You don’t need to if using stock merc tstat housing and circulating pump. It doesn’t close off anything per say, it just prioritizes (directs percentages) to block until tsat opens
Originally Posted by 1MOSES1
since antifreeze is being heated and cycled…this will open t stat. Reason why it never opened on a hose is because it continuous cold water.
that’s not the case on a closed loop antifreeze tank.
I just had a crossover at that point so everything was going through the stat.
Yes Moses - my comment was more on the everyday flush when on the lift. Couldn't get stats to open obviously so went back to no thermostat.
12-16-2021, 05:35 PM
Gold Member
