How to mend ... Boiler Red Bar

ravenheat boiler problem?

I have a Ravenheat LS 100T combi boiler around 8 years old. Never had a problem with it but the system pressur... [Read more]

How can I fix my Vakera boiler?

I have a Vakers High Efficiency Combi Boiler, compact 29. The lights go through their sequence and stop on the... [Read more]

Baxi combi 80e flashing red on 60c no hot water, no heating?

Pressure was under 1 bar, aded some water to 2.5 bar..still no working. Flashing red on 60C, hot water and ra... [Read more]

Vaillant eco tec 624 s 41 error?

My Vaillant eco tec combi boiler water pressure gauge is constantly in the red when central heating is on. The... [Read more]

Why is the pressure on my Ariston boiler rising to nearly 4 Bar?

Hi Can anyone please advise me on why my Ariston Eurcombi A/27 MFFI pressure is rising from just over 1 Bar... [Read more]

Worcester green star junior 24i?

My husband has just removed a radiator. The bar pressure was running low before he removed it and so he incre... [Read more]

Boiler not working!?

Hi all, Could anyone advise on some basic fault detection methods for boilers? I have a Vokera Compact HE w... [Read more]

My Ariston Combi A boiler keeps losing pressure from Central heating loop?

Heating loop pressure drops to the red line twice a day. Cannot find any leaks from any of radiator and no lea... [Read more]

Saunier Duval F35E auto-vents down to code 21 in minutes?

7 year old boiler, noticed code 21 (radiator circuit pressure low) so she opened the filling loop but left it ... [Read more]

Boiler: Glow-worm 24C- Low water pressure, no heating/hot water ?

I have a Glow-worm 24c boiler, and since last night its not been working. One of the lights is flashing red, t... [Read more]

why ami losing pressure on my green star 28i junior boiler?

system and dhw working ok! check radiators for leaks and all topped up. The system is not dumping water ive ch... [Read more]

Heat Line Vizo not turning?

Hi I turned off my boiler (not electricity) when I went away for last 10 days but now cannot kick start the ... [Read more]

Query boiler not giving heat or hot water?

I have a Saunier Duval F24E:2 and the red and green lights as on constantly. The thermostat is showing at 21 ... [Read more]

I recently repaired a leak on a rad valve, ?

I recently repaired a leak on a rad valve, where some of the system was drained. The system is 0.7 bar cold an... [Read more]

need to repressurise?

have a glow worm 30cxi boiler need to repressurise as red light flashing and bar hsa dropped to 0.4, dont kno ... [Read more]

glow-worm 18sxi non ignition?

Boiler failure Switched off - Waited - switched on - green light. 1.5 bar, temperature shows, boiler fire up... [Read more]

my vaillan ecotech boiler pressure is at the max on the red side?

I have a vaillant ecotech boiler. The pressure was down so I tried to raise it but forgot to switch the pressu... [Read more]

combi boiler 30he?

no heating or hot water bar gauge flicking at bottom in red ticking sound fan working burner not working temp ... [Read more]

how can I fix my Vailant ecoTEC plus 831 boiler?

My eco TEC 831 is unable to maintain the pressure at 2 bars, it is 1 bar over and going into the red zone. Any... [Read more]

My Halstead combi boiler refuses to work any more - help please!!?

Hi, I have a 6yr old Halstead Ace High combi boiler which has never given me any problems until now. About 3 -... [Read more]