How to mend ... Hot Tank Central

diverter valve coming on for no reason?

Our central heating system works fine in that the timer comes on when it should and we have both heating and w... [Read more]

Glowworm 330+ Central Heating boiler question?

1. What should the water expansion tank pressure be? 2. The Red guide hand is on 2bar but the pressure (col... [Read more]

Rayburn Driven Central Heating Problem - Upstairs Cold?

I have a Rayburn Gas CH system with a seperate pump. The cooker / boiler is in the basement kitchen with 3 ra... [Read more]

Heating works but no hot water?

I have an Ideal Icos HE15 Heat Only boiler which is about 2 years old. Last week the hot water stopped work... [Read more]

Hot Water but no Central Heating?

Hi - I have a Glow-worm Hideway. I have a control box/timer which controls both HW and CH. I usually have the ... [Read more]

Hot Water but no CH Potterton Netaheat Profile 30e-80e?

In the last day or so we have noticed that we are getting hot water but no Central Heating (rads are cold etc.... [Read more]

water overheatinh in central heating?

The water in header tank nearly explodes hot after you can hear strange noise probably from the pump. I change... [Read more]

can i add another electr.heat exchanger to my hot water tank?

i've got a 22mm coil in the hot water cylinder, this gets fed from the central heating boiler and a hot tube (... [Read more]

Central Heating Not Firing Up?

My Ravenheat Combi Boiler is not firing up on the CH - the hot water works fine. I have checked the room stat ... [Read more]

No Hot Water At All?

Hi, I am having problems with my hot water - both central heating and hot water from the taps. The water from ... [Read more]

overflow loft tank?

Hi my loft tank keeps filling up, i replace the ball valve and that working fine but it still fills up slowly.... [Read more]

Central heating coming on when heating the water?

Hello, We had an issue with the boiler a while back, it broke down and wasn't heating the water, bloke came... [Read more]

My boiler cuts out after 5 minutes!?

While fixing my floorboars, I screwed through a water pipe. I thought it was a central heating pipe as the wat... [Read more]

potterton profile 80e ?

Central Heating working ok NO HOT WATER IN HOT WATER TANK ??? GRAVITY DOMESTIC HOT WATER/PUMPED CENTRAL HE... [Read more]

central heating?

heating comes on when hot water tank is put on even when heating is turned off

NO HOT WATER?

I have a back boiler which runs central heating ok but gravity fed water doesnt work.The flow pipe to water cy... [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]

Boiler problem further data on earlier question ?

Thank you for your helpful responses. I have made further observations and these are as follows: I have two... [Read more]

no hot water from potterton 80E?

Returned from holiday a month ago and potterton netaheat profile 80E has stopped producing hot water. Central ... [Read more]

Running water sound when boiler is on?

When my central heating is running (including hot water) there is a continual sound of running water coming fr... [Read more]