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Published by Gas Boiler Repair Montreal | Updated July 2025
A leaking boiler is more than just an inconvenience — it’s a potential safety risk and a sign that something isn’t right inside your heating system. If you’ve noticed water pooling beneath your unit, here’s what you need to know and what you should do next.

💧 Common Causes of Boiler Leaks

  • Faulty Pressure Valve: If pressure builds up too high, the valve may release water as a safety precaution.
  • Corrosion: Over time, rust or mineral buildup can weaken internal components or joints.
  • Loose or Worn Seals: These can degrade with age and allow small leaks around the pump or fittings.
  • Cracked Heat Exchanger: A more serious issue that may require boiler replacement.

⚠️ What to Do If You See a Leak

  • Turn off the boiler to prevent electrical or water damage.
  • Do not attempt to open or repair it yourself — this could be dangerous.
  • Call a licensed boiler technician immediately for professional diagnosis and repair.

🛠️ Fast, Reliable Boiler Repairs in Montreal

At Gas Boiler Repair Montreal, we handle all types of boiler leaks — from minor valve issues to complete part replacement. Our technicians are fully licensed and available 24/7 across Montreal, Laval, South Shore, and West Island.

📞 Call 514 515 3460 or book an emergency service visit now.

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Phone : 514 515 3460