How to mend ... Pump Correct Boiler

EXPANSION VESSEL PROBLEMS ... Help !!!?

1. when I attach a pump to put air into the vessel, having got it to the correct 1 bar pressure on the pump, t... [Read more]

How can I fix my Worcester Bosch central heating system?

The circulation pump short circuited and blew the boiled supply fuse. I replaced the pump but now the pump ru... [Read more]

radiators not working upstairs?

we have 3 radiators upstairs and 3 down, the upstairs ones do not get hot, or even warm for that matter. we ha... [Read more]

Heating system not working correctly?

My central heating system is causing me problems. The boiler fires OK, but I can only get hot water. The centr... [Read more]

Why does my Biasi combi boiler central heating pump run constantly?

I am not sure if this is normal or not, but mr combi boiler's pump runs constantly when on. It turns on and of... [Read more]

Boiler cycling - 10 seconds on 10 seconds off?

Myson apollo 30si, CH only, boiler thermostat on low, no room stat, radiator stat's on 4 radiators - 2 without... [Read more]

VAILLANT BOILER (COMBI) F. 1 FAULT, INTERMITTANT HOT WATER?

Hi, we have a Vaillant Combi boiler, about 7 year or so old, it keeps coming up with the fault F. 1 this means... [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]

Glowworm Ultimate 40FF?

DHW working fine and all neons come on in correct sequence. For CH, Neons 1&2 keep flashing, fan runs for abo... [Read more]

Micron 40ff heating up then cooling right down before starting up again. ?

Please help I have a Micron 40ff with radiators with TRV's & a room stat, I replaced the old style PCB about 3... [Read more]

SIME central heating system anti-freeze - how much?

I have a SIME friendly Format 80E boiler fitted in my static caravan. The CH system water was tested recently ... [Read more]

Potterton Suprima Fault Finding Guide?

I have a Potterton Suprima 80L. When going through the initial conditions check (fault finding guide) I get t... [Read more]

Glowworm Ultimate 40FF water Pump is constantly running?

Ever since we put the heating back on timed for the up coming colder months (About 7 weekes ago), the external... [Read more]

best way to bleed radiators?.boiler and pump on or off?

is it correct to bleed radiators with the boiler and pump on or off?

Ariston Eurocombi pump ?

Hi, I am looking for a replacement pump for Eurocombi boiler unsure if a A/23 or an a/27 but enderstand pump i... [Read more]

Oil fired central heating boiler?

I recently part serviced a boiler which had not been seen to for 6 years. I cleaned the pre filter, pump filte... [Read more]

setting up pump pressure?

I have recently carried out a service on a riello 40 G3B due to excess sooting , I know the nozzle is correct... [Read more]

what is problem with my, Worcester 28i junior boiler?

the pressure dropped and the reset lamp was flashing. Toppd up pressure withloop to 1.5~ 2 bar and reset. boil... [Read more]

How can I repair the pump Ariston Eurocombi?

My eurocombi boiler has five temperature lights lit when I start my boiler. I have no hot water nor heating. I... [Read more]

ferroli modena 80 e blowing fuses and no power to fan?

Hello Garry, This is just a friendly email as I have looked at your replies at this url http://www.howtomen... [Read more]