How to mend ... Pump Ch Pressure

f9 flashing on combi boiler 30ci glowworm ?

the light flashes red intermittantly. the pressure is ok at 1.2 bar . we have CH . when the water is on it is ... [Read more]

How can I stop my Ravenheat CSI 85B tripping out?

I had a new Ravenheat CSI 85 B T installed today. It worked for the plumbers who installed it - they left and ... [Read more]

Ideal Icos Boiler, Heatrae Sadia CL170, Reliance Pressure gauge?

My CH/HW system consists of the above components plus a room thermostat and control panel beside the boiler. A... [Read more]

why does the DHW work and not the Central Heating Worcester 24i rsf combi ?

the pressure is fine the boiler fires up when you run the hot water but the CH is not working. Have put it on ... [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]

Ideal isar combi stuck in DHW, won't fire?

Hello Does anyone know much about Ideals? Mine is stuck in dhw, it isn't firing (no fan no pump either).... [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]

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]

modena102 ch problem?

i have a modena 102 that heats water perfectly but on ch pressure rises boiler creaks and after 30 seconds ish... [Read more]

Problems with Ravenheat Combi RSF Fanned?

Boiler has no markings on, but have manual that says... Fanned Combi RSF 84E - RSF 100E RSF 84ET - RSF ... [Read more]

No hot water with Worcester 28Si?

We have a Worcester 28Si and are now getting no hot water at all. It started a while ago. The central heating... [Read more]

Ferroli Modena 80e will not light?

Hello I have read your forum for a while because I have a 10 year old Modena that is good but never trouble fr... [Read more]

Baxi Combi 105 HE condenser boiler pump question?

Can any one point me in the right direction with regards to the pump operation after the CH shuts down after b... [Read more]

How do I pump up the expansion unit with air:Sauvier Duval Combitek F23E?

When I use my CH and set the pressure to 1 bar it rises to just above 2.5 bar and nears the red. There is also... [Read more]

Potterton Puma 80e - low pressure switch - boiler not firing?

I have just changed a low preesure switch on a Potterton Puma 80e. When I recconnect the two cables the boiler... [Read more]

Ideal Response 80. Driving me nuts?

My Combi has started acting up. It will NOT hold a steady water pressure. If its not on, or if the hot water i... [Read more]

vaillant 242e?

fan runs, pump runs, pressure switch makes but no ignition, have cleaned tubes and ensured reset button on ch ... [Read more]

vaillant vcw242e no ch?

boiler works fine in dhw mode but will not fire in ch. it will run the pump and fan and pressure switch and di... [Read more]

Fixing a Baxi 105e Combi which reports a fault when cold, works when reset?

Hi - this has baffled me and the heating engineer I've called in to look at it. My Baxi 105e has been reportin... [Read more]