How to mend ... Best System Pump

red hot water venting off?

I have a myson orion boiler and the vent id from the first floor by the divertor valve. When the system reache... [Read more]

Underground oil tank and Worcester Bosch Boiler intermittent cut-out Why?

We have recently installed an underground Balmoral Bunded oil tank and a Worcester Bosch Utility Condensing Oi... [Read more]

Flashing green LED on Potterton Suprima 50?

Central heating stopped working last night. Tried resetting unsuccessfully. When reset button pressed the pum... [Read more]

how can I set the pump overrun?

My central heating/hot water system. Ariston model dia system 27rff1 serial No: 971009407 with the central he... [Read more]

How do I stop my radiators staying cold at the bottom?

Rayburn 355SFW 2 years old with new radiators. 6 doubles and a Towel rail in the bathroom. Can someone pleas... [Read more]

Why can we only get heating when hot water on also now(Dual programer)?

We recently needed to replace head valve due to pump over run problem.(Boiler is Potterton Profile) On putting... [Read more]

Heating systems?

Hello I have a Potterton Netaheat boiler. In spite of putting in a new pump and desludging the system, the ... [Read more]

Vaillant Turbomax 828 problem?

This is a strage one! I am not sure whether my diverter valve is on the way out or whether something else is c... [Read more]

Baxi Maxflow Combi Fs?

The heating system works only if there is a call placed on the water ie actually running the water. Once this ... [Read more]

Bosch Worcester Highflow 400 no heating no hot water?

We've had an ongoing deries of problems which Brit.Gas are struggling with... 31 Dec: no heating/hot water - ... [Read more]

My upstairs and 2 downstairs radiators are not getting hot. Why?

We have a single pipe CH system with a gas back boiler. The radiator in the kitchen is cold, the hall is lukew... [Read more]

Worcester 28i RSF Combi?

Got same problem can hear the system go on and can hear flow and a humming noise coming from the boiler but no... [Read more]

Pilot light keeps going out with my Potterton Puma 80 boiler?

Hi, We have a Potterton Puma 80 boiler that lives in an outdoor shed attached to our house. Our problem is th... [Read more]

central heating?

I have a Highflow 400BF system. Recently the pressure has dropped to 1.1 bar, but when I try to top up the gu... [Read more]

How can I fix my Worcester Bosch central heating system?

The circulation pump short circuited and blew the boiled supply fuse. I replaced the pump but now the pump ru... [Read more]

EXPANSION VESSEL - RE-PRESSUREIZE HOW?

I need to re-pressurize my expansion vessel ... do I drain the heating circuit then pump up the vessel to ... [Read more]

Worcester 19/24CBI Problems (Over Heating, Fail to ingite)?

Hoping that someone can shed a little light on my problem or that this may help someone in a similar position.... [Read more]

Ideal Icos Boiler, Heatrae Sadia CL170, Reliance Pressure gauge?

My CH/HW system consists of the above components plus a room thermostat and control panel beside the boiler. A... [Read more]

how can i get radiators hotter?

I have a 480k rayburn with 11radators, 8 which we use all the time which when turned up are only warm.tried ev... [Read more]

Airlock in radiator system?

I removed a radiator for decorating and when I replaced it even after bleeding it a number of radiators in oth... [Read more]