Mend > Home Heating Systems

1

vaillant combi boiler?

there is a red knob underneath the combi boiler to the right what does it do ?

1

Optima 701 Diverter?

Where is the diverter valve, does it have another name. Is it part 43 Air pressure switch ?

2

No Hot Water OPTIMA 701 gas combi boiler?

I get no hot water unless I have the heating on. I have cleaned the water filter, flowmeter and flow restricto... [Read more]

1

boiler ignites intermittantly?

the saunier duval sd623 combi boiler ignites sometimes when tap is turned on, it can fire up several times in ... [Read more]

3

which order do i put my coals back?

i have a kohlangaz k2 gas fire which is about 12 years old and i removed the coals recently while i had the ch... [Read more]

6

Combi Boiler Problems?

When the heating is on the loop pressure rises and causes the boiler to shut down I have bled the system a... [Read more]

9

f28 fault is showing on my vaillant boiler system?

f28 fault is showing on my vaillant boiler system. how do i fix it??

1

water leak from right hand side of boiler as u look at it?

water leak from right hand side of boiler all connections are tight are they prone for seals going??

1

Why is there hot water but no heating?

I have a glowworm micron 40ff boiler,when hot water is selected on programmer the boiler fires up,but before t... [Read more]

1

baxi bermuda?

my son recently purchased a house with a baxi bermuda back boiler fitted,it worked at 1st but now will not re-... [Read more]

1

adjust pressure?

how do i lower the pressure on a valient boiler

13

Glow worm 100e won't fire up now, fan? Are you about Hi-Tech Plumbing?

Hello Hi-Tech Plumbing, or anybody who has a suggestion please. I have just replaced the diaphrams on my GW 1... [Read more]

3

Can anyone supply information on th Potterton EP3000 CH controller?

We have just moved in to a property with a faulty Potterton EP3000 controller. Initially everything worked fin... [Read more]

2

Saunier Duval SD623?

The pressure reads zero and the valve that usually repressurises the system does not work, almost as if it has... [Read more]

4

changing the diaphragm?

trying to change the diaphragm on a BAXi HE 100 plus. Cannot find it. Any help locating it please?

4

hw only works when ch is on?

We have a Potterton EP2000 contoller but that seems ok. I think I've isolated the fault to the diverter valve... [Read more]

1

I get hot water in my radiators when I use hot water from the taps?

Whenever I use Hot water from the taps e.g having a shower or using the washing machine my radiators get very ... [Read more]

10

Low pressure warning light on Glow Worm Compact 100e?

Hello, I had a problem 2 years ago with my Glow worm Compact 100e, which would not switch from heating to hot ... [Read more]

1

Prothern 100e display FI?

Reset boiler but keep on geting F1 we have no service manual and would appreciate if you could send us one

1

pilot light on Glow-worm ultimate?

pilot light not on and dont no how to light it