Excel RV Tankless Water Heater Not Putting Out Hot Water In Temp Under 60 Degrees

Question:

I have an excel tankless hot water heater. In the summer time I have all the hot water I need. But when it gets under 60 degrees outside I dont get any hot water. Everything is working like it should but no hot water. I have turned the noise all different ways, but nothing seems to give me hot water.

asked by: Jesse

Expert Reply:

While below freezing temps could certainly effect the unit, 60 degrees is not that cold, and should not effect the functionality. The first thing we suggest checking is the ventilation around your water heater. One of the reasons your Excel RV Tankless Water Heater # EX93FR, may be shutting off is the Oxygen Detection Safety (ODS) detects low levels of oxygen. If this happens, the ODS system extinguishes the flame. If ventilation is good, the issue could be with your water or gas. We suggest making sure your water pressure is around 40-50 psi. To check gas pressure you would need to take your camper to a certified technician. If all of that checks out we would have to assume that the water heater is in need of replacement. They do come with a 1 year warranty. If you are outside of 1 year you would need to purchase a new unit.

expert reply by: Jesse M