Mechanical seal 20 mm
20 mm
Mechanical seal 20 mm. Seals the shaft passage between the wet end and the motor. Correctly functioning sealing faces prevent water leaking along the shaft.
Part code: 2920343310.
Mechanical seal 20 mm
Seals the shaft passage between the wet end and the motor. Correctly functioning sealing faces prevent water leaking along the shaft.
Advice from a pool technician
Compare the shaft diameter, both seal components and their seating. Keep the precision sealing faces clean and avoid touching them.
When to replace this part
A typical reason for replacement is leakage between the pump body and motor. Also inspect the shaft, seal seat and adjacent seals.
Identification and compatibility
Mechanical seal 20 mm
Catalogue code: 2920343310
Position in the relevant exploded view: BADU Prime 7–20: 433; BADU Prime 25–48: 433; BADU Resort 30–55: 433; BADU Resort 60–110: 433; Bettar Top S II 20–25: 433
Match the full code and design to the original part. A drawing may cover several pump ratings; inclusion in a range does not mean every part fits every model. The named component or assembly is supplied; other items shown in the exploded view are not automatically included.
Replacement and checks
Disconnect the pump from the power supply, prevent restart and release system pressure according to its manual before opening it. Clean the mating surfaces and inspect adjacent components. Reassemble according to the specific pump instructions. Prime and vent the pump before restarting, never run it dry, and check the repaired area for leaks.
Location in the assembly
The original exploded view is an assembly illustration. Use the position and part code above to identify the item.
All spare parts: BADU Prime 7–20 →
All spare parts: BADU Prime 25–48 →
All spare parts: BADU Resort 30–55 →
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