Air Vent Leaking Water Boiler

However there s a chance that the ptfe tape on the inside of the fitting might need checking then it s time to call the engineer.

Air vent leaking water boiler. If your boiler is leaking water around the pipe fittings then there s a possibility that it s an installation fault. This issue is often found with new boilers if the engineer has badly sealed the pipe fittings. To check dab the area dry then wait to see if the water appears again if so a turn might do the trick. Overtime the water combined with the metallic debris within the system will naturally corrode the copper piping eventually leading to small gaps which water is escaping from leaking.

Now it is working without any leaks. The air vent it not necessarily bad. When the boiler starts being run regularly just manually open the cap once or twice a day to release the air coming out of all the fresh water. This is by no means a fault caused by the automatic air vent.

The most common cause of this pipework causing a boiler leak is corrosion of the pipes. Use the biggest hammer you like pounding a square peg into a round hole does not equal a proper fit. The faulty airvent leaking water into the boiler. You can see the signs clearly that this heating system is badly sludged up.

If you mean the schrader valve on the expansion vessel is leaking water then the membrane in the vessel is burst. Ohh what a mess. Guide to repairing an auto air vent aav. Time to call in a boiler tech to check the system over and get it back to working condition.

This automatic airvent needed repacing. There is obviously no air in it. A high pressure will cause the pressure relief valve to open typically 3 bar if the auto air vent is leaking water it needs changing. This boiler was repaired by unic uk.

Just look at the brown colour water coming from the aav. That vent is to catch and release air.