better than new I've found the heater tubes usually need to be tweaked a bit because they're such thin material that just getting old seized clamps and petrified hoses off messes them up
"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