the "home" remedy is to take the heater apart and find out what the problem is, and as it's likely to be the core, or [if a deluxe version] the Ranco valve, buy some new parts

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