Raf Posted July 3, 2018 Report Posted July 3, 2018 What sealant should I use to install a new live well pump? It is below the waterline and I'm reading marine grade silicone is a no-go? 3M 5200 sounds too permament, so 4200? Will that come off if I need it to?
porkpie Posted July 3, 2018 Report Posted July 3, 2018 4200 is supposed to come off. I have used it in the past and it has remained watertight. If your just replacing the pump, in the original inlet and not cutting any new holes, 4200 should do the trick and keep you dry!
Raf Posted July 3, 2018 Author Report Posted July 3, 2018 (edited) Thank you. I got some 4200. Yes, just replacing the existing pump. Now for the heatwave to break. Edited July 3, 2018 by Raf
misfish Posted July 3, 2018 Report Posted July 3, 2018 587 Blue High Performance RTV Silicone Gasket Maker.
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