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6 posts • Page 1 of 1
I contacted you a few weeks ago and your answer is at the bottom,
However Iâ€™ve only just got round to trying to fit the air bleed valve.
It's the valve on the end of the upright pipe next to the hot water tank
You mentioned the self sealing valve maybe faulty, wel l it looks like it is faulty.
So what's the next step?
Do I drain the hot water tank and turn off the 2 valves above and below the Grundig Water Pump?
Fingers crossed again!
Your answer:- As you know this is the automatic bleed valve which contains a float valve that opens and shuts to allow air to escape.
Do you see the where the white ptfe tape is showing just above the compression connection to the pipe? The top part can be separated here by unscrewing at this point. The bottom half that is left connected contains a self sealing valve which shuts as you remove the top. This means the bleed valve can be serviced or replaced without draining the system.
Go steady as you remove the top though in case the shut off valve is faulty!!!
This bleed valve is not part of the hot water circuit so draining the cylinder won't help. Neither will turning the pump valves off either.
Can you post a couple of photos of the surrounding pipes? It is not clear whereabouts on the heating circuit the valve is.
What I was trying to see was if the cylinder coil outlet could be shut off. If this is the case you could simply isolate the leaking bleed valve and replace it without draining the heating system down.
Unfortunately there is an upright piece of the shelf restricting the view of the pipes.
Have a look at the coil outlet (directly below the inlet which is the pipe with the leaky valve) and see if there is a gate valve in it.
There are no valves in the particular area you mention.
However there is one valve below the Water Pump and this is on the pipe coming directly from the area in question.
To clarify, in the picture it is the pipe coming directly down from the T junction below the White Zone Valve and as I say this leads to the Water Pump and valve.
6 posts • Page 1 of 1