Mend > Home Heating Systems

what does f1 signify?

no hot water or heating gas is getting through water pressure ok coming up f1 valliant combi 2001

how can i fix my pretherm 100 boiler?

I have replaced both the heat exchangers and the pumpon the advise of a heating engineer because it kept flash... [Read more]

Ideal mini c24. intermittent CH, main green flashes normally?

Hi The Ideal mini C24 boiler is about 4-5 years old. Its been working intermittently for the last couple of y... [Read more]

chaffoteaux mx2 24ff misfiring fault?

hi there can anybody help, i have a chaffoteaux mx2 24ff combi boiler and it is showing fault code which is te... [Read more]

Heating not coming on when on Auto?

i have just had another room stat fitted, this one is an RDJ10/RDJ10RF. Set times and temperature ok as per in... [Read more]

We have a problem with the hot water on our Chaffoteaux MX2 30 FF?

9 times out of 10 when we switch on out hot tap the water goes from cold, to luke warm and back to cold, we th... [Read more]

what's wrong with my boiler?

i have a worcester/bosch 24i junior. when its switched on it makes a trickling sound (like something filling u... [Read more]

Pilot light problem?

Have a Glow-Worm Space-Saver 45-60 B, Boiler. The pilot light has a intermittent tendency to go out. Is this ... [Read more]

my under floor heating is not working?

Mu under floor heating is making a clicking noise. the lever is not moving from cold to hot. Could it be jamme... [Read more]

why do we keep getting lockout on our vokera linea28?

we have green light no error flashing .temp was46 but no heating or hot water? we did reset and it worked but ... [Read more]

how much is a new fan for protherm60 80?

how much will it cost for a new fan for protherm 60 80 boiler

Baxi Combi Boiler?

I have had an engineer out to my central heating system and he has said that their is a blockage in the system... [Read more]

SABRE 28 LTRS PER MINUTE?

HI, I WANT TO FIT A THERMOSTATIC SHOWER BLOCK BUT CANT FIND THE FLOW OUTPUT INFO FOR MY SABRE 28 COMBI BOILER... [Read more]

timre switch wring?

igot mix up with timer swich wring can u help

Worcester 24i No ch?

Boiler fires up when DHW is on demand but when CH alone is requested i can see the rear pilot light then a sma... [Read more]

No water in hot water tank?

Hi there, I have a problem... lol I'm afraid I'm going to err on the side of giving too much information... [Read more]

halstead ace high boiler?

i am a hvac engineer and i have a pressurization problem with my boiler at home, i fill the boiler to 1 bar pr... [Read more]

Thermostat for Vokera Boiler - Excell 80 SP?

I purchased a house which has a Vokera Boiler Excell 80 SP, it has a Summer/Winter switch & Timeclock, but no ... [Read more]

How do I solve my Worcester 28i boiler problem?

Worcester 28i combi boiler fault - The boiler will only fire when the flue is completely removed. I've checke... [Read more]

dripping o/flow pipe?

i have a ravenheat boiler we are fi=orever having to top it up we notice an overflow pipe drips continually w... [Read more]