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O-ring 14x2mm
43445
1.4 x 0.2 x 1.4 cm
zł3.47
Duża dostępność
The 14×2 mm O-ring is a ring seal used in pressure-washer subassemblies and accessories, where it ensures tight water connections. In service, it is replaced during leak repairs, routine inspections, and after disassembly when the seal is deformed or damaged.
MPN / reference: 43445
Size: 14×2 mm
APPLICATION
The O-ring is used in typical water-system service work:
- sealing connections in hydraulic subassemblies,
- repairing localized leaks in fittings and seats,
- refurbishing accessories after dismantling connections,
- replacing seals as part of periodic maintenance.
SYMPTOMS - WHEN IT’S WORTH REPLACING
Consider replacing the O-ring when you notice:
- leakage at the joint despite correct tightening,
- reduced sealing after reassembly,
- flattening, cracks, or loss of elasticity,
- abrasion marks, nicks, or twisting after removal,
- recurring micro-leaks in the same location.
HOW TO CHOOSE THE RIGHT PART
Selection should be done accurately:
- verify the 14×2 mm size (diameter and cross-section),
- confirm the manufacturer number: MPN 43445,
- compare with the removed seal: diameter, cross-section, and how it sits in the groove,
- check the groove and mating surfaces (scratches can quickly damage a new seal).
In pressure systems, the correct cross-section (2 mm) is critical for proper squeeze and tightness.
COMPATIBILITY
Select the O-ring based on MPN 43445 and the 14×2 mm size, according to the parts list for the specific subassembly or by comparison with the removed seal. Don’t choose “by eye” only-cross-section differences directly affect sealing.
[faq]
Does 14×2 mm mean 14 mm inner diameter and 2 mm cross-section?|Most commonly yes. To be safe, compare with the removed seal and select by MPN 43445, because different notation conventions can exist.
Can a 14×2 O-ring be used interchangeably with 14×1.5?|Usually not. The cross-section difference changes squeeze in the groove: 1.5 mm may not seal, while 2 mm may be required for correct joint operation.
Why can a micro-leak persist after replacing the O-ring?|Most often due to a dirty or scratched groove, a burr on an edge, misaligned assembly, or incorrect seating of the seal in the groove.
Is it better to replace the O-ring preventively whenever the joint is dismantled?|In many cases, yes. After compression the seal can flatten and may seal worse when reused, especially in pressure circuits.
What should I check before installing a new O-ring to avoid damaging it?|Groove cleanliness, no burrs, condition of mating surfaces, and ensuring the seal doesn’t twist during assembly. These are the most common causes of quick leaks after repair.
[/faq]
Technical data
Model
WS-RP 1000 TS
Model
Bully 1000
Model
1050 P
Model
Junior 120
Model
Therm CA 11/130
Model
W 13/230
Model
Therm-RP 1400 T
Model
E-Therm 500 M 24 T
Model
Profi-Jet B 170 T
Model
WS-RP 1200 TS
Model
Bully 1200
Model
Quadro 800 TST
Model
Therm CA 15/120
Model
Therm CA 11/130 T
Model
W 15/200
Model
Therm-RP 1200
Model
E-Therm 603 M 36
Model
Profi-Jet B 200 T
Model
WS-RP 1400 TS
Model
1154 TST
Model
Quadro 899 TST
Model
Therm 755
Model
Therm CA 12/150
Model
W 19/160
Model
Therm-RP 1200 T
Model
E-Therm 603 M 36 T
Model
1152 TST
Model
Profi-Jet B 230 T
Model
WS-RP 1600 TS
Model
X A17 TST
Model
2175 TST
Model
K 185
Model
Therm CA 12/150 T
Model
K 1151 T
Model
Profi-Jet B 16/250 T
Model
E-Therm 873 M 36
Model
2160 TST
Model
Profi-Jet B 240 T
Model
Profi-Jet B 270 T
Model
WSC-RP 1000 TS
Model
Therm 895
Model
2175 TS
Model
K 125
Model
Therm-RP 1000
Model
Quadro 1500 TS
Model
HD 7/122 TS
Model
E-Therm 873 M 36 T
Model
Quadro 1000 TST
Model
Quadro 1200 TST
Model
WS 1000 TS
Model
WSC-RP 1200 TS
Model
Therm 1165
Model
2195 TS
Model
K 115
Model
Therm-RP 1000 T
Model
Quadro 1500 TST
Model
HD 9/80 TS
Model
E-Therm 873 M 48
Model
Therm 895-1
Model
WS 1200 TS
Model
WSC-RP 1400 TS
Model
Therm 602 E-M 18
Model
2195 TST
Model
Therm-RP 1000 EH
Model
Therm 870-1
Model
HD 12/130 TS
Model
E-Therm 873 M 48 T
Model
Therm 1165-1
Model
Therm 895 ST
Model
WSC-RP 1600 TS
Model
Therm 602 E-M 24
Model
Quickly
Model
Therm-RP 1600 T
Model
WS 800 TS
Model
Quadro 11/140 TST
Model
Profi-Jet B 13/150
Model
Therm C 13/180 T
Model
Therm 1165 ST
Model
LX-RP 1000 TST
Model
Therm 602 E-M 36
Model
Profi 160 TST
Model
Therm-RP 1600
Model
K 1151
Model
2160 TS
Model
Profi-Jet B 13/150 T
Model
1050 TS
Model
Therm 601 E-ST 18
Model
LX-RP 1200 TST
Model
Therm 872 E-M 48
Model
Profi 175 TST
Model
Therm-RP 1000 AT
Model
1132
Model
1152 TS
Model
Profi-Jet B 10/200
Model
Profi-Jet B 10/200 T
Model
1050 TST
Model
Therm 601 E-ST 24
Model
LX-RP 1400 TST
Model
Therm 635-1
Model
Profi 195 TST
Model
Therm-RP 1200 AT
Model
Bully 1180 T
Model
Quadro 1000 TS
Model
Profi-Jet B 16/220
Model
X10/140 TST
Model
Therm 871 E-ST 48
Model
LX-RP 1600 TST
Model
Therm 875-1
Model
Quadro 9/170 TST
Model
Therm-RP 1400 AT
Model
Bully 1180 TST
Model
Quadro 1200 TS
Model
Profi-Jet B 16/220 T
Model
X8/150 TST
Model
Therm 601 E-ST 36
Model
Therm C 11/130
Model
Therm 715
Model
Therm C 11/130 T
Model
Therm-RP 1600 AT
Model
Quadro 12/150 TST
Model
Primus 1000 TST
Model
Profi-Jet B 20/200
Model
X A15 TST
Model
Therm 891 E-ST 48
Model
Therm C 13/180
Model
Bully 980 TS
Model
Therm 1017 T
Model
E-Therm 500 M 18
Model
Therm 890
Model
Primus 1000 TS AT
Model
Profi-Jet B 20/200 T
Model
Quadro 799 TST
Model
Profi 15/120 TST
Model
Therm C 15/150
Model
Bully 980 TST
Model
Therm 1017
Model
E-Therm 500 M 18 T
Model
Therm 1160
Model
Primus 1200 TST
Model
Primus 1200 TS AT
Model
Profi-Jet B 16/250
Model
Quadro 599 TST
Model
Junior 140
Model
Therm C 15/150 T
Model
W 11/135
Model
Therm-RP 1400
Model
E-Therm 500 M 24
Model
Therm 1525-1
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