Blue Lagoon 3-way connection 48 mm (2pcs) - B212015

B212015 – Set (2 pcs) 3-way connection 48 mm

Install or refurbish Blue Lagoon spa equipment with this original pair of 48 mm 3-way connections. The B212015 set mounts the housing inline on your return line, delivering a clean, pressure-tight installation. Available from PoolParthub.com.

• OEM 3-way unions for fast, leak-tight mounting
• 48 mm (UK size) for specific plumbing standards
• Supplied as a matched pair for inlet and outlet

Compatibility

For Blue Lagoon housings that use 3-way unions, including Spa UV-C (PL-S 12/15 W and T5 21 W variants) and the Copper Electrolyzer body. For standard EU 50 mm plumbing choose B212014.

What’s included

• 2 × 3-way connection unions, 48 mm (ref. B212015)

Not included: O-rings and lock nuts are supplied separately.

Recommended accompanying parts

• O-ring set for 3-way connections: E801509 (NBR 53 × 4.5)
• Lock nut 70 × 33.5 mm (black): 3901045
• Matching housings: B212013 (Spa UV-C / Copper Electrolyzer), B212500 (Spa UV-C U20), B212501 (Spa UV-C Z20)

Installation & tips

• Dry-fit to confirm orientation and clearance; mark alignment before gluing.
• Use fresh O-rings, apply a light silicone grease, and tighten nuts evenly.
• Use PVC solvent cement suitable for 48 mm pressure pipe; leak-test after curing.

Specifications

• Article code: B212015
• Connection size: 48 mm (pair)
• Function: 3-way inline unions for Blue Lagoon housings
• Material: Pool-grade ABS/PVC (union design)

Good to know

Select 48 mm only if your installation uses this size (often UK spec). Mixing 48 mm with 50 mm components can cause leaks or misalignment.