How to mend ... Boiler Ch System

my biasi boiler is working on dhw, but on ch it is working very slowly?

my biasi boiler is working on dhw, but on ch it is working very slowly, the returns are cold, the ch system se... [Read more]

Glowworm Compact 100e?

Went to a Glowworm Compact 100e the other day and found out it was a lose electrical connection. Problem solve... [Read more]

no heating?

i have a domestic gravity fed pumped system with two mot. valves. the HW system works fine when controller dem... [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]

Vokera Linea 24 cutting out?

My boiler appears to cut out after first heating to the target temperature. once the max temp is reached it wi... [Read more]

My 350 combi will only issue hot water if the CH system is on?

My 15 year old 350 combi has developed a fault in that if the CH is off and you turn a hot tap on, HW comes ou... [Read more]

SIME central heating system anti-freeze - how much?

I have a SIME friendly Format 80E boiler fitted in my static caravan. The CH system water was tested recently ... [Read more]

potterton puma ?

my potterton puma which is about 8yrs old has developed two faults, when you run the shower upstairs for more ... [Read more]

How to drain a Saunier DUVAL boiler and CH system?

How do i drain down a Saunier Duval central heating system? Also how do i refill it? What "chemicals" must i a... [Read more]

Worcester 240 - one cold radiator?

Hi, I'd be grateful for your suggestions on the following problem - I's got me stumped! My Worcester 240... [Read more]

RAVENHEAT LS80 in consistent DHW + pressure probs?

I have a ravenheat LS80T and when i don't use the Heating the pressure stays perfect but when I use the heatin... [Read more]

28i junior CH problem?

I have a fault with the central heating of my worcester 28i junior. The boiler fires up and the radiators heat... [Read more]

Potterton Puma e80?

I moved into a property in Warwickshire that has a 12-15 years old Potterton Puma e80. We have two showers, on... [Read more]

Vaillant GB2 EH - Got DHW but no CH and its freezin!?

Hi Guys - am in desperate need for tips on how to fix our Vaillant VCW-GB-282 EH Combi. Installed about Apr 19... [Read more]

how can I fix a cold radiator?

How can I fix a radiator upstairs that won't heat up? I've checked for trapped air but none. The thermostat... [Read more]

Potterton CH System will not work!?

I have Potterton Suprima Boiler which is heating water only. The CH system is intermittent and only occasional... [Read more]

Boiler pressure issue (Worcester Greenstar Junior Cond Combi)?

Last night, I noticed 2 of my upstairs CH radiators were cool at the top, so I decided to 'bleed' air from the... [Read more]

can a combi boiler run hot water when the CH system is empty?

I have a glow worm 30ci combi boiler. A radiator pipe has sheared off (oops) right next to the wall it comes ... [Read more]

Sime 100E boiler - intermittent fault?

Boiler is working ok, heats CH system up, cuts out at set temp. comes back on but at least once a day when it ... [Read more]

Baxi Bermuda Back boiler?

After draining down to remove a radiator, and refilling system, CH ok but no hot water,told that there is an a... [Read more]