mechanical or electric gauge? [I'll bet mechanical] how long does it stay above 180? [I'll bet no more than momentarily]

what could cause it is the gauge being slightly sticky at the bottom of it's sweep

Bill


Moved over to the Passing Lane

"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