Recent: Will I need to replace my garden tap?

Mend > Home Heating Systems

Mend Ravenheat RSF820/20 Combi Boiler Heat

ravenheat rsf820/20 combi overheating?

the boiler is supplying hot water ok however as soon as the heating is on the heat exchanger boils up & cuts out within thirty seconds.I have replaced the air vent valve and the pump is operating ok but does seem extremely hot with just the hot water selected.Am I looking at a blockage?

Richard
August 2012

Automatic Answer

While you wait for answers, we may have found some information which could help you.

Click here for Combi Boiler Heat

Related Questions ...

Mend heating boiler radiator
1

Problem with the pressure in combi boiler?

My valent combi boiler has problem with the pressure which keeps on falling which causes the radiator not to h... [Read more]
Mend pressure worcester heat
1

Faulty Worscester 35 CDi loosing pressure?

My Worcester 35cdi has had 4 replacement heat exchanger's in less than 10 years the first 2 were within the fi... [Read more]
Mend worcester 28i combi
1

worcester 28i junior combi(no heat/water)?

Reset light flashing 4 times/sec and blue light flashes 1/sec. Think in ignition lockout as no flame.switched ... [Read more]
Mend combi pressure temperature
1

Arriston combi boiler hot water scalding temp light comes on?

high temp light comes on, boiler cuts out, click reset button works fine.. then cuts out few mins later. bar p... [Read more]
Mend boiler heating fault
1

We have a combi logic 24 boiler?

Water will not heat display shows fault of L 2 flashing what can be the problem
Mend combi heating lockout
2

lockout light still on after filling pressure on combi?

I filled my boiler after it went into lockdown after loosing pressure, yet it still wont work. No heat and no ... [Read more]
Mend boiler combi boiler ignition
1

Vaillant boiler won't stay 'on'?

My Vaillant CH boiler 242 EB Combi - LPG fuel from 2x87kg cylinders Refuses to stay on; when the heating is o... [Read more]
Mend boiler overheat shutdown
1

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]
Mend boiler radiators combi
2

how can i fix my boiler?

i have a baxi combi 105 HE which heats water to taps but wont heat the radiators.i have recently changed 2 rad... [Read more]
Mend combi heat exchanger sensors
6

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]
Mend boiler heating Worcester
2

Worcester 240 reset button ?

Could someone please tell me where I can find the over heat reset button on a Worcester 240 combi boiler
Mend combi boiler central heating flow switch
3

Central Heating works but no hot water? Worcester 28i RSF?

Hi I hope someone can help. I have a Worcester 28i RSF Combi boiler that i have a problem with. A few we... [Read more]
Mend boiler heating radiators
1

why could my Swift Flow 75 boiler not work after changing my stop cock?

Swift Flow 75 - 80 Combi Boiler I changed my Stop Cock and now my Swift Flow 75 - 80 Boiler will not work. ... [Read more]
Mend boiler heating combi
1

what could be cause of heating problem?

i have an ariston micro combi 23 mffi boiler the pressure in system keeps dropping to zero , when i refill sys... [Read more]
Mend boiler combi fault
2

How to fix fault with my Sime 30HE boiler keeps cutting out?

The boiler runs ok for a couple of days then wont heat the water. Green light flashes, reset the boiler by swi... [Read more]

How to mend ...

Find out how to mend just about anything howtomendit.com for free repair help, information and advice.
Mend Home Heating Systems ...