How to mend ... New Boiler System

Replace bath tap inner valve, combi boiler? Worcester heatslave 12/14?

Hi, I want to replace a loose tap inner valve, Can I turn off main water supply to house with a combi boiler? ... [Read more]

Ref Maxol 402 boiler switch off?

Just moved in and the Maxol 402 boiler keeps cutting out after removing rads for painting. Have bled the syste... [Read more]

baxi combi 80eco?

Hi I have a baxi combi 80 eco boiler. The system preasure was too high on examination but has now been bled an... [Read more]

Expansion tank hot?

Greenstar Ri boiler open vented system. When boiler switched on constant flow of hot water to expansion tank... [Read more]

How can I fix my pressure loss?

I have a Vaillant Eco Boiler which works very satisfactorily - EXCEPT the pressure needs topping up very often... [Read more]

How do I raise water pressure on my Greenstar 25si/ 30si?

I have a Greenstar 25si/ 30si combi boiler. About an hour ago it made an unpleasant noise and I turned it off ... [Read more]

overfilled Worcester 24CDI combi?

Ive overfilled my boiler and now the bar is showing just under 3. How do you remove water from the system. I... [Read more]

how to fix combi boiler problem?

Ravenheat CSI 85 780 series combi boiler fitted 3 months ago, hot water fine but when central heating is on ca... [Read more]

How can I fix my Vaillant Turbomax Plus combi boiler?

Have recently drained and refilled system. Turned boiler on and after an hour or so pressure was around 2 bar,... [Read more]

valiant echomax pressure relief valve ?? help ?

i have a little red knob under my boiler i am sure this is the prv??? it seems to be loose i have no pressure ... [Read more]

air trapped in worcester bosch 40 cdi ?

My worcester Bosch 40 CDI goes down nearly every time I manually switch it to radiator mode. It may run fine ... [Read more]

Boiler has intermittent fault with firing up?

Have baxi solo 3 pfl 40 gas boiler. It powers up fine inthe morning but after a while it goes off. Boiler ligh... [Read more]

BOiler: glow.worm 18HXI ?

I flushed the system radiator by radiator till the water became clear but the boiler keeps cuttting out at 60 ... [Read more]

Potterton Netaheat boiler and heating system?

My heating won't come on unless the hot water is on and heating up. Once the water has reached it's temperatu... [Read more]

Central Heating system?

Update on my question of pump operating when not calling for heat. The pump makes a noise while doing this but... [Read more]

Flexicom 30sx - boiler error?

When there is demand the Glowworm Flexicom 30sx cycles through burner on, then state codes 98 and then 97 befo... [Read more]

pressure gauge on combi boiler?

I have a Ravenheat RSF 820/20T fanned combi the pressure gauge on it shows an increase in pressure above the i... [Read more]

How can I fix my Valliant ecotech 824?

After refiling system switch the boiler on and nothing is happening, everything dead.

siemens RWB9 Programmer Fault?

i have a fully pumped system with zone valves , one for heating and one for hot water, my problem is that when... [Read more]

baxi bahama 100 poss air in system?

have just replaced the flow switches again and boiler seems to work okay, but when one of cold taps on sinks a... [Read more]