How to mend ... Boiler System Heat

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]

Potterton Promax 15 SL?

New boiler 1yr old fitted by BGas who also charged for a power clean?. British Gas home care changed fan last ... [Read more]

Ferroli Boiler HE 38C/Heat exchanger?

DHW Run's hot and then goes cold? I have a Ferroli Opimax HE 38C 4 years old, When I turn ON DHW run's hot a... [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]

Grant Combi 90 V3?

I am stuggling with airlocks in my system and no matter how much I bleed the radiators I cannot seem to have h... [Read more]

how to fix?

my potterton boiler fires ok first time but does not heat up water or radiators. once it reaches the temperatu... [Read more]

potterton boiler short cycling ?

I have tried many things to stop my potterton prima f 100 boiler from cycling (starting up for 10sec then turn... [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]

Firebird Reillo - Airlock fixed but no heat coming to rads?

Hi there, My tank ran out of oil and airlocked my system. Got tank filled and have bled the boiler as normal.... [Read more]

boiler not switching on?

i have a digistat wireless system the stat calls for heat the red light flashes on the reciver but the boiler ... [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]

Bolier not firing up?

I have a Ravenheat csi 85t combi boiler, 4 years old. I heats up the water but will not fire up to heat radi... [Read more]

Pilot light goes out?

My mother-in-law has a Main BF water heater which is nearly 2 years old. When boiler was 10 months old the gas... [Read more]

Glowworm 38 CXI combi hot water disappering and coming back?

I have a 6 year old Glowworm 38 CXI combi boiler which delivering hot water only for the first minute and afte... [Read more]

glowworm condensing boiler fault?

when my boiler fires up to heat water it cuts out 20-30 seconds after firing up but central heating ok, have h... [Read more]

Lock out problem with vaillant turbomax plus?

My turbomax plus 828e locks out under the following circumstances.1 If I draw hot water when the boiler is co... [Read more]

Trying to fire up my worcester oil boiler?

Hi I have recently bought a second hand Worcester oil combination boiler, we have gone through the manual and ... [Read more]

Worcester Greenstar- no hot water?

Hi, i was just wondering if anyone could help... For the last few weeks my 4 year old Worcester greenstar 2... [Read more]

Vokera mynute PRV not working?

Hi The pressure in the boiler had dropped to almost 0bar as it tends to do over time. I filled the system b... [Read more]