How to mend Hot Water Boiler Dhw

1

diverter valve not operating?

Hi I am having a problem with my potterton performa 28i boiler. Central heating works fine. Dhw giving cold ... [Read more]

3

Intermittent hot water on Baxi 105e?

Hi,my boiler has developed a fault on DHW supply,when asked for hot water, system fires up runs for 30 seconds... [Read more]

halstead ace high boiler problem?

after my son has spent 20mins or so in the shower,shortly after there is a hissing sound, and hot water comes ... [Read more]

Ravenheat CSI 120 can't control water temperature?

I noticed this morning that the radiators and DHW seemed VERY hot. When I went to adjust the temperatures usin... [Read more]

2

Hot water issue?

Halstead ace boiler c/h ok hot water intermitant. Changed diverter diaphram and dhw thermistor still issues. C... [Read more]

1

How can i fix my Ariston A23 Mffi E Combi boiler NO DHW URGENT?

No Dhw, runs cold after a few minutes when demanded either alone or with CH demand, the burner continues to ru... [Read more]

Ferroli 38 HC/Heat Exchanger?

DHW Run's hot and then goes cold? I have a Ferroli Opimax HE 38C 4 years old, When I turn ON DHW run's hot a... [Read more]

RSF 82-ET intermittent heating and hot water?

My ravenheat RSF 82-ET boiler has had intermittent problems providing DHW and CH in the last few days, it is n... [Read more]

1

Ferroli Boiler, dhw hot then cold?

get hot water for about 2 to 3 minutes then the same time for cold water, then back to hot. Any ideas.

1

Domestic Hot Water has a low flow rate on Vaillant AquaPLUS?

We've had our AquaPLUS combi boiler with 15l Power Store since 2005. However today the Domestic Hot Water (DHW... [Read more]

Ferroli Boiler HE 38C/Heat exchanger?

DHW Run's hot and then goes cold? I have a Ferroli Opimax HE 38C 4 years old, When I turn ON DHW run's hot a... [Read more]

2

DHW Run's hot and then goes cold?

I have a Ferroli Opimax HE 38C 4 years old, When I turn ON DHW run's hot and then goes cold A03 come up, sen... [Read more]

Halstead Ace 30 - No DHW - CH on using DHW taps?

4 year old Halstead Ace 30. When turning the hot water taps on, 'H' shows on the display, swiftly followed by... [Read more]

Boiler set for DHW only,but CH also comes on Ferroli optima 1001?

The boiler is set for DHW only, recently even when hot water is not on demand , boiler switches itself on for ... [Read more]

1

no hot water?

my sime super 90 boiler recently had a new fan fitted which repaired the boiler problem , but now my hot water... [Read more]

2

My boiler kicks in when hot water and heating set to off position?

My boiler ignites every half hour for roughly 30 seconds and then goes off, even when DHW and DTG are set to o... [Read more]

1

tap water luke warm?

my ravenheat boiler isnt working proper central heating is fine but shower and kitchen tap water doesnt get ho... [Read more]

alpha cb24/28?

Hi, Have the same problem as MEL JOHN (APRIL 2011). CH ok and DHW but when DHW ON ONLY-NO HOT WATER. I read o... [Read more]

1

Alpha Boiler CB24/28?

Central heating works but no domestic hot water, have changed DHW SENSOR, with no effect, whats the next ste... [Read more]

1

Lock out problem with vaillant turbomax plus?

My turbomax plus 828e locks out under the following circumstances.1 If I draw hot water when the boiler is co... [Read more]