How to mend ... Boiler Heating Pump

I have an Ariston Micro Genus 27MFFI ?

The yellow light below the reset button comes on when the central heating or hot tap is required. The boiler d... [Read more]

biasi m90-24s fan not running?

hi my biasi m90-24s can not start. when I turn the heating on the pump running for 15 seconds then cut off as... [Read more]

my baxi bermuda pw4 deluxe / c4w / c4 is not switching on?

my baxi bermuda pw4/c4w/c4 boiler is not switching on following a poewr cut . the pilot light is on and the pu... [Read more]

Heating/Hot Water Problems with Ravenheat RSF100ET?

Hi Original problem was not very hot DHW, but burner running flat out. Changed both DHW and CH thermistors, ... [Read more]

Pump over-run?

My Worcester 19/24CBi boiler keeps overflowing into the header tank via the expansion pipe. Whilst reducing th... [Read more]

VUW GB242E no ignition?

The boiler goes through the lighting sequence on heating and water ,all lights on except burner then lock out ... [Read more]

My Baxi solo 3 PFL boiler will not fire up when on central heating only ?

My Baxi solo 3 will not fire up when set to central heating only. Will fire up when set to hot water only and ... [Read more]

vaillant vc gb 221 h boiler cycling?

My boiler fires up as normal for about 15 seconds then switches off (pilot still on)cuts back in 10-15 mins la... [Read more]

cannot control hot water vaillant ecoTEC plus 624?

We have a three year old ECOtek plus 624 that has been fine until now. We have just installed a new show with ... [Read more]

Pump runs when boiler satisfied?

I recently moved my central heating pump so as to give me heating for my towel rail off the primary circuit. A... [Read more]

Problem with Powermax 155x boiler?

The green burner light has started turning off after 5-10 minutes of the hot water coming on. It won't go bac... [Read more]

centrel heating boiler problem?

when hot water is not in use and ch switch is on minimum the disply panel shows c instead of o and the pump ke... [Read more]

alpha 280e problem?

hello guys . this boiler has started screaming when the heating fires up ,and when hot tap ran . took cover of... [Read more]

Worcester Heatslave 20/25 problem?

Worcester heatslave 20/25 oil combi boiler 8 years old problem as follows, with hot water only selected o... [Read more]

what needs replacing on my boiler?

worcester 24sill has a intermitent fault it can be running on hot water or heating for a time and then cut out... [Read more]

Problem with Worcester boiler pump?

I have a Worcester 28CDI boiler and i recently replaced a faulty pump. However, the new pump seems to operate ... [Read more]

BAXI SOLO PF 40 - knocking/clicking noise?

Hi there hope someone can diagnose my problem! the heating/hot water will come on for around 20-30 mins and... [Read more]

grants 90 v3 combi boiler?

the heating and hot water are not coming through from the boiler. In order to get them coming through i have ... [Read more]

primus heating pump?

can you help i have a sunstar ai award caravan1993 it has aprimus heating and hot water all controls work boi... [Read more]

ferroli optimax 25c?

no hot water turn on tap 3 way valve gos to heating and pump stops boiler gos off 03 fault .put 3 way valve to... [Read more]