How to mend ... Boiler Heating System

loss of pressure on baxi boiler?

boiler losses pressure from 3 bars to nil every 5 hours,cannot find any leaks on central heating pipes or radi... [Read more]

Can I run my boiler without the CH pump for Hot Water only operation?

My heating system comprises new(ish) boiler (Potterton Suprima 100), hot water cylinder (with cylinder jacket)... [Read more]

Glow-worm K.F.B... how to fill??

my brothers central heating sounds like a kettle without water when he turns it on, the pump in the upstairs a... [Read more]

Vokera Linea 24 combi boiler pressure dropping?

the boiler is eight years old serviced yearly by the installer had this problem with the pressure dropping for... [Read more]

Small Black bits from hot water system?

I am seeing small , what appear to be plastic bits, in the hot water - eg after running a bath. Its an old ... [Read more]

Low pressure in my boiler?

My central heating system occasionally loses pressure and falls below the required water pressure level and lo... [Read more]

pressure drop/increase baxi 105 e?

any help please. Always had a pressure drop on this boiler. keep topping up . thinking of using a sealer . Are... [Read more]

Oil Boiler Pressure Gauge fluctuating?

I have had a new Worcester Bosch Oil Condensing Combi fitted (Aug 07). The installer set the red gauge at 1.5 ... [Read more]

Baxi combi boiler?

No hot water through system, even though central heating is working

Potterton combi 80 boiler?

I have re pressurised the expansion tank as suggested. There is no water coming from the valve on the unit nor... [Read more]

Why does my heating switch off when water due to come on?

When my hot water is manually started or programmed to start the heating switches off completely. Why? It's no... [Read more]

Just changed 2 rads and boiler fires up but then shuts down?

I have just changed 2 radiators and re pressurised the system to 1 bar - Baxi Bahama 100 Combi Bolier. When I ... [Read more]

Further to Heating, but no hot water!?

With ref to the previous (very prompt answers) It's a pumped system! Can I still bleed as per answer 3 or is... [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]

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]