Blue Lagoon Heater element for ProfiHeater 3kW - 6900393

Heater element for Blue Lagoon ProfiHeater 3 kW – 6900393

Bring your ProfiHeater back to full performance with this genuine 3 kW heater element. Engineered for a precise OEM fit, it restores fast, reliable water heating and keeps your installation running safely and efficiently. Available from PoolParthub.com.

• Original Blue Lagoon spare for ProfiHeater 3 kW
• Direct, plug-in replacement for the failed element
• Designed for durable, efficient heat transfer

Compatibility

Fits the Blue Lagoon ProfiHeater 3 kW electric heater (replacement element only).

What’s included

• 1 × Heater element 3 kW (article code: 6900393)

When to replace

• No heat or very slow temperature rise despite power
• Repeated safety trips or error from the thermostat/controller
• Visible damage or limescale build-up on the old element

Installation & tips

• Isolate power and water. Drain the heater before opening.
• Clean sealing faces and renew any worn gaskets/O-rings you disturb.
• Refill, bleed air, and leak-test before powering back on.

Specifications

• Brand: Blue Lagoon
• Reference: 6900393
• Power rating: 3 kW
• Use: Replacement heating element for ProfiHeater 3 kW

Good to know

For a complete service, inspect related parts of the ProfiHeater assembly (unions, O-rings and end cap) and replace if aged. Fresh seals help ensure a long-lasting, leak-tight result.