How to mend ... System Hot Works

How can I repair my Worcester Bosch central heating Combi boiler HF 400?

My Worcester bosch HF400 Combi boiler works with Domestic hot water but when central heating is selected there... [Read more]

How can I get veirfy my radiators are operating properly?

MY Worcestero Bosch high flow 400 had not been working for the past month. Recently the Heat exchanger and pu... [Read more]

What is causing the air in the inlet line?

I have a kerosene tank, above ground, outside that fuels the boiler for the house. I keep getting an air lock ... [Read more]

pilot keeps going out on my raven heat 820/20?

can anyone help? the pilot light keeps going out when i use the hot water,it runs fine but when i turn the tap... [Read more]

No water in hot water tank?

Hi there, I have a problem... lol I'm afraid I'm going to err on the side of giving too much information... [Read more]

sime friendly format 80 e pressure problem ??

hi, my sime boiler has a problem with building up pressure. the hot water side works perfectly. however if th... [Read more]

F 13 error on a glow worm 38cxi?

My 38cxi is approx 3 years old and I have had the normal problems with the boiler. F14 which is an over tempe... [Read more]

Baxi Solo RS Overheat cut out operates - specific conditions?

I have a Baxi Solo RS boiler - about 15 years old. System starts up every morning OK about 6:30am. Heating i... [Read more]

Switch master 805 heating problem?

I am trying to help a relative, they have an old heating system called a "switch master 805". I can set the... [Read more]

W-Bosch 24 Si c/h boiler with the rumbles?

My 24 Si boiler; morning start-up. Kicks in then starts noisy rumbles. Pressure build-up has rapid fluctuation... [Read more]

Problem with Ravenheat RSF 820/20 combi boiler?

I have just drained the hot & cold water from the system, when re-filled the central heating works fine, but t... [Read more]

Ferroli Optima 701 Hot water intermitent?

What is the cause of intermitent hot water. Central heating works without any problem but hot water is not rel... [Read more]

Britony Combi 80/100 possible faulty two way valve?

Some times (especialy if unused for several weeks)when switching on to "hot water only" system does not run ho... [Read more]

How can I fix my Potterton Profile 40e boiler?

The hot water side of the central heating system works fine.But no heating,the hall thermostat works,when oper... [Read more]

Where can I get a replacement fan for a Myson Super III heat exchanger? ?

I have a water heated system in my home, with a Myson Super III wall unit in the kitchen. The unit is still r... [Read more]

Potterton puma 80e no central heating hot water ok?

The central heating has stopped working without warning. The hot water works fine and the modulator light goe... [Read more]

Glow-worm 18sxi problems - HELP!?

Hi We bled the rads on Friday evening, lots of air in system. Later that evening boiler refused to work, 0... [Read more]

No hot water from my Alpha CB50 boiler?

I just installed an Alpha CB50 boiler. The central heating system works fine, but whe I set the boiler onto th... [Read more]

micron no hot water?

glow worm micron stops producing hot water every 10 days or so the central heating system works fine i turn o... [Read more]

glowworm30ci?

hi my boiler has a problem. the heating works but cuts out for seconds and comes on . the hot water wont work.... [Read more]