The heat control valve thermostat is really not a spring. It's a
bimetal strip and simply placing it on the manifold isn't
enough. It needs to be adjusted by either coiling it tighter or
uncoiling it. This may take a few tries to get it set
correctly.
Denny Graham
Sandwich, IL
Last edited by Denny Graham; 05/26/2014 4:49 PM.
