My neighbor was filling up her black tank to flush it and forgot to open drain and flooded her trailer. When this happened, her Atwood hot water tank over heated and pressure relief valve opened and d...
Doing the toilet with drain closed flooded the trailer floors which I stated. The water running out of the trailer probably wet the stat contacts and when it over heated the relief valve dumped the water. Later in the day I cleaned and blew out the stat contacts. She tried it today and all is fine. Thanks Old Biscuit for the stat info.