lay-z-spa, fix EO2 - flow sensor paddle

Update: added V7 file, please use this instead of the V5. Improved paddle design better matches original (previous design caused some fluttering after being fitted for a few months). Re-positioned and resized magnet mount slightly. Decreased mounting hole size slightly so it could be accurately drilled using 2.5mm drill bit.

PLEASE READ BEFORE PRINTING

This is a replacement flow sensor paddle for Lay-z-spa pump units. This part fixes repeated EO2 fault codes caused by loss of magnetism by the sensor paddle without the need or cost of replacing the entire sensor unit.

I hold no responsibility for any damage caused to yourself or your hot tub if you decide to fit this part. water and electric is highly dangerous so please don't attempt this fix unless you know exactly what you are doing!!

There are 2 sensor units in the pump, one in front of the other. switch off and unplug the pump unit. remove both sensor units. diagnosis is simply carried out by measuring the resistance o