How to mend ... Flow Set Boiler

How can I fix Remeha Avanta Plus 28c over heating?

Boiler is showing no error codes is set at factory setting of 75c but is over heating getting to 95+before sh... [Read more]

heat water up in boiler keep flowing into radiators?

potterton suprima. put central heating on to heat up water in tank but in less than half an hour hot water s... [Read more]

How can I get rid of trapped air in central heating system?

After replacing the small rubber seal on the shaft of the hydraulic actuator in my BIASI 24S Combi boiler, the... [Read more]

Permanent F5 fault?

I have a Glowworm 18hxi boiler with a Systemate 2000 Gledhill system. Boiler keeps failing with F5 fault. Ha... [Read more]

Potterton heatmax combiboiler DHW problem?

At any flow rate the boiler only delivers water at 36deg C. Control on boiler indicates 60 degC and DHW set te... [Read more]

Ideal Combi Logic boiler "L3" fault. ?

Whenever the temperature knob is turned up higher than half way, the boiler shuts down, flashing L and 3. Have... [Read more]

Pump is sorted.How do i clean dhw heat exchanger Vaillant part no: 065053?

Pump is sorted by now. I have back hot water and central heating. But some problems with hot water persists. ... [Read more]

how can i fix my hot water, baxi 105e combi boiler?

i recently fitted a new set of mixer taps with shower head attachment to my bath, but when i turn the hot tap ... [Read more]

Heating/Hot Water Problems with Ravenheat RSF100ET?

Hi Original problem was not very hot DHW, but burner running flat out. Changed both DHW and CH thermistors, ... [Read more]

My Baxi solo 3 PFL boiler will not fire up when on central heating only ?

My Baxi solo 3 will not fire up when set to central heating only. Will fire up when set to hot water only and ... [Read more]

Buderus G115WS3 w/RIELLO F40-3 ... can't lower CO2?

I just installed a G115WS3 with a Riello F40 burner. When I first commissioned the boiler the Riello would not... [Read more]

Express 100 combi boiler does not fire up?

My Glow worm Express 100 combi boiler is nearly 20 years old. I have a problem where the main burner does not ... [Read more]

Unica HE boiler - hot water temp?

the hot water flow through the boiler is only warm to hot. The green led shows 31 - 36 when the bath is run et... [Read more]

how can i fix my worcester bosch 24i rsf boiler?

in need of some help with my boiler please, i cant get ch to work unless i turn the hot tap on to let the boil... [Read more]

How can I fix my Vaillant VC GB 242 EH boiler?

The gas pressure reduces just before the system reaches the set flow temperature with the result that the temp... [Read more]

my mega flow shuts off my heating when should be on?

had a loft conversion,plumber installed mega flow but said boiler was fine.when the water gets to set temp,the... [Read more]

MY GLOW WORM SWIFT FLOW 80 SEEMS TO WORK WHEN IT WANTS TO?

MY BOILER SOMETIMES COMES ON AT THE SET TIME AND SOMETIMES DOESN'T? THE SAME WITH THE HOT TAP IF THE CENTRAL H... [Read more]

GLOW WORM ULTRACOM 30 HXI (F5 - OVERHEAT RE-SET?)?

THIS IS A 2008 MODEL. I have had air in the system & the boiler now displays F5 & will not start. I believe ... [Read more]

Would you please send me the booklet for timer Seimens RCR10/433 or tell me?

Would you please send me the instruction booklet for the Seimens RCR10/433 Timer clock which was missing from ... [Read more]

How do I adjust the timer?

I have moved into a rented house with a Worcester High Flow 400 Electronic boiler. The heating is set to come ... [Read more]