Recent content by davejenks

when we turn on the ch from cold we get a knocking under the floorboards(every 5 secs for about 5 mins). i am going to take up floorboards and locate trouble area. when i find it would you say it is because clamps too tight or too loose. i am going to put some armaflex tape 3mm x 50mm under the...

thanks tony, it has seemed to have righted itself somehow.the signal from the stat to the boiler is this a constant voltage when it wants it to turn on. i have a electrical power tester which shows certain voltages from 12v to 240v and continuity.

room temp norm 21 c stat said 18/19. it has a 1 degree cutin so at 20 it would power up. as i say it had the symbol to say it should be fired up

last night i noticed the room was cool and went to turn the heating on via the room stat (horstmann) which had the flame symbol to say the stat was telling the boiler to work. the boiler had 1 light on to say all ok in standby mode. i disconnected the room stat from the boiler and refitted the...