Portable warm water heater system

摘要: A low-cost warm water heater for use in portable toilets, to provide unblended hand washing provides a small quantity of at predetermined temperature, the flow being sensibly ambient pressure. The system is supplied by or foot pump, gravity feed, using low power electric immersion heater, within small, fabricated plastic casing that standard fittings, solvent welded substantially vandal-proof, child-proof heater. Provision cold feed with vacuum break protects against siphoned dry. Snap-in hose connections simplify assembly and maintenance. While electrically protected case construction, electrical ground-fault protection may also be utilized. stand-alone embodiment incorporates diaphragm pump spurts water.