How to mend ... Hot Water Rads

Grant Vortex pressure dropping?

I have a Grant Vortex boiler powering underfloor CH, Rads + hot water. I have to repressurise the boiler every... [Read more]

sime 80 combi boiler cutting out?

my boiler fires up for about fifteen seconds then goes off for five mins so the rads get warm but never get ho... [Read more]

my halstead ace high boiler does'nt let regulate the heating water ?

a couple of wks ago when i turned the heating on the pressure would start on 1 bar as normal and to 2.5 bar wh... [Read more]

Central Heating and Water on continuously?

New CH pump fitted a month ago by a registered plumber. Since then the Central heating and water runs continuo... [Read more]

Rads are too hot even though room stat set at 20c?

The house rads are almost too hot to touch even though room stat set at 20 deg. Turned boiler down to 2 (out o... [Read more]

What are the symptoms of a faulty boiler stat ?

My boiler seems to be running for very short periods and the central heating hot water is not getting to the f... [Read more]

How can I fix my worcester 15/19 oil combi boiler [heatslave]?

Boiler keeps demanding hot water when heating comes on and will not heat rads. Have replaced diverter valve a... [Read more]

Howw can I fix my FERROLI DOMINA 80 E, radiators only partially warm ?

I have had the above above model in my house for some time, and have not at all been satisfied with the heatin... [Read more]

What is wrong?

My ravenheat condensing boiler lights and then goes out and then lights and then goes out and so on - the rads... [Read more]

ALPHA CB24 COMES ON IF IT HAS A GHOST IN IT?

ANY ONE CAN HELP US WE HAVE A ALPHA CB24 COMBI BOILER IS OLD JUST USED IT FOR HOT WATER BUT HAVE BEEN ADDING... [Read more]

chaffoteaux calydra 80 problem?

hi,iv a problem with the heating,the boiler fires up to heat the rads for about 10 secs then goes off every mi... [Read more]

Rayburn Driven Central Heating Problem - Upstairs Cold?

I have a Rayburn Gas CH system with a seperate pump. The cooker / boiler is in the basement kitchen with 3 ra... [Read more]

operating instructions for worcester-bosch combi boiler?

Dear Sir I have just bought a maisonette that has a Worcester-Bosch combi boiler. No instructions were left. ... [Read more]

maxim 28e?

i am getting hot water but no heating to rads ,presser on system is 1.5 bar bypass is not blocked mikerow swit... [Read more]

error code?

my customers centora 24 combi is showing code 07 which i believe is no circulation on primary circuit. i suspe... [Read more]

Hot Water But No CH Poterton Neataheat Profile 30e-80e?

In addition the my previous question (with same title), I managed to get the Central Heating (CH) working for ... [Read more]

Hot Water but no CH Potterton Netaheat Profile 30e-80e?

In the last day or so we have noticed that we are getting hot water but no Central Heating (rads are cold etc.... [Read more]

Worcester Bosch 240 RSF not firing?

Worcester Bosch 240RSF combi boiler. Soft water, high mains pressure. Here's the problem: I had replaced th... [Read more]

How do I fix an Ideal Classic LX Boiler?

Turned off the mains water to fit an electric shower. Since then the boiler will heat my hot water but the cen... [Read more]

ravenheat LS80 shower water not as hot as it used to be?

Hello we have a Ravenheat LS80T. A couple of years ago it stopped firing up when h/w taps were turned on and i... [Read more]