Proper gas pressure must be ensured to supply tankless gas water heaters – up to 180,000 BTU for RTG-66 models. (Consult your gas supplier) Water Heater Flow Rate Curves Delta-T In keeping with its policy of continuous progress and product improvement, Rheem reserves the right to make changes without notice. Max Flow ®...
Need help?
Do you have a question about the 000 - 180 and is the answer not in the manual?
Questions and answers