you could also get this kind of valve, cable operated for temp control [prolly at NAPA], and keep the potential leaks outta the cab grin

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