Yes it is possible and OK; having the isolating / sealing ring is nice but not essential. As David M says, just bed it well - with sealant of your choice - but one approved for underwater use
__________________
All men dream: but not equally. Those who dream by night in the dusty recesses of their minds wake in the day to find it was vanity: but the dreamers of the day are dangereous men, for they may act their dreams with open eyes, to make it possible. T.E. Lawrence
|