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Mend Heating, Home Heating Systems

Heating not coming on - Worcester Greenstar 37cdi?

I have a Worcester Greenstar 37cdi and currently the heating is not being triggered by the Digistat RF3. We ha... [Read more]
Mend D.I.Y, Plumbing

Urgent Help Needed For Heating Issue?

Hi All, I have a modena 80e model boiler and have just attempted to fire up my central heating. The issue ... [Read more]
Mend Heating, Home Heating Systems

ferroli f24b condensing boiler wont run more than 20 seconds?

when i use the reset button it runs for 2o seconds on the water or heating water is 1 bar gas pressure is ok.t... [Read more]
Mend Heating, Home Heating Systems

How can i fix glow worm 30 cxi combi boiler ?

Can you please advise me. I have f5 in red flashing on boiler. heating was fine earlier, then turned on hot wa... [Read more]
Mend D.I.Y, General D.I.Y

i can't pressurise my boiler?

i have followed the instructions on how to pressurise my vokera linea boiler but when i open the inlet valve n... [Read more]
Mend Heating, Home Heating Systems

worcester bosch boiler - pressure problems?

COLD- pressure is less than 1. demanding hot water trips the boiler. I turn the central heating on and the... [Read more]
Mend Heating, Home Heating Systems

worcester 2.8i junior fault?

After the heating has been on for 10 minutes pressure goes to 2.5 bar and starts flashing?
Mend Heating, Home Heating Systems

How can I fix my Potterton Performa 28i?

In heating mode pressure builds up quicly to3 bar then pressure relief operates , when boiler cools water has ... [Read more]
Mend Heating, Home Heating Systems

vaillant ecomax 824e flashing e20,e13,f20. How to fix it?

Thing is, that my boiler (which is vaillant ecomax824e) use to go through these codes e20 and then f 20, or e1... [Read more]
Mend Heating, Home Heating Systems

GlowWorm Ultracom 30cxi boiler high pressure ?

I have a GlowWorm Ultracom 30cxi boiler, fitted 2 years ago. Recently had a problem whereby the pressure bar ... [Read more]
Mend Heating, Home Heating Systems

how can i fix my combi 80?

combi 80 set pressure gauge to 1 bar start central heating system pressure gauge rises to 3 bars then i ha... [Read more]
Mend Heating, Home Heating Systems

potterton flowsure plus?

hot water and central heating work however my problem is this: couple of weeks ago boiler seemed to 'cycle' a... [Read more]
Mend Heating, Home Heating Systems

Valillant Boiler VCW GB 242E ?

Keeps loosing pressure when pressurised to1.5 bar ,hot water work fine,but heating side. I have replaced new p... [Read more]
Mend Heating, Home Heating Systems

Boiler expansion pipe blowing back?

Hi! I have a two-storey house, the boiler was originally on the ground floor. Seven years ago the boiler was r... [Read more]
Mend Heating, Home Heating Systems

How do I increase the pressure on my boiler?

I have a Baxi Combi 105 HE Boiler. I have recently noticed the pressure gauge dropping to around 0.5 bar or ... [Read more]
Mend Heating, Oil Filled Radiators

glowworm betacom boiler, pressure too high?

i have a glowworm betacom 30c boiler and the pressure is too high. it went too low and i filler it via the fil... [Read more]
Mend Heating, Home Heating Systems

Hot water temperature varies?

Our heating and hot water system uses a Glowworm Ultracom 30cxi boiler. After servicing (2 weeks) ago the hot ... [Read more]
Mend Heating, Home Heating Systems

Ravenheat CSI 85 A(T)?

When heating comes on water pressure switch goes over 4 bar then starts dropping as quick as it went up any ex... [Read more]
Mend Heating, Home Heating Systems

combi is emptying water out of overflow when topped up?

having problems with ideal combi boiler. the pressure gauge is almost on zero so i have to top it up for the b... [Read more]
Mend Heating, Home Heating Systems

Ariston microgenus 23 mffi boiler turing itself on?

Have a problem with the above boiler. Over the past few days have noticed that the boiler turns itself on all... [Read more]

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