How to mend Water Cold Boiler Radiators Hot

3

how do i get 3 cold raiators to heat up, when all the others are hot?

we have gas central heating in an ex coucil house, there are 7 radiators but 3 of the 4 upstairs are cold, the... [Read more]

4

Sime super 90. No hot water. Won't fire up?

hi, The central heating (radiators) is fine although, for quite a while now the switch clicks on and off a f... [Read more]

1

No Hot Water?

The hot water on my boiler goes cold if I am running the water continuously for around 5 minutes with the heat... [Read more]

3

Why does the pressure keep rising?

I recently had my bathroom tiled, in the process the builder took the radiator off of the wall, after refittin... [Read more]

1

britony combi 80/100?

My radiators are cold they are not warming up.When the boiler comes on it stops after a minute. what can it be... [Read more]

1

boiler keeps going on and off (combi alpha 240e)?

when heating is on the boiller keep comeing on then going off, so radiators are hot then cold hot then cold, i... [Read more]

9

Boiler fires up when demand for hot water but doesn't when demand for C/H?

I have a Potterton Netaheat Profile 80e boiler, Honeywell V4073A mid-position valve, Honeywell ST699B programm... [Read more]

1

Pipework Mix Up?

Hi there I recently relocated some pipework so that I could fit more ceiling joists to reinforce our loft conv... [Read more]

1

Heating but no hot water?

I have a glowworm 30 Ci combi boiler which has been great since it was installed. but yesterday the hot wate... [Read more]

2

boiler not working?

my radiators are cold and iv got no hot water.pilot lights lit but no noise coming from boiler as their normal... [Read more]

2

Extremely low hot water flow rate on Sabre Combi Boiler?

I have a Sabre Combi Boiler in a 3 bedroom flat on the 2nd floor of a low rise block. Cold water flow rate is ... [Read more]

6

Worcester 24i pressure dropped to zero?

Hi I "bled" my radiators thinking I was doing a good thing. However afterwards I noticed that I was not get... [Read more]

4

What is causing my boiler to randomly operate the central heating?

My boiler, a Potterton Puma 80e, works fine on the hot water cycle, but randomly operates the central heating.... [Read more]

4

potterton 16/22 not staying on?

i have recently drained and flushed the system and refilled it with a suitable inhibitor but now the boiler i... [Read more]

1

Sometimes we have hot water, sometimes we don't! ferroli 80e boiler?

Help! Our boiler sits at about 2 bar of pressure. We have had problems with hot water going cold occassionaly,... [Read more]

1

ferroli mondena boiler?

when the domestic hot water tap is turned on, the water runs hot for a few seconds then runs cold, but when th... [Read more]

3

Only cold water from hot tap?

I have a Myson boiler with hot water tank - tank has two pumps one for rads and one for hot water - both worki... [Read more]

1

Central Heating Control?

Every ten days or so the central heating system ignores the programming set into the clpock programme. It rem... [Read more]

1

Intermittent Fault Vaillant turbomax VUW 242E?

How can I fix my Vaillant Turbomax VUW 242E? My boiler is 8 yrs old. The flame indicator illuminates but th... [Read more]

1

hot water runs cold?

My hot water runs cold and only runs hot when the radiators are working. What is wrong with my boiler?