Watch any additives in the water, anything alkaline will eat through the
elements. We got 3 weeks before failure on a wash tank.
-- Bruce --
4 bolt flange mounting (I can easily make the flange) and there will
be no additives in the water. Elements are copper or copper coated
(Chromalox 20200 860 d80) Cost me $5 brand new - and there are 3 more
in stock at the same price that I will buy if it works out (for spares
down the road).