RV Hydronic Heater Repair



This model of Hydro-Hot uses 'standard' ethylene glycol coolant (Prestone or equal).  Keep it simple and use the same coolant that is in your engine and generator.



This model may also be known as:



Changes From Previous Model


First model in this series

"E" = Experimental ???


Part Notes




Routine service parts and kits - Routine Service Parts      Scroll down page for filter and nozzle packages.

Common Problems


Service Manual


On Aqua-Hot website   HHE-200-07E  Scroll down page in "Discontinued Hydro-Hot Products" section