Low water pressure Clean water filter Change water filter cartidge Check water flow to unit http://waterheatertimer.org/Troubleshoot-Rheem-Tankless-water-heater.html http://waterheatertimer.org/Crossover.html
Gene
If you need further help, I’m available over the phone at https://www.6ya.com/expert/gene_9f0ef4df2f9897e7
Answers & Comments
Low water pressure
Clean water filter
Change water filter cartidge
Check water flow to unit
http://waterheatertimer.org/Troubleshoot-Rheem-Tankless-water-heater.html
http://waterheatertimer.org/Crossover.html
Gene
If you need further help, I’m available over the phone at https://www.6ya.com/expert/gene_9f0ef4df2f9897e7