the sensor tube is the same as the one on the temp gauge temp gauge Denny, didn't you re-do one of those?

the seal that worked on my TF Ranco [maybe not the same one as Tim linked] is also available at NAPA - p/n Napa/Balkamp #BK660-1000

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