How to mend ... Heating Water System

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]

water not heating up from the central heating system?

we have an oil worcester danesmoor central heating system. The heating is working fine but the hot water is no... [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]

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]

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]

Curing a seeping Sunvic Thermostatic Radiator Valve?

I have recently discovered that one of my TRV's appears to be seeping from the centre spindle when the central... [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]

HOW TO MEND RAVENHEAT RSF820/20T FANNED COMBI?

WHILST THE HEATING SYSTEM WAS ON IT WAS LOOSING PRESSURE BELOW 1 BAR, THERE WAS A BUBBLING NOISE HEARD AND TH... [Read more]

Jaguar 28 Boiler?

I have a problem with the central heating on my boiler - Jaguar 28. The hot water runs fine but nothing happen... [Read more]

EUROCOMBI SX 20 MFFICE with sealed combustion chamber type c?

Hi, anyone out there help and advice very much apprecited. tried 2 companies now and wont cover on heating c... [Read more]

Potterton Netaheat boiler?

I have a potterton netaheat boiler and when I moved into the house there was a timer switch fitted which separ... [Read more]