A detailed Hot Water Boiler ANNUAL preventive maintenance Inspection checklist
1. Preliminary Inspection
2. Visual Inspection
3. Safety Systems Check
4. Operational Checks
5. Cleaning and Maintenance
- Turn off power and gas supply.
- Disassemble the burner assembly carefully.
- Use a soft brush to clean nozzles and ignition systems.
- Inspect for wear or damage; replace if necessary.
- Reassemble the burner and ensure proper alignment.
- Isolate the heat exchanger from the system.
- Use a descaling solution as per manufacturer instructions.
- Scrub surfaces with a non-abrasive brush.
- Rinse thoroughly to remove all cleaning agents.
- Reconnect the heat exchanger and check for leaks.
- Turn off the boiler and allow it to cool.
- Connect a hose to the drain valve.
- Open the drain valve and flush with fresh water.
- Close the valve once the water runs clear.
- Refill the boiler and check for leaks.
- Examine flue pipes for blockages or corrosion.
- Use a vacuum to remove soot and debris.
- Check for proper sealing and connections.
- Inspect for any signs of wear or damage.
- Ensure venting systems comply with regulations.
- Shut down the boiler and allow it to cool.
- Remove access panel to the combustion chamber.
- Use a brush to remove soot and debris.
- Check for cracks or damage in the chamber.
- Replace the access panel securely.
- Locate the air intake filters or screens.
- Remove and inspect for dirt or obstruction.
- Clean filters with compressed air or wash if reusable.
- Replace filters if damaged or excessively dirty.
- Reinstall filters ensuring a snug fit.
- Inspect all gaskets and seals for wear.
- Remove old gaskets and clean surfaces thoroughly.
- Apply new gaskets ensuring proper alignment.
- Tighten connections to prevent leaks.
- Check for leaks after reassembly.
- Locate the condensate trap and drain lines.
- Remove trap and clean with water or vinegar.
- Check for blockages in the drain lines.
- Reassemble the trap ensuring a proper seal.
- Test for flow by running the system.
- Shut down the boiler before cleaning.
- Carefully remove the sight glass assembly.
- Clean with a suitable glass cleaner.
- Inspect for cracks or damage; replace if needed.
- Reinstall ensuring seals are intact.
- Check insulation for wear or damage.
- Replace or repair any damaged insulation.
- Clean surfaces with a damp cloth.
- Ensure insulation is snug and covers all areas.
- Check for any exposed areas.
- Locate the pressure relief valve.
- Lift the lever to check for proper operation.
- Clean any debris around the valve.
- Replace if it does not operate smoothly.
- Ensure valve is securely reattached.
- Turn off the power supply.
- Use a vacuum or cloth to clean surfaces.
- Pay special attention to vents and electrical components.
- Remove any accumulated dust and debris.
- Ensure all surfaces are dry before restarting.
- Shut down the boiler before inspection.
- Remove probes or floats carefully.
- Clean with a soft cloth to remove sediment.
- Check for electrical connections and integrity.
- Reinstall ensuring proper alignment.
- Shut off the system and drain the tank.
- Open the valve to release trapped air.
- Flush with clean water to remove sediment.
- Check the bladder for leaks or damage.
- Reconnect and refill the tank.
- Inspect pumps and valves for leaks or wear.
- Clean any debris from surfaces.
- Lubricate moving parts as necessary.
- Test for proper operation after cleaning.
- Replace components if malfunctioning.
Use in Manifestly