How to mend ... High Boiler Boiler

Boiler fires up for hot water but not heating why?

Boiler fires up for hot water but not heating even though the thermostat is turned up high

Johnson & Starley warm air heating ?

Last Nov 2013 we had the circuit board changed on this warm air system because it was clicking constantly befo... [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]

vokera fault code 71?

code 71 comes up i have changed thermisters to flow and return also flushed secondary heat exchanger boiler wo... [Read more]

Worcester Greenstar Ri started whistling this morning?

Our Worcester Greenstar Ri boiler started making a rather loud high pitched whistling- type noise this morning... [Read more]

how can i fix my f30 boiler ?

have replaced c/htemp sensor ,d/h water sensor,air pressure switch,overheatsafety stat,high limit stat,ignitio... [Read more]

eurocal boiler?

Hi, my 12 year old eurocal oil combi boiler has been troublesome for some time. 1. water pressure goes high ,... [Read more]

my ariston boiler won't ignite?

this may be due to pressure which is to high

Pressure too high on vokera combi boiler and automatically turns off?

Tried bleeding the vokera combi boiler to decrease pressure as it was way beyond the 3 mark but nothing happen... [Read more]

Ferroli Optimax HE31C Error Code NOcn?

I have a Ferroli Optimax HE31C Boiler and it has been working fine for years but all of a sudden it has fault ... [Read more]

appliance overheat?

my combi keeps shutting down after a few minuets the red led comes on, when i reset the boiler the same thing ... [Read more]

boiler cycling?

with no call from the heating/hotwater or under floor heating .The boiler continues to cycle.Is the cause.the ... [Read more]

halstead ace high boiler keeps going to lockout?

my halsted ace high boiler keeps going to lockout so have no hot water or heating. can you help?

water is not heating up instantly like it suppose to with combi boilers?

hi everyone i have an halstead ace high combi boiler, who doen't fire up instantly, when it does the water ha... [Read more]

Halstead ace high will not reset?

Hi, I have just serviced a Halstead ace high 30kw combi for a customer. I closed the gas valve to check the ... [Read more]

High pressure on vokera?

No warning codes and heating and hot water are fine. When the boiler has been fired up for 30 minutes or so, ... [Read more]

Biasi boiler high pressure problem?

I have a Biasi GARDA HE M96.28SM/B2 (combi) that keeps going to high pressure. I have replaced the expansion v... [Read more]

The boiler goes of for no reason but no red light ?

The Halstead ace and Ace high goes of for no reason. no red light . pressure fine just had it serviced

valiant vc/vcw?

Hi i want to no that the boiler flame stays low for long but dosent go high even when on the highest number se... [Read more]

Can anybody advise why Flexicom 35CX goes into state S53 when in DHW mode?

The boiler works fine for central heating and DHW for sink taps and shower, but when bath tap is used the boil... [Read more]