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We have 1013 questions about mending 'hot water heating system'

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Mend Heating, Home Heating Systems

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]
Mend Heating, Home Heating Systems

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]
Mend Heating, Home Heating Systems

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]
Mend Heating, Home Heating Systems

gas central heating system?

the temperature of the hot water is all of a sudden too high and the water pipes either side of the drayton 67... [Read more]
Mend D.I.Y, Plumbing

Why is expansion tank overflowing?

For a number of weeks now my F& E tank has been overflowing with hot water after the central heating/ hot wate... [Read more]
Mend Heating, Oil Filled Radiators

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]
Mend Heating, Home Heating Systems

Baxi combi boiler?

No hot water through system, even though central heating is working
Mend Heating, Home Heating Systems

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]
Mend Heating, Oil Filled Radiators

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]
Mend Heating, Home Heating Systems

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]
Mend Heating, Home Heating Systems

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]
Mend Heating, Home Heating Systems

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]
Mend Heating, Home Heating Systems

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]
Mend Heating, Home Heating Systems

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]
Mend Heating, Home Heating Systems

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]
Mend Heating, Home Heating Systems

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]
Mend Heating, Home Heating Systems

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]
Mend Heating, Home Heating Systems

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]
Mend Heating, Home Heating Systems

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]
Mend Heating, Home Heating Systems

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]

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