A detailed Hot Water Boiler MONTHLY preventive maintenance Inspection checklist

General Safety Precautions

Visual Inspection

Water Quality Check

Operational Checks

Electrical System Inspection

Burner and Combustion System

Pump and Circulation System

  • Examine the pump casing and connections for any signs of leaks.
  • Test the pump operation by running it and observing performance.
  • Check for unusual sounds or vibrations during operation.
  • Remove strainers and filters from the system.
  • Inspect for debris, buildup, or clogs.
  • Clean or replace strainers and filters as necessary.
  • Measure water flow rates at various system points.
  • Ensure all zones are receiving appropriate flow.
  • Adjust flow rates if discrepancies are noted.
  • Check seals and gaskets for cracks or deterioration.
  • Look for signs of leakage around seals.
  • Replace any damaged seals or gaskets immediately.
  • Listen for grinding or rattling noises during operation.
  • Feel for excessive vibrations on the motor casing.
  • Lubricate bearings if applicable and check for play.
  • Use alignment tools to check for misalignment.
  • Adjust mounts or couplings as needed.
  • Recheck alignment after adjustments.
  • Use calibrated gauges to measure pressures.
  • Record temperatures at inlet, outlet, and key points.
  • Compare readings with baseline data.
  • Remove the impeller cover and inspect for debris.
  • Clean impellers using appropriate tools and methods.
  • Reassemble carefully to avoid damage.
  • Inspect insulation for integrity and damage.
  • Replace or repair any worn or missing insulation.
  • Ensure all pipes are insulated to prevent heat loss.
  • Open and close each valve to check for smooth operation.
  • Inspect for rust, corrosion, or buildup.
  • Replace any faulty valves as necessary.
  • Observe the control system during operation.
  • Verify speed adjustments respond appropriately.
  • Check for error codes or warnings on the display.
  • Review flow rates, pressures, and temperatures.
  • Identify any deviations from baseline performance.
  • Document findings for review.
  • Check the expansion tank for signs of corrosion.
  • Ensure the air charge is at the manufacturer-recommended level.
  • Clean any sediment or debris from the tank.
  • Inspect all bleed valves for accessibility.
  • Open bleed valves to release trapped air.
  • Monitor pressure levels and ensure they stabilize.
  • Test each shut-off valve to ensure it opens and closes.
  • Inspect for leaks or signs of wear.
  • Replace any malfunctioning valves promptly.
  • Review the lubrication schedule per manufacturer guidelines.
  • Apply appropriate lubricant to moving parts as needed.
  • Check for excess lubrication that could cause issues.
  • Document specific sounds or vibrations observed.
  • Identify the conditions under which they occur.
  • Plan for further troubleshooting if necessary.
  • Analyze maintenance logs and performance data.
  • Look for patterns in repairs or failures.
  • Address any identified issues proactively.

Safety Devices and Alarms

Documentation and Reporting

Follow-Up Actions

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