1
|
||||
|
Range D
|
202482
|
1
|
202482
|
1
|
||||||
|
17
|
Diaphragm
|
Only Avail. with Kit
|
1
|
Only Avail. with Kit
|
1
|
|||||
|
19
|
Gasket
|
Only Avail. with Kit
|
I
|
Only Avail. with Kit
|
1
|
|||||
|
16,17, 19
|
Diaphragm Kit
|
Range A/V
|
200770
|
1
|
200770
|
1
|
||||
|
17
|
Diaphragms
|
Range D
|
Only Avail. with Kit
|
2
|
Only Avail, with Kit
|
2
|
||||
|
16,17, 19
|
Diaphragm Kit
|
Range D
|
200771
|
1
|
200771
|
1
|
||||
|
16-19
|
VC Vacuum Cartridge
|
202004
|
1
|
202004
|
1
|
|||||
| 16-19
|
Pilot Seat/ Diaphragm Kit (Not A4AO)
|
Range A
|
202000
|
1
|
202000
|
1
|
||||
| Range V
|
202004
|
1
|
202004
|
1
|
||||||
| Range D
|
202002
|
1
|
202002
|
1
|
||||||
|
27
|
Plug Pkg, 1/4" NPT
|
202552
|
5
|
202552
|
5
|
|||||
|
28
|
Adapter
|
Only Avail. With Kit
|
1
|
Only Avail. With Kit
|
1
|
|||||
|
29
|
Gasket
|
Only Avail. with Kit
|
1
|
Only Avail. with Kit
|
1
|
|||||
|
19,28, 29
|
Adapter Kit
|
200703
|
1
|
200703
|
1
|
|||||
|
30
|
Piston/Stem Assembly
|
Only Avail. with Kit
|
1
|
Only Avail. with Kit
|
1
|
|||||
|
29,30
|
Piston Kit
|
200760
|
1
|
200760
|
1
|
|||||
|
32
|
Valve Body
|
Not Available
|
|
Not Available
|
|
|||||
|
34
|
Spring, Comp.
|
Only Avail. with Kit
|
1
|
Only Avail. With Kit
|
1
|
|||||
|
35
|
Washer, Flat
|
Only Avail. with Kit
|
1
|
Only Avail. With Kit
|
1
|
|||||
|
36
|
Wiper, Dirt
|
Only Avail. with Kit
|
1
|
Only Avail. with Kit
|
1
|
|||||
|
37
|
"O" Ring
|
Only Avail. with Kit
|
1
|
Only Avail. with Kit
|
1
|
|||||
|
34-37
|
Spring Kit, (A4A) Closing (A4AK)
|
202300
|
1
|
202300
|
1
|
|||||
| 202298
|
1
|
202298
|
1
|
|||||||
|
33
|
Plug/Stem Assembly
|
Only Avail. with Kit
|
1
|
Only Avail. with Kit
|
1
|
|||||
|
40
|
Washer, Flat
|
Only Avail. with Kit
|
1
|
Only Avail. with Kit
|
1
|
|||||
|
41
|
Packing, Stem
|
Only Avail. with Kit
|
1
|
Only Avail. with Kit
|
1
|
|||||
|
42
|
Nut, Packing
|
Only Avail. with Kit
|
1
|
Only Avail. with Kit
|
1
|
|||||
|
33, 34-37, 40-42
|
Full Cap. Plug Kit, Modul.
|
A4A
|
202021
|
1
|
202022
|
1
|
||||
| A4AK
|
202037
|
1
|
202038
|
1
|
||||||
|
33, 34-37, 40-42
|
50% Cap. Plug Kit, Modul.
|
A4A
|
202029
|
1
|
(*)
|
|
||||
| A4AK
|
202036
|
1
|
(*)
|
|
||||||
|
33, 34-37, 40-42
|
35% Cap. Plug
Kit, Modul.
|
A4A
|
Not Available
|
|
Not Available
|
|
||||
| A4AK
|
Not Available
|
|
Not Available
|
|
||||||
|
33, 34-37, 40-42
|
17% Cap. Plug Kit, Modul.
|
(A4A)
|
202030
|
1
|
(*)
|
|
||||
| (A4AK)
|
202030
|
1
|
(*)
|
|
||||||
|
|
32mm (1-1/4")
|
40mm (1-5/8")
|
50mm (2")
|
65mm (2-1/2")
|
75mm (3")
|
100mm (4")
|
||||||
|
Item No.
|
Kit No.
|
Qty
|
Kit No.
|
Qty
|
Kit No.
|
Qty
|
Kit No.
|
Qty
|
Kit No.
|
Qty
|
Kit No.
|
Qty
|
| 1
|
Only Avail. with Kit
|
1
|
Only Avail. with Kit
|
1
|
Only Avail. with Kit
|
1
|
Only Avail. with Kit
|
1
|
Only Avail. with Kit
|
1
|
Only Avail. with Kit
|
1
|
| 2
|
Only Avail. with Kit
|
1
|
Only Avail. with Kit
|
1
|
Only Avail. with Kit
|
1
|
Only Avail. with Kit
|
1
|
Only Avail. with Kit
|
1
|
Only Avail. with Kit
|
1
|
| 1-2
|
202110
|
1
|
202110
|
1
|
202110
|
1
|
202110
|
1
|
202110
|
1
|
202110
|
1
|
| 3
|
Only Avail. with Kit
|
1
|
Only Avail. with Kit
|
1
|
Only Avail, with Kit
|
1
|
Only Avail. with Kit
|
1
|
Only Avail. with Kit
|
1
|
Only Avail. with Kit
|
1
|
| 4
|
Only Avail, with Kit
|
1
|
Only Avail. with Kit
|
1
|
Only Avail. with Kit
|
1
|
Only Avail. with Kit
|
1
|
Only Avail. with Kit
|
1
|
Only Avail. with Kit
|
1
|
| 5
|
Only Avail. with Kit
|
1
|
Only Avail. with Kit
|
1
|
Only Avail. with Kit
|
1
|
Only Avail. with Kit
|
1
|
Only Avail. with Kit
|
1
|
Only Avail. with Kit
|
1
|
| 3-5
|
202100
|
1
|
202100
|
1
|
202100
|
1
|
202100
|
1
|
202100
|
1
|
202100
|
1
|
| 6
|
Only Avail. with Kit
|
1
|
Only Avail with Kit
|
1
|
Only Avail. with Kit
|
1
|
Only Avail. with Kit
|
1
|
Only Avail. with Kit
|
1
|
Only Avail. with Kit
|
1
|
| 4-6
|
202120
|
1
|
202120
|
1
|
202120
|
1
|
202120
|
1
|
202120
|
1
|
202120
|
1
|
| 12
|
Only Avail. with Kit
|
1
|
Only Avail. with Kit
|
1
|
Only Avail, with Kit
|
1
|
Only Avail. with Kit
|
1
|
Only Avail. with Kit
|
1
|
Only Avail. with Kit
|
1
|
| 13
|
Only Avail. with Kit
|
1
|
Only Avail. with Kit
|
1
|
Only Avail. with Kit
|
1
|
Only Avail. with Kit
|
1
|
Only Avail. with Kit
|
1
|
Only Avail. with Kit
|
1
|
| 14
|
Only Avail. with Kit
|
1
|
Only Avail. with Kit
|
1
|
Only Avail. with Kit
|
1
|
Only Avail. with Kit
|
1
|
Only Avail. with Kit
|
I
|
Only Avail. with Kit
|
1
|
| 15
|
Only Avail. with Kit
|
1
|
Only Avail, with Kit
|
1
|
Only Avail. with Kit
|
1
|
Only Avail. with Kit
|
1
|
Only Avail. with Kit
|
1
|
Only Avail. with Kit
|
1
|
| 3-5, 6, 12-15
|
202006
|
1
|
202006
|
1
|
202006
|
1
|
202006
|
1
|
202006
|
1
|
202006
|
1
|
| 202007
|
1
|
202007
|
1
|
202007
|
1
|
202007
|
1
|
202007
|
1
|
202007
|
1
|
|
| 8
|
Only Avail, with Kit
|
1
|
Only Avail. with Kit
|
1
|
Only Avail. with Kit
|
1
|
Only Avail. with Kit
|
1
|
Only Avail, with Kit
|
1
|
Only Avail. with Kit
|
1
|
| 11
|
Only Avail. with Kit
|
8
|
Only Avail. with Kit
|
8
|
Only Avail. with Kit
|
8
|
Only Avail. with Kit
|
8
|
Only Avail. with Kit
|
8
|
Only Avail. with Kit
|
8
|
| 16
|
Only Avail. with Kit
|
1
|
Only Avail. with Kit
|
1
|
Only Avail. with Kit
|
1
|
Only Avail. with Kit
|
1
|
Only Avail. with Kit
|
1
|
Only Avail. with Kit
|
1
|
| 1-6, 8, 11-16
|
202008
|
1
|
202008
|
1
|
202008
|
1
|
202008
|
1
|
202008
|
1
|
202008
|
1
|
| 202009
|
1
|
202009
|
1
|
202009
|
1
|
202009
|
1
|
202009
|
1
|
202009
|
1
|
|
| 12-14, 16
|
202481
|
1
|
202481
|
1
|
202481
|
1
|
202481.
|
1
|
202481
|
1
|
202481
|
1
|
| 202482
|
1
|
202482
|
1
|
202482
|
1
|
202482
|
1
|
202482
|
1
|
202482
|
1
|
|
| 17
|
Only Avail with Kit
|
1
|
Only Avail. with Kit
|
1
|
Only Avail. with Kit
|
1
|
Only Avail, with Kit
|
1
|
Only Avail. with Kit
|
1
|
Only Avail. with Kit
|
1
|
| 19
|
Only Avail. with Kit
|
1
|
Only Avail. with Kit
|
1
|
Only Avail. with Kit
|
1
|
Only Avail, with Kit
|
1
|
Only Avail. with Kit
|
1
|
Only Avail. with Kit
|
1
|
| 16,17, 19
|
200770
|
1
|
200770
|
1
|
200770
|
1
|
200770
|
1
|
200770
|
1
|
200770
|
1
|
| 17
|
Only Avail with Kit
|
2
|
Only Avail with Kit
|
2
|
Only Avail. with Kit
|
2
|
Only Avail. with Kit
|
2
|
Only Avail. with Kit
|
2
|
Only Avail. with Kit
|
2
|
| 16,17, 19
|
200771
|
1
|
200771
|
1
|
200771
|
1
|
200771
|
1
|
200771
|
1
|
200771
|
1
|
| 16-19
|
202004
|
1
|
202004
|
1
|
202004
|
1
|
202004
|
1
|
202004
|
1
|
202004
|
1
|
| 16-19
|
202000
|
1
|
202000
|
1
|
202000
|
1
|
202001
|
1
|
202001
|
1
|
202001
|
1
|
| 202004
|
1
|
202004
|
1
|
202004
|
1
|
202004
|
1
|
202004
|
1
|
202004
|
1
|
|
| 202002
|
1
|
202002
|
1
|
202002
|
1
|
202003
|
1
|
202003
|
1
|
202003
|
1
|
|
| 27
|
202552
|
5
|
202552
|
5
|
202552
|
5
|
202552
|
5
|
202552
|
5
|
202552
|
5
|
| 28
|
Only Avail. with Kit
|
1
|
Only Avail. with Kit
|
1
|
Only Avail. with Kit
|
1
|
Only Avail. with Kit
|
1
|
Only Avail. with Kit
|
1
|
Only Avail. with Kit
|
1
|
| 29
|
Only Avail. with Kit
|
1
|
Only Avail. with Kit
|
1
|
Only Avail. with Kit
|
1
|
Only Avail. with Kit
|
1
|
Only Avail. with Kit
|
1
|
Only Avail. with Kit
|
1
|
| 19.28,29
|
200700
|
1
|
200725
|
1
|
200725
|
1
|
200685
|
1
|
200713
|
1
|
200716
|
1
|
| 30
|
Only Avail. with Kit
|
1
|
Only Avail. with Kit
|
1
|
Only Avail. with Kit
|
1
|
Only Avail. with Kit
|
1
|
Only Avail. with Kit
|
1
|
Only Avail. with Kit
|
1
|
| 29,30
|
200767
|
1
|
200389
|
1
|
200389
|
1
|
200391
|
1
|
200393
|
1
|
200227
|
1
|
| 32
|
Not Available
|
|
Not Available
|
|
Not Available
|
|
Not Available
|
|
Not Available
|
|
Not7vailable
|
|
| 34
|
Only Avail. with Kit
|
1
|
Only Avail. with Kit
|
1
|
Only Avail, with Kit
|
1
|
Only Avail. with Kit
|
1
|
Only Avail, with Kit
|
1
|
Only Avail. with Kit
|
1
|
| 35
|
Only Avail. with Kit
|
1
|
Only Avail. with Kit
|
1
|
Only Avail. with Kit
|
1
|
Onlv Avail. with Kit
|
1
|
Only Avail. with Kit
|
1
|
Only Avail. with Kit
|
1
|
| 36
|
Only Avail. with Kit
|
1
|
Only Avail. with Kit
|
1
|
Only Avail. with Kit | |||||||
| Sku | Port Size | Flange Type | Flange Connection | Check Valve | Coil | Coil Style | Range | Reduced Capacity | Set Point | Strainer | Valve Material | Price | Qty | Add To Cart | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 3/4 A4AB RV 120 | A401V200A2X00B1XNXSN See Details |
20mm (3/4 in) | No Flange | None | None | 120/60 | Leaded, Standard | 500mm Hg to 8.3 (20 in Hg to 120) | Full Capacity | 1.0 (15) | No Strainer | Standard Valve |
|
|||
| 3/4 A4AB RV | A401V200A2X00X0XNXSN See Details |
20mm (3/4 in) | No Flange | None | None | No Coil, AC | No Coil Style | 500mm Hg to 8.3 (20 in Hg to 120) | Full Capacity | 1.0 (15) | No Strainer | Standard Valve |
|
|||
| 3/4 A4AB RV 1SW 120 ST | A401V200A2S25B1XYXSN See Details |
20mm (3/4 in) | SW | 1 in | None | 120/60 | Leaded, Standard | 500mm Hg to 8.3 (20 in Hg to 120) | Full Capacity | 1.0 (15) | w/ Strainer | Standard Valve |
|
|||
| 1 A4AB RV 120 | A401V250A2X00B1XNXSN See Details |
25mm (1 in) | No Flange | None | None | 120/60 | Leaded, Standard | 500mm Hg to 8.3 (20 in Hg to 120) | Full Capacity | 1.0 (15) | No Strainer | Standard Valve |
|
|||
| 1 A4AB RV | A401V250A2X00X0XNXSN See Details |
25mm (1 in) | No Flange | None | None | No Coil, AC | No Coil Style | 500mm Hg to 8.3 (20 in Hg to 120) | Full Capacity | 1.0 (15) | No Strainer | Standard Valve |
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| 1 A4AB RV 1-1/4SW 120 ST | A401V250A2S32B1XYXSN See Details |
25mm (1 in) | SW | 1 1/4 in | None | 120/60 | Leaded, Standard | 500mm Hg to 8.3 (20 in Hg to 120) | Full Capacity | 1.0 (15) | w/ Strainer | Standard Valve |
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| 1-1/4 A4AB RV | A401V320A2X00X0XNXSN See Details |
32mm (1 1/4 in) | No Flange | None | None | No Coil, AC | No Coil Style | 500mm Hg to 8.3 (20 in Hg to 120) | Full Capacity | 1.0 (15) | No Strainer | Standard Valve |
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| 1-1/4 A4AB RV 1-1/2SW 120 ST | A401V320A2S38B1XYXSN See Details |
32mm (1 1/4 in) | SW | 1 1/2 in | None | 120/60 | Leaded, Standard | 500mm Hg to 8.3 (20 in Hg to 120) | Full Capacity | 1.0 (15) | w/ Strainer | Standard Valve |
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| 1-5/8 A4AB RV 2SW 120 | A401V400A2S50B1XNXSN See Details |
40mm (1 5/8 in) | SW | 2 in | None | 120/60 | Leaded, Standard | 500mm Hg to 8.3 (20 in Hg to 120) | Full Capacity | 1.0 (15) | No Strainer | Standard Valve |
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| 2 A4AB RV 120 | A401V500A2X00B1XNXSN See Details |
50mm (2 in) | No Flange | None | None | 120/60 | Leaded, Standard | 500mm Hg to 8.3 (20 in Hg to 120) | Full Capacity | 1.0 (15) | No Strainer | Standard Valve |
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| 2 A4AB RV | A401V500A2X00X0XNXSN See Details |
50mm (2 in) | No Flange | None | None | No Coil, AC | No Coil Style | 500mm Hg to 8.3 (20 in Hg to 120) | Full Capacity | 1.0 (15) | No Strainer | Standard Valve |
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| 2 A4AB RV 2FPT 240 | A401V500A2F50H1XNXSN See Details |
50mm (2 in) | FPT | 2 in | None | 240/60 | Leaded, Standard | 500mm Hg to 8.3 (20 in Hg to 120) | Full Capacity | 1.0 (15) | No Strainer | Standard Valve |
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| 2 A4AB RV 2SW 120 | A401V500A2S50B1XNXSN See Details |
50mm (2 in) | SW | 2 in | None | 120/60 | Leaded, Standard | 500mm Hg to 8.3 (20 in Hg to 120) | Full Capacity | 1.0 (15) | No Strainer | Standard Valve |
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| 2 A4AB RV 2SW 120 ST | A401V500A2S50B1XYXSN See Details |
50mm (2 in) | SW | 2 in | None | 120/60 | Leaded, Standard | 500mm Hg to 8.3 (20 in Hg to 120) | Full Capacity | 1.0 (15) | w/ Strainer | Standard Valve |
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| 2-1/2 A4AB RV 3-1/8ODS 240 | A401V650A2K27H1XNXSN See Details |
65mm (2 1/2 in) | ODS | 3 1/8 in | None | 240/60 | Leaded, Standard | 500mm Hg to 8.3 (20 in Hg to 120) | Full Capacity | 1.0 (15) | No Strainer | Standard Valve |
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| 2-1/2 A4AB RV 2-1/2WN 240 | A401V650A2W65H1XNXSN See Details |
65mm (2 1/2 in) | WN | 2 1/2 in | None | 240/60 | Leaded, Standard | 500mm Hg to 8.3 (20 in Hg to 120) | Full Capacity | 1.0 (15) | No Strainer | Standard Valve |
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| 3 A4AB RV 3SW 120R | A401V750A2S75B2XNXSN See Details |
75mm (3 in) | SW | 3 in | None | 120/60 | Leaded, Red LED Pilot Light | 500mm Hg to 8.3 (20 in Hg to 120) | Full Capacity | 1.0 (15) | No Strainer | Standard Valve |
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| 3 A4AB RV 3SW 120 ST | A401V750A2S75B1XYXSN See Details |
75mm (3 in) | SW | 3 in | None | 120/60 | Leaded, Standard | 500mm Hg to 8.3 (20 in Hg to 120) | Full Capacity | 1.0 (15) | w/ Strainer | Standard Valve |
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| 3 A4AB RV 3SW | A401V750A2S75X0XNXSN See Details |
75mm (3 in) | SW | 3 in | None | No Coil, AC | No Coil Style | 500mm Hg to 8.3 (20 in Hg to 120) | Full Capacity | 1.0 (15) | No Strainer | Standard Valve |
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| 4 A4AB RV 4SW 120 | A401VA00A2SP0B1XNXSN See Details |
100mm (4 in) | SW | 4 in | None | 120/60 | Leaded, Standard | 500mm Hg to 8.3 (20 in Hg to 120) | Full Capacity | 1.0 (15) | No Strainer | Standard Valve |
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