How can I repair my gas heater?
My Rinnai ES38 gives code 99 a blocked vent. The tube to the outside is clear. Is the problem in the burner? Or could it be something else?
My Rinnai ES38 gives code 99 a blocked vent. The tube to the outside is clear. Is the problem in the burner? Or could it be something else?
Marko
Favorite Answer
Recheck the air supply inlet and vent terminal
Page 16
http://www.rinnai.us/documentation/downloads/ES38_1004RFA_Manual.pdf