Hi all
My boiler is making a strange hissing noise, it is rhythmical so makes a puff / hiss and then is normal before puffing again in 10 seconds or so.
I have a video which can be viewed here -
Any thoughts?
My boiler is making a strange hissing noise, it is rhythmical so makes a puff / hiss and then is normal before puffing again in 10 seconds or so.
I have a video which can be viewed here -
Any thoughts?