Quote Originally Posted by ccmorr08 View Post
Revtor,

Interesting that there is no other function. Having it on the back end of the heater flow simply results in even more coolant being forced out of the heater by increasing the pressure in that portion of the plumbing. Either way, I corrected the issue by bypassing the heater. Maybe I can relocate this valve to front end of the system with a bit of work.

Chris
I don't think the heater cares which way the fluid goes through it. I would just switch the hoses so that the valve is before the heater. That's how it is on my 109.