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to refill...dont forget inhibitor,?????? and lock the 3 port open with the lever when filling???? now you got me :? :? :? :?

Ello boys happy easter. I need to drain my ch system. It is an ideal classic boiler running to a cyclinder via a diverter valve. am i right in thinking, that i need to tie up the ballcock on the smal header tank in the loft and then just open one of the rad inspection valves and basically...

No, a pipe goes into each side of the rad.

Maick ure a start, many thanks Lee

cheers boys, am i ok to run hte CH with the rad off and valves isolated? Ta

Hey guys, i need to remove a radiator in the on-suite. Thing is i have only ever taken rads off that are part of a combi system, its never been a problem as the rads have always had 2 shut off valves. The house i am in now, has an ideal classic boiler system. I can only see 1 valve on the...

nice one boys :wink: I will check the diverter later, i am now a tad suspicious as my wife fills the damn airing cupboard wiv clean washing, maybe that will have summat to do wiv things :?

To summarise then: if the water in the cylinder is hotter than the cylinder stat, and the immersion is NOT on: It is likely to be either: Faulty cylinder stat or Faulty diverter valve

Ah ah, methinks the penny is finally dropping: if i had boiler set at highest temp, then the cylinder stat would probably instruct the boiler to switch off quicker (i.e moderate temp = longer burning / heating /// high temp = short burst of heating / burning) So, if all valves & stats are...

i take it that you are referring to the 3 way valve with the small black lever on the side? if so is there an easy way to test and determine sticking?

hey Kev, so the stat on the cylinder regulates the temp of the water in the boiler?

Ok, lets say the boiler temp is on a high setting, and the water going to HW cylinder is 70 degrees. If the cylinder thermostat is set at 60 degrees, how does the water cool to 60 degrees?

Hey Nige, The type of shower pump ( Easiboost twin impellor / purple model), has ceramic shaft seals, o f for any reason your hot water to the pump is excessivley hot , it causes cavitation and increases the water temp even further within the pump housing. With this non atmospheric...

leading on from myhot water topic, my shower pump is now leaking from the shaft seal, is it probable that the very hot water has contributed to cavitation and the breakdown of the ceramic shaft seals? Any ideas as to the ideal water temp whe using this type of pump ( Purple type)

johnny t, i remeber H H of H, the bloody one was "the house that bled to death"

yeah, emptied the very hot water last night, then waited until this morning to see waht the temp is like as the boiler heats the water overnight

well guys, with no immersion on, the water is still hotter than the stat setting!! Any clues?

ollski, you are all gonna laugh. the immersion was not on when the water suddenly went hot. I changed the stat tonight. Have just checked and the wife has turned immersion ON!! :? :? :? :? :? :?

kev, got ya. Ideal classic boiler, hercal coil indirect cylinder 140 litres

thanks chris, will check. when i replaced the stat, brown to C, yellow to 1 , green to 2