Lochinvar Condensing Boiler FBN1001

Flue Vent System and Air Piping Inspection

Visually inspect the entire flue gas venting system and air piping for blockage, deterioration, or leakage

Repair any joints that show signs of leakage

Verify that air inlet pipe is connected and properly sealed

Verify that boiler vent discharge and air intake are clean and free of obstructions

Air and Vent Termination Screens

Check air and vent termination screens

Follow the 'To Turn Off Gas to Appliance' instructions

Is the boiler exposed to freezing temperatures? If yes, drain the boiler unless using freeze prevention fluid.

Allow boiler to cool to room temperature if it has been firing

Remove the top access panel to access the gas/air manifold assembly

Remove the nuts securing the burner to the burner mounting plate and remove the burner

Remove the nuts securing the burner mounting plate from the heat exchanger and set aside the entire burner mounting plate assembly

Low Water Cutoff Test and Reset

Reset button (low water cutoff)

Boiler and System Leak Inspection

Inspect all water and gas piping and verify to be leak free

Are there any signs of leaking lines?

Describe any problems found with leaking lines

Correct any problems found with leaking lines

Gas Line and Relief Valve Check

Record the flame signal at high fire for each combustion system

Is the flame signal at least 10 microamps?

Troubleshooting Low Flame Signal

Clean the flame sense electrodes

Is the ground wiring in good condition?

Is the ground continuity satisfactory?

Replace the flame sense electrode if necessary

Clean system water with approved system restorer