How to mend ... Boiler Cold Seconds

vaillent boiler kicks in when cold has been running, is this normal?

after i've run my cold tap on my newly installed vaillent boiler, ecotec 28, the bioler fires up for a few sec... [Read more]

Firebird Reillo - Airlock fixed but no heat coming to rads?

Hi there, My tank ran out of oil and airlocked my system. Got tank filled and have bled the boiler as normal.... [Read more]

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]

How can I fix Ravenheat boiler?

the hot water is not being heated constantly when the tap is open . The boiler starts to heat the water and sw... [Read more]

worcester 350 combi?

central heating ok. hot water demand sometimes ignites boiler for about 30 seconds. then boiler turns off an... [Read more]

Vokera Maxin 28e DHW problems?

Takes quite a while for water to run hot with CH either on or off. Have checked the DHW diaphragm and it is fi... [Read more]

Heatline S30 does not continue yielding hot water in Bathroom ?

My boiler located in the kitchen seems to be working fine for central heating and hot water in the kitchen is ... [Read more]

How can i fix my vokera Linea 28 boiler?

The hot water runs hot for 30 seconds and then goes cold for 15 seconds. The pressure is in between 1 - 1.5 ba... [Read more]

whats wrong with my Worcester Danesmoor 12/14?

got up this morning to find my danesmoor on lockout. Rads were cold so had been off couple of hours i assume. ... [Read more]

Can any body help me to diagnose my Baxi 105e please?

Hello, I have problem with my Baxi 105e. I had replaced diaphragm for DHW and it worked fine but now (after f... [Read more]

Greenstar 24i or 28i no hot water?

We have no hot water. Our condensation pipe was blocked with ice 2 days ago - no error light flashing, just b... [Read more]

Baxi 105e fault- barely any CH, HW little better. Ideas?

Unsure if this is 2 separate problems or just 1. Would love some help. My rads have been almost cold for 1... [Read more]

Ravenheat combi boiler continually firing then shutting down?

My 3 year old Ravenheat CSI 85A combi boiler developed the following fault: Firstly, the domestic hot water w... [Read more]

My Worcester boiler won't start (with EA code), can you help?

My Worcester boiler is flashing EA code. I checked the condensing pipe is not frozen. The ~7cm diameter contai... [Read more]

Saunier Duvall F30E Hot water but no heating?

Hiya. Hot water operates fine however....demand for heat , boiler fires up ok, temp display increases to 77 de... [Read more]

Overheat Thermostat Tripping on Bosch 240 Combi RSF?

Hi, The overheat thermostat keeps tripping on our combi boiler. The pilot will fire, but when central heati... [Read more]

Glow-worm combi boiler?

I have a Glow-worm combi boiler. It has a small drip coming from underneath. It has been leaking for a while ... [Read more]

one cold radaitor?

i have been having a problem with loss of pressure in vokera mynute16e release valve was opening pressure keep... [Read more]

boiler failing to stat alight?

i have a worcester bosch24i and every time it fires up it only stays alight for 6 secinds then goes out and wh... [Read more]

why does the boiler only fire for five seconds?

heat line c28 boiler goes cold after five seconds. Heating works fine though. help me please.