I tried using the small red fibke washer that came with the element but had a leak. Even when the back nut was done up nice and tight. So I used the black rubber washer, this came with the element too - no leaks!
Just awaiting for a 20cm stainless disc from eBay and the bits for the wiring and I'm going to use sticky back Velcro strips to stick the disc over the electrics in the bottom. This will keep it protected and neat looking but also be accessible if needs be
