Fluidra - Sand Filter Diffuser Assembly Ø650 mm (PTK 1200 mm)

Fluidra – Sand Filter Diffuser Assembly Ø650 mm (PTK 1200 mm)

This is the genuine Fluidra diffuser assembly for the PTK 1200 mm commercial sand filter fitted with an arm-type lateral collector system, sized for 650 mm tank diameter. The diffuser plate sits at the base of the filter vessel and evenly redistributes water across the sand bed, ensuring consistent filtration performance and preventing channelling through the media. Replacing a cracked or damaged diffuser restores full hydraulic efficiency and protects the sand bed from bypass.

Compatibility

This diffuser assembly is designed specifically for Fluidra PTK 1200 mm series commercial sand filters with an arm collector system and a tank diameter of 650 mm (also cross-referenced within the ARM FILTERS PTK 1200MM/M.D 650–800 assembly group). Always verify your filter’s model number and tank diameter before ordering, as diffuser assemblies are diameter-specific and are not interchangeable between tank sizes.

Why genuine matters

As an OEM Fluidra spare part, this diffuser assembly is manufactured to the exact tolerances of the original component — ensuring a leak-free fit against the filter tank floor and reliable long-term operation. Aftermarket alternatives may differ slightly in profile or material, leading to bypass leaks, uneven backwashing, or premature failure. Using a genuine part also keeps your filter compliant with its original CE certification.

Installation

Installation requires draining the filter tank and removing the lateral arm collector to access the diffuser plate at the base. The assembly drops into position and should be seated squarely before the collector arms and sand bed are refitted. Professional installation is recommended for commercial filters of this size to ensure correct reassembly and pressure testing before returning the system to service.