How to mend Intermittent Hot Water

how can i fix my baxi combi 80 eco?

My Boiler keeps firing on hot water when no hot water is been drawen. The hot water DHW Pressure Differential... [Read more]

Bosch 532i Hot Water overheating?

Fault seems to be intermittent. Had local engineer in who fitted a new high temperature sensor last week. Ev... [Read more]

3

intermittent problem with central heating valve not opening?

We have a Drayton wireless for our central heating, and a Drayton ZA5679-2 2 Port motorised valve also for hea... [Read more]

1

worcester 24i rsf. intermittent pump and unreliable burner firing?

problem with boiler - when i demand hot water, the pump will work but sometimes burner will not fire up, somet... [Read more]

would the low pressure affect heating of hot water for taps?

low pressure showing on boiler and intermittent hot water supply

1

Vokera Linea 24?

Boiler fires up then cuts out. heating is on but hot water is intermittent, usually when I run a tap the boile... [Read more]

Baxi Bahama 100,efd ignition board?

I have a Baxi Bahama 100 with intermittent hot water,found a burnt out resistor on the EFD Ignition board(2406... [Read more]

2

Synchronous Motors - Hot Water No CH Poterton Neataheat Profile 30e - 80e?

Hi, Further to my recent (and ongoing since Oct/Nov 2009!!) Answer/Post/update - under title; 'Hot Water Bu... [Read more]

Halstead Ace Circa 2001 - Not Heating?

Problem – Intermittent fault or faults causing the boiler to cease heating water and or Central Heating. Oc... [Read more]

1

Potterton Performa 30 HE Central Heating Sensor?

Hi all, I'm experiencing some intermittent problems with my Potterton Perform 30 HE. If anyone could advise... [Read more]

4

Grundfos Selectric 15-50 - noisy when on, intermittent banging?

For the last few weeks our pump has been getting noisy, now we get loud vibration/banging noises that are some... [Read more]

intermittent hot water - Valliant Combi?

Hi, I have a Valliant Combi (about 10yrs old, no model number that I can find) that sometimes just doesn't giv... [Read more]

1

Low water pressure and no hot water on a Worcester 28i Junior?

Intermittent problem whereby the water pressure is weak and trickles out of both hot and cold taps, however th... [Read more]

intermittent lighting?

my sime formay c boiler is not working properly the boiler will only light for 2-3 seconds and this is very in... [Read more]

1

worcester 350 combi 10 years old two pumps?

the pilot lights but the flame doesn't spread across the burner to the flame sense electrode this happens on b... [Read more]

intermittent hot water?

i have a ferroli optimax 901 boiler.c/h is fine but hot water usually not working-occasionally does.replaced b... [Read more]

1

Ravenheat boiler with no hot water?

Have a CSI 85..CH is working fine but hot water is non existent. Started out intermittent.. Boiler fires up ... [Read more]

2

brittany combi se 80 hot water fault?

guys, i have the above boiler, and before xmas had a problem where i had no hot water, i called an engineer w... [Read more]

1

Potterton Performa 28 intermittent hot water ?

Hot water cuts out but CH works fine. Sower makes funny noise just before water going cold then again when th... [Read more]

2

My radiators on the first floor do not work until I run some hot water?

We have a problem with our Worcester Bosch “Heatslave 26/32 RS0 GB oil Combi” boiler, which provides hot w... [Read more]