Bloody Central Heating!

[roystonowl]

Right here is the situation;-
Open vented system
Plenty of hot water,
Clean radiators.
No sludge.
Pump working.
System drained and refilled.
Done everything to check for airlocks.
Still no Bloody Heating!!!!!!!!!!

Any ideas?

 

[jumbo55]

you have to be more specific. what boiler. does boiler fire for any amount of time when you put central heating on, and hot water off. has the system been working properly and suddenly gone wrong, how do you know pump is working. cannot go by noise alone. try and look for some motorised valves in cylinder cupboard if you have one, silver or plastic boxes on pipework, do you have one or two of these. one will have 3 pipes out of it, two will have two pipes each. more info, and im sure the lads will try to help.