Spindrifter 4″ aerated bottom drain for concrete or liner. With air kit. To fit pressure pipe

£183.99 inc. VAT

4″ Spindrifter to concrete. For liners please purchase the flange listed in this section. Complete with air kit.

KOI Description

1 in stock

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SKU: AP4451 Categories: , , Tag:


The Spindrifter aerated bottom drain is known worldwide for its quality and design. This Spindrifter aerated bottom drain completely replaces the “Standard Bottom Drain.”

The most noticeable feature of the Spindrifter bottom drain is the extra 1 inch DIA Pressure pipe connection in the sump of the drain. This allows the air supply hose to enter the sump independent of the water outlet pipe, thus eliminating the possibility of restriction to the water flow and somewhere else for blanket weed to attach.

The membrane and backing plate on the Spindrifter bottom drain fits into a recess in the specially manufactured dome (provided). The recess in the Spindrifter bottom drain prevents the membrane from becoming detached. The complete assembly is secured to the Spindrifter bottom drain by means of a stem, which also provides the air inlet.

Supplied with air kit.

The liner flange is also available separately.