How to mend ... Hot Water Heating System

radiators?

All the radiators are bottom fed so why do 6 of 14 get hot first at the top progressively getting hot downwar... [Read more]

Sabre he?

we have heating but no hot water, system pressure was low (about 0.4bar). I opened the filling loop and its no... [Read more]

how many pumps can i use on heating system?

have 17 rads 16 gets heat +hot water 1 rad in attic not getting any heat do i need a 2nd pump and where would ... [Read more]

Heat Exchanger?

If a heat exchanger is blocked on a combi boiler can this have an effect on the hot water and the heating or i... [Read more]

Worcester Danesmoor wm12/19?

I have stupidly allowed the oil to run out which seems to have caused the boiler to lock out when trying to he... [Read more]

I have an Ideal elan 2 boiler this was in the house when we bought it?

I have an Ideal elan 2 boiler this was in the house when we bought it and has worked alright and is still heat... [Read more]

Grant outdoor combi 90 v3?

My sealed system loses pressure when I run the hot water. When boiler cuts in the system builds up pressure ag... [Read more]

boiler will not fire up on heating ?

my boiler will only fire up on hot water and then the rads get hot.I am unable to isolate the two. Ihave a dra... [Read more]

Powerclean?

C/Heating Potterton Promax SL 1yr old serving 8 old flat ribbed rads and 3 new convector type, and of course... [Read more]

Baxi 105 instant He problems?

I have the above boiler 4 years old and am looking for any advice as really hope i dont need to get a engineer... [Read more]

VailantTurbomax VUW242 E Central Heating Problem?

My Turbomax will, but only on occassion, fire up to send water around the central heating system. Domestic Hot... [Read more]

Combination valliant boiller with heating, but no hot water?

Can anyone please give me any hints as to what is wrong with this combination valliant boiler that is giving h... [Read more]

hot water heat pressure on 2# should be 12#?

Repaired a pipe on my H/Water heating system. Boiler type Weil-MclaLain. Worked well for 30 years. Now hav... [Read more]

worcester danesmore oil boiler?

hi we have a worcester danesmore 15 /19 oil boiler the central heating side works but can't get hot water to w... [Read more]

Noisy system .... bubbling noise?

when the heating or just hot water on im getting a noise in the boiler pipes & it sounds like running water in... [Read more]

System will only operate in Central Heating and Hot Water?

Irrespective of switching to Hot Water only or Hot Water plus Central Heatinh the boiler will only function in... [Read more]

Problem with my Vaillant eco tech 428?

I have got a Vaillant eco tech 428 heat only boiler which has been installed to a pressurised heating system. ... [Read more]

fertech 31c boilder?

no hot water after installation of this boiler alongside a brand new central heating system? Error code F40 (... [Read more]

Carver 2 Caravan Water Heater?

I have just brought a second hand 1995 Lunar Mercury in excellent condition. At the weekend I started testing ... [Read more]

Potterton Prima-donna F - not heating water?

My central heating seems to work fine but there is no sign of hot water. If I turn on the HW only on the contr... [Read more]