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Household Pumps

A huge range of pumps for household, commercial, agricultural and industrial use

Floating Fountains & Dam Aerators

Floating Fountains and Aerators for Dams, Lakes and Large Ponds

Pond Help & Information

Need a hand working out the right gear for your project? Browse our range of help pages or submit a help request directly to our specialists.

Hansen Large Rubber Washers

Usually used with Hansen large back nuts on threaded tube

These rubber washers are sized to suit the Hansen Large Back Nuts although they are suitable for some other applications as well. They will fit over a BSP thread of corresponding size.

Suits BSP thread

Part No.

20mm ~ 3/4" SWL 20
25mm ~ 1" SWL 25
32mm ~ 1 1/4" SWL 32
40mm ~ 1 1/2" SWL 40
50mm ~ 2" SWL 50


Approx BSP to metric thread equivalent 
3/4" = 20mm      1" = 25mm        1 1/4" =  32mm     1 1/2" = 40mm       2" = 50mm

From $0.90

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