How to mend ... New Boiler System

Potterton Puma 100e Low Pressure?

I have replaced the safety valve and thermostat on my boiler, when the system pressurises to about 1bar the lo... [Read more]

My Vaillant VCW combi-boiler doesn't provide hot water for bath?

Although all the controls are turned to maximum my Vaillant VCW GB 242 EH combi-boiler doesn't provide hot wat... [Read more]

How can I reset the XM6 optima to cut elelctricity in the house?

How can I reset the XM6 optima to cut elelctricity in the house? I need to cut the electiric power down to rep... [Read more]

Heating, but no hot water!?

Had to change a rad, so drained down compleat system, inadvertantly drained hot water as well!! refilled and b... [Read more]

Ferroli F24B Combi Boiler. Follow on to earlier enquiry?

Hi DC, or whoever else can help me, PLEASE? Following on from Gemma's enquiry, i too have a Ferroli F24B comb... [Read more]

Ravenheat - only get hot water when heating is on?

A friend has a Ravenheat combi boiler. When he turns on the hot water the boiler fires up but he gets no hot ... [Read more]

How can I increase the system pressure on a ferroli Maxima 35c?

How can I increase the system pressure on a ferroli Maxima 35c? The pressure is around 0.6 at the moment and ... [Read more]

Display on GreenstarCDi 35 flashing `SE` ?

The display on my boiler worcester boiler which normallly shows the temperature of the system has started to ... [Read more]

How can I repressurize my Worcester Bosch 350 combi boiler system?

Please can you help me? I have taken off a radeator and put it back on and bled it. But have losed the pressur... [Read more]

Thorn Olympic 38/50b Boiler Fault?

I have a Thorn Olympic 38/50B boiler system that has been installed for over twenty years. GC No 4178920.Ser N... [Read more]

Worcester 24i Screeching/Whistling Constant?

We have a Worcester combi boiler fitted on our central heating system. We have had noises in the past whic... [Read more]

potterton netaheat 16-22 not lighting probs?

I have just replaced all the rad valves in a mates house, drained the system, replaced all the velves and retr... [Read more]

Air trapped in my hot water system?

I have a baxi combi boiler which is not delivering hot water but the heating system is working correctly, ther... [Read more]

combi boiler noisy?

I have a 'Ferroli combi 77.FF boiler 75446' It continually makes a noise from the moment I switch it on, maki... [Read more]

Radiators (banging in pipes)?

We installed a new baxi boiler several years ago (to upgrade from a very old baxi) and ever since, we have had... [Read more]

High central heating water pressure - (Glowworm swiftsure 100)?

Hi folks, any ideas on this one? My central heating water pressure on the combi boiler keps increasing until ... [Read more]

how do i fix my heating system with a ariston microsystem 21 boiler?

i added a towel rad in the toilet on the downstairs circuit, but i cannot seem to get all the rads downstairs ... [Read more]

how can I repair/service Landis-Gyr thermostat?

Landis-Gyr RAZ13/2716A Thermostat is fitted to IDEAL Concord 'C' Series 3 Boiler, requires repair or replaceme... [Read more]

potterton profile wall mounted boiler problems?

recentley serviced& power washed system so ok except for an erratic worrying loud fast drumming sound ending i... [Read more]

How do I stop my Glow-worm Combi-Boiler overflow from emptying the system?

There is something wrong with the overflow mechanism on my boiler. The central heating water pressure shows 0 ... [Read more]