How to mend ... Dhw Hot Water

How do I increase my combi boiler hot water temperature above 60*?

Ferolli Maxima 35C. Good animal, had it for 3 years but it niggles me that the DHW is limited to about 60 deg... [Read more]

how do I fix the leak from the back of the DHW flow valve in my alpha 280E ?

I have a dribble of water coming from the back of the DHW flow valve in my alpha 280E combi boiler. I have tak... [Read more]

female in need sime friendly boiler?

A plumber recently fixed my mix shower and a leaking tap. Since the repair has been done i have no hot water. ... [Read more]

Hot water keeps boiling?

DHW (gravity fed HW pumped CH system; Potterton floor standing (?1200) balanced flue boiler replaced 6 years a... [Read more]

ferroli falcon boiler lockout?

my ferroli falcon intermittently stops supplying both dhw and ch,if i switch the reset then boiler reignites.w... [Read more]

The water from my valient combi is top hot, I have replaced the thermostat?

I have replaced the DHW flow thermostat but the water is still too hot

Why does my boiler go g-g-donk and then lock out?

My Chaffoteaux & Maury Britony combi has an intermittent problem. About a minute after turning hot water off, ... [Read more]

dhw on my ariston eurocombi a/23 mffi gets too hot?

dhw control does not affect temp of water coming out of taps. ie if left to run water reaches max temp before ... [Read more]

alpha boiler HE CB25?

Switch the selector to DHW, open the hot water tap, NO HOT WATER. This started yesterday. Help.

Valiant Turbomax 282 DHW not very hot?

I have had a 282 for 10 years, repaced diverter valve, diaphams, micro switches etc. The DHW supply has never ... [Read more]

Water pressure on a Sime 100e combi-boiler?

... after replacing the diverter valve diaphragm, dhw heat exchanger and cleaning the inline filter I'm still ... [Read more]

Ravenheat rsf820/20t hot water problems?

Hi, When I run hot water the temperature fluctuates from scalding hot to cold. Also frequently cuts out when ... [Read more]

Glowworm 38cxi repressurising question?

We have the above boiler, about 2 1/2 years old. It s sprung a leak in the DHW cast plastic pipe out of the L... [Read more]

very hot water,high pressure and drips.....ahhhh!?

recently moved into house with ferroli modena 80e,serial starts 99. well it is a nightmare. the water in showe... [Read more]

csi85 1 year old?

i have two raventheat csi 85 and both give hot water when ch mode is on , but dont work when in the dhw only ... [Read more]

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]

Worchester Bosch 280 RSF will not supply DHW?

My boiler works OK when used on CH, but will not supply DHW when the boiler is cold, if the boiler has been he... [Read more]

vokera 80 e combi boiler no hot water?

You have told me that the problem could a faulty flow valve. I have just had the dhw microswitch replaced, is... [Read more]

baxi 105e not changing over to central heating?

boiler appears to be stuck on hot water even though central heating his selected and time clock and thermostat... [Read more]

No Hot Water from Worcester 28CDi Combi?

I do not get any hot water when I open the hot water tap. The boiler is Worcester 28CDi Combi. The only way to... [Read more]