How to mend ... Combi Pump Hot

How can I repair my Worcester Bosch central heating Combi boiler HF 400?

My Worcester bosch HF400 Combi boiler works with Domestic hot water but when central heating is selected there... [Read more]

No water in hot water tank?

Hi there, I have a problem... lol I'm afraid I'm going to err on the side of giving too much information... [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]

What could the problem be - Worcester Bosch 280 combi?

I have just found that the boiler will supply hot water, but not heat the radiators. System will light the fl... [Read more]

vokera compact combi boiler?

I have a vokera combi boiler and it has low hot water presure, the hot water was at a fair presure when we mov... [Read more]

while running hot water boiler runs hot & cold for the duration tap is on?

tested gas supply 21 mb flow rate 12 ltr removed heat exchanger dhw clear changed both ch &dhw sensors checked... [Read more]

My Baxi 80 ECO Combi boiler will not reset?

Following the manufacturers fault finding manual everything pointed to the PCB being at fault, this has been r... [Read more]

how to fix worcester gas combi boiler 28si ii?

we have hot radiators, slightly cooler at bottom but power shower runs hot and cold. We have changed thermosta... [Read more]

old vaillant?

I have a 13 year old Vaillant combi boiler and the heating works but it's not heating the water, so I have no ... [Read more]

Combi boiler faults?

I have a Wickes Combi Boiler 102. it has started to keep continuously stopping and starting whilst heating the... [Read more]

worcester 240 gas boiler repair?

Only when drawing hot water from the boiler it makes a zipping noise,as advised I replaced the pump overrun th... [Read more]

hoe can i fix my worcester 28i combi boiler?

got hot woter but no hot rads no noz cuming from pump The pressure is good

problem with Sime 105 Super Mk 2?

Hi, I have a problem (again) with my Sime combi boiler. When the burner flame switches off on either heating o... [Read more]

Alpha cb24 boiler no heating but hot water ok?

I have an Alpha CB24 combi boiler. The heating fires up for between 10 seconds and 3 minutes the cuts out keep... [Read more]

Boiler and Hot water not working properly-easy fix?

Hi, My oil-filled heating system isn't working. I have an external Grant combi-boiler, and suddenly, 3 days b... [Read more]

My Baxi 100/2 HE boiler fires up for 20 -30 mins the cuts out on lockout?

My Baxi 100/2 HE boiler fires up for 20 -30 mins then cuts out on lockout. It started intermittently, hot wate... [Read more]

vokera combi boiler hot water but no heating?

when i turn heating on no heating at rads boiler overheats &shuts down pump seems to be working on setting 3 b... [Read more]

How do you fit an external switch to a Grundfos 15/50 pump?

How do you fit an external switch to control the variable speed on a Grundfos central heating pump fitted to a... [Read more]

vokera combi boiler?

my boiler keep loosing pressure after 12 hours end it goes fault but when i feel the system up it works agin ... [Read more]

Worcester 240 - one cold radiator?

Hi, I'd be grateful for your suggestions on the following problem - I's got me stumped! My Worcester 240... [Read more]