Defender Heater Cheap Upgrade

lynall said:

Fitted it yesterday, was easy enough, had to loosen oil pressure switch to get the stat housing past it, the old oil stat will not open even with a blow torch aimed at it, so not sure it will make the heater any better, but you never know.
As I use the 90 so infrequently it could be months before I can report back if it has improved matters, and as it will soon be summer!

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