How to mend Valve Heating System

1

Pressure constantly dropping and then the heating will not operate?

The pressure is set at approximately 1.5-2.0 bar. Over a period of 3-4 days the pressure drops to below 1.0 b... [Read more]

1

How do I fix Sar radiator valve?

OUr bedroom radiator is stone cold. It has a small plastic cap on the valve which you turn to increase or lowe... [Read more]

problem dry fire baxi 133he plus?

i own a baxi 133he plus which has worked fine all day then all of a sudden when i turned the heating up it wen... [Read more]

1

Loss of heating water?

When I top up the system to 1.5 bar the water is thrown back out the pressure valve when the boiler runs up to... [Read more]

Potterton powermax HE. Hot water but no heating?

I have a potterton HE boiler. I have no heating. The actuator is moving on the diverter valve and the pump is ... [Read more]

1

Converting to Y Plan system?

I am converting my heating system to a Y Plan using mainly Honeywell parts for the wireless room thermostat (H... [Read more]

1

how can i fix GREENSTAR 24i junior / 28i junior combi boiler?

just bled radiators for first time. Now all radiators have gone cold but heating is still on. Dont know what t... [Read more]

1

Ravenheat CSI 120 error code 04?

I have a Ravenheat CSI 120 on which I recently (last week) replaced the diaphragm in the diverter valve. I the... [Read more]

Central heating is not filling hot tank when heating is on?

I have a central heating system which has stopped filling the hot water tank when the heating program is on. ... [Read more]

3

heating, Oil boiler not running?

Having just drained my heating system to replace a number of failing radiators,I have re-filled the system but... [Read more]

2

Mid Position Valve (Drayton)?

Hi, My problem is with my central heating and hot water system. This is a long one! When I select just h... [Read more]

unvented hot water central heating problem boiler potterson ?

boiler firing ok, watter silender ok but heat not comming to rads watterpump ok ( strong ) pipes hot around th... [Read more]

1

replacing the diverter valve diaphram?

i think i need to replace my worcester bosch 240 diverter valve diaphram as im only getting hot water and no h... [Read more]

3

converting to sealed system?

Would it be advisable to convert my heating system to a sealed type? The reason I ask is my boiler often makes... [Read more]

Home heating system?

My Drayton FR1 digital room stat will not open the 2 port zone valve to allow the heating to work we have chan... [Read more]

How do I clean my Potterton 402856 gas valve?

I have a floor mounted kingfisher 2, CF50 central heating system. when the heating valve closes it makes a bub... [Read more]

1

Vokera 24 losing pressure?

I have a vokera 24 combi that seems to be losing pressure. I pressurise the system to 1.1bar and while the he... [Read more]

radiators?

All the radiators are bottom fed so why do 6 of 14 get hot first at the top progressively getting hot downwar... [Read more]

1

Grant outdoor combi 90 v3?

My sealed system loses pressure when I run the hot water. When boiler cuts in the system builds up pressure ag... [Read more]

2

Help with Worcester greenstar ri?

Hi, drained a central heating vented system today to fit a new rad valve, turned the cold water back on and re... [Read more]