How to mend ... Help Central Heating Please

High pressure on my Optima Ferolli 901 central heating?

Hi, I have a Ferroli optima 901 . I had problms with the DHW and foolishly adjusted this on the mod gas valve... [Read more]

hoe to wire in a Randall hs a3 motorised valve?

can any one supply me with a wiring diagram for the above valve please as i can only have either hot water or ... [Read more]

Hi, Why is my overflow pipe leaking?

I live in a flat and the external overflow pipe is leaking. We have no central heating. We have checked the to... [Read more]

ss pipe?

Can I use Stainless steel pipe as sold by Focus DIY to connect to a chrome heated towel rail to connect to a 2... [Read more]

How can I fix my Modena 102?

Domestic hot water is OK but when all hot water taps are closed - CHW standby flashes as normal but after 2min... [Read more]

Shower hot water fluctuates?

Our boiler will heat the hot water up really hot then switch itself off for a bit then click back into action.... [Read more]

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]

no central heating but got hot water?

got central heating but i have no central heating

Central heating not working at all?

Boiler is working, hot water in the taps, pump is working on the boiler, thermostats and timer working okay, t... [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]

Manual for a Ariston Genus 27 mffi?

Where can we get a Manual for an Ariston Genus Central Heating Boiler, we have it in stalled in a house we hav... [Read more]

no hot water protherm 80?

protherm 80 boiler intermittent fault on hot water, sometimes fires up fine and sometimes doesn't fire up wh... [Read more]

How can i fix the problem of no hot water?

my central heating is working but i cannot get hot water on my vaillant combination boiler

How can I stop one of my radiators tapping when the central heating comes o?

One of our radiators makes a tapping sound when the central heating first comes on in the morning. What could ... [Read more]

hot water for sink/shower temp fluctuates?

I have a Vokera excell 80 SP ---10 years old recently serviced(new diaphragm etc) central heating appears ok i... [Read more]

How do I flush sediment out of my central heating system?

I have a central heating system with 11 radiators. Sediment in the system is reducing efficiency and I have be... [Read more]

Noisy central heating?

I have recently had a new combi boiler fitted, since then when the heating is on I get a loud banging noise fr... [Read more]

wireless system for central heating?

i have a combi boiler (worcester 24i junior) witha british gas wireless system (WR1) for our central heating. ... [Read more]

Bolier does not heat up hot water?

I visited my parents over the weekend and noticed that there was a loud grinding type noise coming from their ... [Read more]

Sime super 90. No hot water. Won't fire up?

hi, The central heating (radiators) is fine although, for quite a while now the switch clicks on and off a f... [Read more]