the stat should set the minimum temp that it runs, if it's a 160 and it stays 150, the stat is bad - but car or truck, it should have a 180 when the weather cools down, maybe a 160 in high summer
"When we tug a single thing in nature, we find it attached to the rest of the world" ~ John Muir "When we tug a single thing on an old truck, we find it falls off" ~ me Some TF series details & TF heater pics
