or gas control valve may be faulty and require cleaning or replacement. JustAnswer Technical Specifications 40 Gallons. 36,000 BTU/hr Natural Gas. Recovery Rate: Approximately 36.4 gallons per hour at a 90° rise. Dimensions: Roughly 58.5" tall by 19" wide. Use and Care Manual - Richmond Water Heaters
Sediment buildup insulates the water from the burner, causing loud popping noises and lower efficiency. Turn the gas control valve to "PILOT" or "OFF". Close the cold water supply valve. richmond water heater model 6g40-36f1 manual