Mend > Home Heating Systems

1

no power on fan?

Vaillant Turbomax VUW 242E fault no power on fan

2

oveflow?

after 15 minutes when i turn the boiler on the boiler has got overflow whats rong with that?

What is the operational relationship between boiler and thermostat?

I have a Worcester 28CDi combi boiler with a Honeywell T40 thermostat. I wanted to change the thermostat to a ... [Read more]

1

replace programmer?

can you tell me what other programmer i can replace for my lifestyle ls 112

1

ferroli 701?

I have just had a new gas valve and fan on my ferroli 701. The boiler now works but after it has been on for ... [Read more]

Loud hammering noise from Boiler?

Worcester 28i RSF Boiler - The boiler works fine with the exception of a loud hammering sound which goes on an... [Read more]

worcester 28i RSF combi boiler?

My boiler 28iRSF combi boiler makes intermitent banging noises about 15 minutes after start up. The banging no... [Read more]

4

Airlock in Potterton neataheat 10-16?

I recently drained the whole system and the boiler only comes on for about a minute, overheat and cuts out. I ... [Read more]

2

does a trv require maintenance if so how often?

does a trv require maintenance if so how often

2

Problem with combi boiler?

My boiler does not re-ignite when the temperature drops. I have to reset the timer to get it to come on again.... [Read more]

My Ariston combi boiler is misbehaving!?

The boiler sounds like it is going to fire up but doesn't. I never know whether it will work or not. Having ... [Read more]

4

RAVENHEAT ls100t - warm water only, heating ok?

Hello, I'm hoping someone may be able to help. My combi boiler was fitted around 6 years ago, and after two ... [Read more]

1

Potterton Combi 80?

Heating & Water now not working - lock out light comes on - turn off & reset water works not heating any sugge... [Read more]

1

why does my ferroli domicompact f30 only work in test mode?

In normal mode I keep getting F37 fault message ( low system pressure) although bar pressure is showing 2 bars... [Read more]

User Manual for Landis & Gyr RWB-XP?

Hi, We've just moved house and found the boiler is programmed using a LANDIS & GYR RWB-XP. However we do n... [Read more]

1

Bosch Worcester 25si boiler pre 2003 model?

My system seems to have developed a fault in that despite all hot water taps being off the hot water demand li... [Read more]

Worcester 240. Flood Damage, Sequence of operation?

I am trying to fix my daughters Boiler. There was a flood and the boiler stopped working. I have dried out the... [Read more]

Try this one! Ferroli Optimax 25ov?

Boiler will not start after programmed off for 6hrs plus in cold weather. Once boiler has fired after resettin... [Read more]

we have lost the signal between the Digistat RF2 wireless System?

we have lost the instrutions on how to get the signal between the RF2 unit and the boiler back. the flame on t... [Read more]

1

Baxi Boiler problem?

Hi I have a Baxi Solo 3 PFL 30/80 Boiler, last night I noticed a clicking noise from the boiler in the kitchen... [Read more]