
Supply quantities and model numbers as indicated on the plumbing schedule. Gas and Electrical Consumption The water heater will operate at a minimum of 83% thermal efficiency when tested by an independent laboratory to ANSI Z21.10.3. The water heater will comply with paragraph 7.2.4.4, the thermal efficiency, the standby loss, and all other requirements of ASHRAE 90.1-1999. Pressure Vessel and Heating Surfaces The water heater will be constructed and stamped in accordance with Section IV, Part H