How Do You Maintain A Gas Boiler?

How Do You Maintain A Gas Boiler? Examine the Vent and Chimney. Check the Heat Exchanger. Flush out the Boiler. Lubricate the Circulating Pump. Get Help from an Expert. Adjust the Boiler to Operate Efficiently. What maintenance does a gas boiler need? Any natural gas-powered appliance must receive regular inspections to ensure it operates safely.