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Unimer Drainman in action
Unimer Drainman in action
Unimer Drainman

Genuine Unimer Spare Parts

Maintenance is key

Keep your drainman going continuously


More Information

Genuine Unimer Drainman Spare Parts are available to keep your pump system in tip-top condition.

Unimer Drainman Bilge Pump Part Numbers
Unimer Product Code Spare Part
810750-8 Eye Filter
810750-9 Bellows
810750-11 Cap
810750-12 Red membrane seat
810750-13   Yellow bladder
810750-14 Coil Spring
810750-19 Neoprene pump cover

The Unimer Drainman has a proven track record for effectively keeping the bilge of moored boat dry.

The simple design features a pump between two sides of a webbing loop. Under tension, the two sides close and squeeze the pump which sucks water up from the bilge.

With cyclic loading of the strap, the Drainman can pump up to 100 litres of water an hour.

The design does not rely on float switches or batteries making it very reliable.

The latest model features improved materials for increased performance against fatigue.

With a breaking strain of approximately 1.5 tonnes, the Drainman is ideal for use with tenders that are left on permanent moorings or even for small daysailors.

The Drainman is installed directly to the boat and in line with the mooring strop.

Supplied as standard with a 3 metre hose which can be extended a further 3m by purchasing the extension.

Please view the Installation GuiDE

Unimer Drainman extension
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