|Posted by Andy on December 01, 2002 at 17:53:44:|
|In response to Re: Central Heating, is my pump on the wrong way around?|
Hi there! I have drained down the system and back filled, bleeding every rad in sequence and all now are full to the top with water. The air vents I talk about are one off the water cylinder tank/big copper immersion heater and another just above the pump. Although there is a jumper pipe conecting the two at a point, so in affect two vents on the same part of the system. It is these then that are wet with the pump off, and dry with t on, although the air vent above the pump went vented with the pump running will surge with water, but dry again when the screw cap is replcaed. It's either a strange airlock, or water flow not getting to the boliler as it won't ignite!
: Unless you vent all the air from the system, the pump is just going to push it to the air vent locations.
: : I really need help as it's dropped already to 5 degrees and my boiler won't ignite. All was fine last winter, but the system has not been used since. Recentley I removed 2 radiators to decorate and have now replaced them. Only now when I turn on the system do I realise I have problems. There seems to be an airlock, but I have drained the system and back filled, bleeding everything. Looking at diagrams in diy manuals it seems my pump is on the wrong way around, but how can this be if it worked fine last year? When opening the air vents above the pump they're dry and then there is a sudden gush of water, so I lock them back off. A few seconds later the water is pumped and the air vents are full of are air again, as if the pump is drawing water from them. Please can someone help, or is it my boiler that's faulty, although is fairly new.
: : Kindest Regards
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