Blue Lagoon End cap 32 mm ABS Black - F990107

F990107 – End cap 32 mm (ABS, black) for Blue Lagoon

Replace a worn closing cap and restore a safe, leak-tight head assembly with this genuine Blue Lagoon end cap in black ABS. Engineered for a precise OEM fit, it secures the lamp/quartz side of the reactor so your UV-C system runs reliably. Available from PoolParthub.com.

Compatibility

Used on Blue Lagoon UV-C housings that specify a 32 mm black end cap. Always match the F990107 reference in your unit’s spare-parts list to ensure a perfect fit.

What’s included

• 1 × End cap, 32 mm, ABS black (ref. F990107)

Recommended accompanying parts

• O-ring for end cap: 3902110 (EPDM 59.99 × 2.62 mm)
• Retaining nut (model-dependent, commonly B290010 70 × 33.5 mm, blue)
• Quartz glass stabilizer / related seals as specified for your model

Installation & tips

• Isolate power and pressure, then open the head and remove the old cap.
• Fit a fresh, lightly greased O-ring; seat the cap squarely and tighten the nut evenly by hand.
• Leak-test on restart and recheck after the first heating/circulation cycle.

Specifications

• Reference: F990107
• Type: Closing end cap for UV-C head assembly
• Size: 32 mm
• Material/colour: ABS, black
• Function: Seals lamp/quartz side of the housing

Good to know

End caps and seals age from heat and UV. Replacing the O-ring together with the cap helps prevent drips and keeps your UV-C system at peak performance.