| Thanks for the replies--this unit is installed at a remote cabin that has an unlimited supply of firewood..it's for an outside shower..so far it works really good but I do think the idea of having another tank and setting up some kind of thermosiphon system with this unit would be a better alternative..with a p/t valve on the unit and one on the holding tank...anyway, based on what it says about exploding with life-threatening force, a working p/t valve is a must! That's why I was wondering if they lose effectiveness... |