the access cover. Do you have the correct size water heater for your requirements? The sizing guide in the sales literature suggests average sizes that may be needed. Is one outlet (especially the shower) using more hot water than you think? Carefully review the family's hot water usage. Inexpensive flow control valves can be easily fitted to the shower outlets to reduce water usage. Ensure thermostat setting is appropriate. You may choose to adjust the thermostat upwards to gain additional hot water capacity. Is there gas to the water heater? Check the isolating valve in the gas line is "on". Is there a normal gas supply to the rest of the house? Try lighting another gas appliance to check. If no gas, call the gas supply authority. if there is please contact your nearest Rheem Service Centre. When the water heater is first lit, or after a large draw off of hot water, condensation may form on the burner and grille of the water heater. This is quite normal, especially in winter months, and will dry off as the water is heated. Is there gas to the water heater? Check the isolating gas cock on the gas supply line is turned "on". Try lighting another gas appliance. If there is no gas, call the gas supply authority. If there is please contact your nearest Rheem Service Centre. Lazer Boiling Water Unit To size the Lazer (capacity) required to supply hot water to 30 people (with 30 consecutive fills) you can