Blue Lagoon UV-C Tech end-cap O-ring – E801519
Lower end-cap seal · position L · code E801519.
Replacement O-ring for sealing the lower end cap of a Blue Lagoon UV-C Tech unit.
Advice from a pool technician
Compare the original seal reference and end-cap version. Exact dimensions are not listed in our verified documentation; send us a photo of the original part if unsure.
Blue Lagoon UV-C Tech end-cap O-ring – E801519
Replacement O-ring for sealing the lower end cap of a Blue Lagoon UV-C Tech unit. It is intended for replacing a damaged or aged seal during servicing. A leak at the cap can also be caused by a dirty seating surface or damaged plastic component, so inspect the complete assembly before replacing the seal.
Identification details
Lower end-cap seal · position L · code E801519.
Catalogue code: E801519
Application: Blue Lagoon UV-C Tech 40/75 W
What is included
One O-ring under catalogue reference E801519. The end cap, nut and UV housing are not included.
Replacement and checks
Disconnect the UV unit from power, stop circulation and release pressure before servicing. Follow the specific unit manual. Check sealing surfaces and correct seating of connection parts; check for leaks after restarting.
Never test a UV lamp outside its closed housing. If unsure, send photos of the part and unit label to info@chemie-bazen.cz.
Position in the diagram: L
The blue arrow identifies the component in the original drawing. The complete assembly illustration does not define the delivery contents.

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