A detailed Hot Water Boiler DAILY preventive maintenance checklist

Visual Inspection

  • Examine all visible surfaces for moisture or rust.
  • Check welds and joints for signs of wear.
  • Inspect piping connections for leaks.
  • Look for any discoloration indicating corrosion.
  • Inspect insulation for tears, cracks, or missing sections.
  • Ensure insulation is securely attached and not sagging.
  • Look for signs of moisture damage on insulation.
  • Verify that insulation is dry and free from contaminants.
  • Check that all panels are properly aligned.
  • Inspect latches or fasteners for integrity.
  • Confirm that no gaps are present around panels.
  • Ensure panels are free from obstructions.
  • Listen for rattling, grinding, or hissing sounds.
  • Feel for excessive vibrations at various points.
  • Monitor for changes in operational sounds.
  • Document any anomalies for further investigation.
  • Ensure gauges are clean and readable.
  • Check for needle movement within normal range.
  • Look for signs of damage or fogging.
  • Confirm calibration status of gauges.
  • Inspect valve handles for ease of operation.
  • Look for any visible leaks around valve bodies.
  • Check for signs of rust or corrosion on valves.
  • Ensure valves are properly labeled and accessible.
  • Inspect wires for fraying or insulation damage.
  • Check terminals for tightness and signs of oxidation.
  • Look for any exposed wiring that may pose a hazard.
  • Verify that grounding connections are intact.
  • Check for soot accumulation on burner surfaces.
  • Inspect for any signs of flame disturbance.
  • Ensure all components are clean and functioning.
  • Document any issues for repair or maintenance.
  • Check for obstructions in vent pipes.
  • Inspect joints and connections for leaks.
  • Look for signs of rust or corrosion in venting.
  • Ensure proper alignment and secure fittings.
  • Inspect valve body for signs of wear.
  • Check for any leaks around the valve.
  • Test the valve operation if applicable.
  • Ensure valve is properly labeled and accessible.
  • Check the area beneath the boiler for moisture.
  • Inspect piping for leaks or condensation.
  • Look for damp spots on the floor or walls.
  • Document any findings for further investigation.
  • Inspect the tank for rust or corrosion.
  • Check for any visible leaks around fittings.
  • Ensure tank is securely mounted and stable.
  • Verify that pressure readings are within normal range.
  • Inspect for clarity; clean if dirty.
  • Ensure that the sight glass is securely mounted.
  • Check for leaks around the sight glass fittings.
  • Confirm that readings are within expected parameters.
  • Ensure there is adequate space around the boiler.
  • Check for clutter or flammable materials nearby.
  • Verify that access pathways are clear.
  • Ensure proper ventilation is maintained.
  • Check that labels are intact and not worn.
  • Ensure all instructions are easy to read.
  • Verify that safety information is up to date.
  • Document any missing or damaged labels.

Water Quality Checks

  • Use a calibrated pH meter or test strips.
  • Submerge the probe or strip in the boiler water sample.
  • Wait for the reading to stabilize.
  • Record the pH level and compare it to the recommended range.
  • Visually inspect the boiler internals and surfaces.
  • Look for white or brown deposits indicating scaling.
  • Check for sludge or sediment accumulation at the bottom.
  • Document any findings for further action or cleaning.
  • Utilize a dissolved oxygen meter or test kit.
  • Collect a sample of the boiler water.
  • Follow the manufacturer's instructions to perform the test.
  • Record the dissolved oxygen levels and compare to standards.
  • Review chemical dosing logs and usage rates.
  • Test chemical concentrations using appropriate test kits.
  • Adjust chemical levels according to manufacturer specifications.
  • Document any adjustments made to the treatment regime.
  • Use an alkalinity test kit or titration method.
  • Collect a sample of the boiler water.
  • Follow testing instructions to determine alkalinity.
  • Record the alkalinity level and compare to acceptable limits.
  • Use a conductivity meter or probe.
  • Submerge the probe in the boiler water sample.
  • Wait for the reading to stabilize.
  • Record conductivity levels and note any necessary action.
  • Check for any error indicators or alarms.
  • Inspect resin tanks for signs of wear or damage.
  • Ensure salt levels are adequate and replenish if needed.
  • Document any maintenance tasks performed or required.
  • Use a chloride test kit or meter.
  • Collect a sample of the boiler water.
  • Follow instructions to perform the test accurately.
  • Record chloride levels and take corrective measures if high.
  • Use a TDS meter or test kit.
  • Collect a sample of the boiler water.
  • Submerge the TDS meter and wait for the reading.
  • Record TDS levels and assess against operational standards.
  • Review blowdown logs for frequency and volume.
  • Ensure blowdown valves are operational and unobstructed.
  • Perform a manual blowdown if required and observe.
  • Document blowdown actions and any issues encountered.
  • Collect recent treatment logs and reports.
  • Look for trends in water quality metrics.
  • Identify any deviations from expected performance.
  • Recommend adjustments based on findings and trends.
  • Visually check all feedwater piping and connections.
  • Look for moisture, stains, or corrosion around fittings.
  • Ensure filters are clean and functioning properly.
  • Document any leaks or contamination signs for repair.
  • Use a calibrated thermometer or temperature gauge.
  • Take temperature readings at various points in the system.
  • Compare readings to the operational temperature range.
  • Record temperatures and note any discrepancies.
  • Maintain a detailed log of all water quality tests.
  • Note any unusual readings or observations.
  • Prioritize issues based on severity and potential impact.
  • Schedule follow-up actions or investigations as needed.

Safety Equipment Inspection

  • Check for any visible leaks around the valves.
  • Manually operate each valve to ensure proper movement.
  • Listen for unusual sounds during operation.
  • Confirm that each valve closes fully without resistance.
  • Ensure the gauge reads zero when not in operation.
  • Cross-check the reading with a calibrated gauge.
  • Look for any signs of damage or corrosion.
  • Confirm that the gauge is securely mounted and accessible.
  • Test the controls by adjusting the temperature settings.
  • Monitor the response time of the temperature adjustments.
  • Inspect wiring for signs of wear or damage.
  • Ensure that the system maintains the set temperature consistently.
  • Activate the switch to ensure it shuts down the system.
  • Check for any delay in the system's response.
  • Inspect the switch for damage or wear.
  • Confirm that the switch is clearly marked and accessible.
  • Manually simulate low water conditions to test the switch.
  • Verify that the switch triggers an alarm or shut-off.
  • Check the calibration settings against manufacturer specifications.
  • Inspect for signs of corrosion or wear.
  • Gradually increase system temperature to test activation.
  • Confirm that the control properly interrupts heating.
  • Check for any delays in activation.
  • Ensure the control is calibrated to the correct limit.
  • Test each interlock by simulating failure conditions.
  • Verify that interlocks prevent operation when triggered.
  • Inspect connections for signs of wear or damage.
  • Ensure that each interlock is clearly labeled.
  • Inspect the flame sensor for dirt or obstructions.
  • Test the system by observing the flame during operation.
  • Confirm that the safeguard activates during flame failure.
  • Ensure all connections are secure and corrosion-free.
  • Visually inspect the entire length of the vent.
  • Check for any signs of soot buildup or corrosion.
  • Confirm that all joints are sealed and secure.
  • Ensure that the vent is free of obstructions.
  • Inspect each panel for signs of wear or damage.
  • Verify that all fasteners are tight and secure.
  • Check that guards are properly installed and functional.
  • Ensure access panels close fully without gaps.
  • Activate each alarm system to verify sound output.
  • Check visual indicators for proper functionality.
  • Inspect wiring for damage or loose connections.
  • Ensure alarms are clearly audible from a distance.
  • Check that extinguishers are fully charged and inspected.
  • Ensure they are accessible and not obstructed.
  • Verify that the inspection tags are up to date.
  • Confirm that extinguishers are appropriate for the fire risk.
  • Inspect all signage for clarity and legibility.
  • Confirm that emergency procedures are up to date.
  • Ensure signs are placed in visible locations.
  • Check for additional signage required by regulations.
  • Check all connections for tightness and security.
  • Look for frayed wires or corrosion at terminals.
  • Inspect insulation for any signs of damage.
  • Ensure that all connections comply with safety standards.

Operational Checks

  • Check pressure gauge for normal range, typically between 10-15 psi.
  • Inspect temperature gauge for readings aligning with manufacturer specifications.
  • Record readings for documentation and future reference.
  • Report any anomalies immediately.
  • Open the blowdown valve slightly to observe water flow.
  • Ensure that water discharges freely without obstructions.
  • Close the valve securely after testing.
  • Listen for any unusual sounds during operation.
  • Verify that the pump is running by checking the power indicator.
  • Inspect for any leaks around the pump seals.
  • Listen for abnormal noises indicating potential issues.
  • Confirm adequate water flow through system.
  • Initiate the burner start sequence and observe ignition.
  • Check for steady flame and absence of irregular flickering.
  • Monitor for any unusual noises during operation.
  • Ensure that safety interlocks are engaged.
  • Inspect for visible leaks around the valve connections.
  • Test the valve by lifting the lever and observing water discharge.
  • Ensure that the valve reseats properly after testing.
  • Document findings for maintenance records.
  • Check the pump operation and gauge readings for normal flow.
  • Inspect for leaks or obstructions in the feedwater line.
  • Monitor the water level in the boiler during operation.
  • Adjust as necessary to maintain specified flow rate.
  • Test the low-water cutoff by simulating low water conditions.
  • Ensure that the system shuts down the burner as required.
  • Inspect wiring and connections for wear or damage.
  • Confirm that the device resets properly after testing.
  • Check air intake for obstructions or blockages.
  • Verify that dampers are functioning and positioned correctly.
  • Measure air supply against manufacturer's specifications.
  • Ensure proper ventilation is maintained in the boiler room.
  • Check exhaust stacks for corrosion or wear.
  • Inspect joints and connections for gas leaks.
  • Verify that flue gas is venting freely without obstructions.
  • Document any issues for repair.
  • Check control settings against manufacturer specifications.
  • Observe temperature fluctuations to ensure stability.
  • Test the calibration of temperature sensors.
  • Adjust controls as necessary to maintain proper temperature.
  • Simulate low and high water conditions to check response.
  • Ensure that the control system maintains the water level.
  • Inspect sensors for proper alignment and function.
  • Document any irregularities for follow-up.
  • Check VFD display for error codes or warnings.
  • Monitor the operation of connected equipment for smooth performance.
  • Inspect wiring and connections for signs of wear.
  • Ensure proper settings for speed and torque.
  • Listen for abnormal sounds during operation; document findings.
  • Inspect equipment for loose components or misalignments.
  • Monitor vibration levels to ensure they are within acceptable ranges.
  • Address any issues immediately.
  • Inspect control panels for visible damage or wear.
  • Verify that all indicators show normal operational status.
  • Test functionality of emergency shut-off switches.
  • Document any discrepancies for repair.

Fuel Supply Inspection

  • Examine all visible fuel lines for wet spots or stains.
  • Look for cracks, abrasions, or any physical damage.
  • Test connections and fittings for tightness.
  • Document any leaks and schedule repairs immediately.
  • Remove the fuel filter cover as per manufacturer's guidelines.
  • Inspect the filter element for dirt and debris.
  • Replace the filter if it appears clogged or dirty.
  • Reassemble the filter and check for leaks after installation.
  • Use the gauge to measure the fuel level.
  • Compare the reading with expected fuel consumption.
  • Ensure that the tank is at a safe operating level.
  • Document the fuel level for record-keeping.
  • Locate all fuel shut-off valves in the system.
  • Test each valve to ensure it opens and closes smoothly.
  • Check for any signs of wear or leaks around the valves.
  • Label any non-functional valves for repair.
  • Check insulation on all exposed fuel lines.
  • Look for any damaged or missing insulation.
  • Replace or repair insulation as needed.
  • Document any changes made to insulation.
  • Examine tanks for rust, pitting, or flaking paint.
  • Inspect joints and seams for signs of corrosion.
  • Address any corrosion immediately to prevent leaks.
  • Document the condition of the tanks and lines.
  • Listen for abnormal sounds during pump operation.
  • Check for consistent fuel flow at the output.
  • Ensure the pump is primed according to manufacturer instructions.
  • Document any issues and schedule maintenance if necessary.
  • Check the gauge readings against a known reference.
  • Look for any physical damage to the gauge.
  • Calibrate or replace the gauge if necessary.
  • Document any discrepancies found.
  • Locate all emergency shut-off systems near the fuel supply.
  • Test each system to ensure it functions properly.
  • Ensure clear access to shut-off systems at all times.
  • Document the operational status of each system.
  • Review boiler specifications for required fuel type.
  • Check fuel supply for compliance with those specifications.
  • Document any mismatches and consult with a technician.
  • Label the fuel type clearly at the storage tank.
  • Inspect the ground for any signs of pooling fuel.
  • Ensure that drainage systems are clear and functional.
  • Check containment measures for integrity and effectiveness.
  • Document the conditions and any needed improvements.
  • Conduct a sniff test around fuel lines and storage areas.
  • Pay attention to any strong or unusual smells.
  • Investigate any odors immediately and take appropriate action.
  • Document findings and actions taken.
  • Review fuel consumption records against current supply.
  • Account for any upcoming demands or changes in usage.
  • Order additional fuel if levels are below required thresholds.
  • Document current fuel supply levels and expected needs.
  • Keep a log of all maintenance and modifications.
  • Ensure documentation is clear and easily accessible.
  • Notify relevant personnel of any significant changes.
  • Review changes for compliance with safety standards.
  • Gather all SDS for fuels used in the facility.
  • Check that all sheets are current and accessible.
  • Store SDS in a designated, easy-to-find location.
  • Review SDS with personnel to ensure awareness.

Documentation and Reporting

End of Day Shutdown Procedures

Related Checklists