Boiler frequently loses pressure and needs to be topped up

Safety: Do not overfill the system. Monitor pressure while adding water.

• Inspect for visible leaks: Check all accessible piping, radiators, and the Crown boiler for signs of water.
• Check air vents: Look at automatic air vents on the boiler and near high points for signs of staining or moisture.
• Monitor relief valve: Place a container under the relief valve discharge and check over a day or two for intermittent dripping.
• Expansion tank: A failed tank can cause pressure swings and relief discharge. Have a technician test and replace if necessary.