How to mend ... Water Dhw Boiler

back boiler heating water but not rads?

my back boiler in my kitchin trips out after about five mins when trying to heat rads. It does not trip rcd ju... [Read more]

Vaillant VCW GB 242EH combi boiler?

CH flame failure due to low water pressure. re- pressurised but wont ignite. pump , fan & DHW working OK

potterton performer 24kw HEcombi?

Hello ,is there any quallified heating engineers out there who may know wat this fault is. no hot water,the p... [Read more]

Why is my water still to hot?

Previous Q & A :- I have a recently installed worcester 24i (LPG). The tap water gets very hot and after a wh... [Read more]

fixing a fault on baxi combi boiler?

my baxi combi instant 105e boiler stopped working. fault on pump or low system pressure indicator is flashing... [Read more]

Water dripping from hole under DHW flow switch on Alpha boiler?

I have a Alpha CB28 Combi Boiler that has a constant drip of water from a hole that is located in the pipe dir... [Read more]

Filling loop on Isar HE30 boiler?

The pressure has fallen on my boiler to around 0.5- as yet no problems with hot water or heating but would lik... [Read more]

Ariston Genus loss of pressure?

Boiler is losing pressure & faults out daily. I have recharged the expansion vessel for CH which seems ok. I... [Read more]

Worcester bosch 24i not going ON automatically?

Hello, I want to share how i fixed my boiler - worcester 24i. Issue: the boiler would not go on when... [Read more]

COMBIcompact wall mounted boiler problem?

Hopefully somebody out there can help me, my combi boiler is heating hot water for approx two minutes then the... [Read more]

Vokera boiler works in heating mode but not Hot water only mode?

I have a problem with my boiler it is a Vokera 20-80 RS flowmatic. The flowswitch tries to move but does not o... [Read more]

Baxi Combi 80Eco no DHW?

Hello, I have recently bought a house with a relitively new central heating system. The boiler is a Baxi Co... [Read more]

sime super 90 water??

Hi I have a sime super 90 combi boiler that has heating but no hot water, could someone help??? I have change... [Read more]

Why does my Aplha 280E Boiler fail to light now & again?

My Alpha 280E boiler has the following problem -9 times out of 10 it is OK. Sometimes, you switch on the combi... [Read more]

Heatline Vizo 24 DHW OK CH Intermittent?

Hi, I have a Heatline Vizo 24 boiler. The hot water is working fine but the central heating is very intermitte... [Read more]

ravenheat ls 80t white star?

can anybody help out there my ch has stopped working recently after a few suggestions from yourselves ive twid... [Read more]

Hot water cutting out after 20 - 30 secs, but coming back on 20 secs after?

We have a Baxi Combi 80e boiler which fires up okay, but after about 20-30 secs the hot water goes cold. This... [Read more]

vaillant vcw gb 242 eh boiler?

Can you please advise fault on dhw when hot water tap is opened boiler ignites runs for 10 secs then cuts out ... [Read more]

worcester bosch 24i intermittent ignition?

Hi, My WB24i has an intermittent ignition fault developed over the last few weeks. the DHW demand seems ... [Read more]

you may need to do drawings before you answer this one ?

This one will put you to the test…….. I have came across an situation in a pub/restaurant where I have a ... [Read more]