Mend > Home Heating Systems

How to connect fixed wiring to siemens rwb7?

Diagramme to show external wire connections to connect fixed wiring to siemens rwb7, should pump be connected ... [Read more]

I have the 3amp fuse blowing any reason why?

The potterton system I have has been fine yet over last few days it has blown the fuse twice. Any ideas as to... [Read more]

Worcester Heatslave 15/19 oil fired boiler problem?

When only hot water is turned on, radiators come on, sometimes not all of them and not always the same ones. T... [Read more]

VAILLANT ECO MAX 824/2E Turns on when not in use?

My VAILLANT ECO MAX 824/2E heats up for a few seconds now and again when I am not running any water, wasting ... [Read more]

Where can I get a gas valve from for an early 70's version of the Glow Worm?

Seems the Gas Valve on my very old Glow Worm 50 is not working? I'm finding it hard to track down a replacemen... [Read more]

Problem with Ferolli Modena 102 Combi Boiler?

Hi, I've got a Ferolli Modena 102 which has got water constantly coming from the overflow pipe. The pressur... [Read more]

halstead ace he 30 error 3?

my halstead everynow and then locks out and shows error code 3. could it possibly be the incoming house suppl... [Read more]

bosch worcester 20/25 hot water stop cock?

hi all. got a leaky tap in an old house, nothing unusual there, unfortunatly a couple of problems arose on the... [Read more]

loosing pressure?

my valliant boiler is loosing pressure have to top up every 10 days or so. plumber said its the expansion tank... [Read more]

emi thorn medway multipoint boiler?

boiler fires up but only delivers luke warm water what is the cause ?

NO HEATING?

MY GLOW WARMBOILER IS WORKING FOR HOT WATER BUT NOT HEATING HOW CAN I FIX IT

My Puma 80e is often locking out and won't reset for hours at a time?

This seems to be more of a problem in very bad wet and windy weather. I also have one radiator which hasn't... [Read more]

Why does the water heater overheat?

My partner has a Maxistore 7 water heater, and on several occasions now the hot water tank has over heated to ... [Read more]

where is the loop on old baxi solo?

where is the loop on old baxi solo so i can drain the systerm 2 add rad

Why is my boiler howling?

My boiler seems to howl when it is on. It used to be just when the heating and hot water was on but now it see... [Read more]

Ferroli Optima 700?

I have a ferroli optima and it leaks at the back, when the central heating is on. I have to keep filling it u... [Read more]

i have no heating or hot water on my worcester 35cdi boiler?

code on boiler panel is u9

Ferrpli F30 over pressure?

My Ferroli F30 works well except when the heating is on the pressure in the system goes over 3.5 bar and the P... [Read more]

randall 102 problem?

i have a ideal classic boiler with a randall 102 mini programmer attached. the randall will work perfectly wit... [Read more]

vokera xl80sp ?

wire has fell off the ignitor small spade connector nothing obvious spare can anyone point me... [Read more]