Al Gietzen wrote:

 

2)   On the water pump housing where the thermostat is installed, there

is a tubular bypass channel that returns to the water pump intake. I

have read that if you remove the thermostat, this channel needs to be

plugged. Best method? JB?

 

1/22” NPT tap and a plug

Say again on that size for the tap and plug?
 
Dave Staten