no p/n off hand, but it would be a 'remote water control' or like that ... the cable on that one is hooked to the heater control ["temp"] that the Ranco used, like the original ones yours should use

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