How to mend ... Dhw Flow Switch

Water dripping from hole under DHW flow switch on Alpha boiler?

I have a Alpha CB28 Combi Boiler that has a constant drip of water from a hole that is located in the pipe dir... [Read more]

Halstead ace high burner problem?

I have a Halstead ace high combi boiler. I have replaced the diaphrams in the flow switch CH & DHW and removed... [Read more]

Why does my Aplha 280E Boiler fail to light now & again?

My Alpha 280E boiler has the following problem -9 times out of 10 it is OK. Sometimes, you switch on the combi... [Read more]

DHW Flow switch?

DHW Flow Switch

Alpha CB24 no hot water?

Am I right in thinking it is the diverter valve or DHW flow switch that is the problem? Green light bleeps, bu... [Read more]

DHW flow switch sticking/leaking?

I hope someone can give me some ideas? I have a Halstead Finest Gold and I am experiencing a problem with the ... [Read more]

Potterton Puma 80 - No hot water?

Potterton Puma 80 works fine with central heating, but without CH on, it does not produce hot water. At hot wa... [Read more]

why does my combi boiler run a full pelt?

I have an alpha 240 eco combi boiler. On Monday i came home to find the heating had stopped working. On inspec... [Read more]

How can I fix my Potterton Puma 100?

I have a Potterton Puma 100 which keeps closing down. I seem to cure the problem for a while but then it shut... [Read more]

Vaillant Turbo Max VUW 242/1E, 282/1E?

This is a similar question to one already posted. The central heating works fine. Unfortunately no DHW. Answe... [Read more]

Worchester Bosch 280 RSF will not supply DHW?

My boiler works OK when used on CH, but will not supply DHW when the boiler is cold, if the boiler has been he... [Read more]

Expansion vessel replacement?

Hi all, I have a Glowworm 80e combi with pressure issues. Low pressure on the gauge (sub 0.5bar). Fillin... [Read more]

how can i fix my dhw problem on ravenheat combi csi 85?

i have a ravenheat combi model CSI 85 when i turn on hot water, after a short time cold water starts to flow.t... [Read more]

Heatslave 15/19 boiler - keeps kicking in?

i All, We have a heatslave 15/19 which was fine until a couple of days ago. A guy came round from the water... [Read more]

DHW sometime hot, sometimes not?

Hello, I've got an Ocean Alpha 240eco combi boiler. The DHW has gone tempromental, sometimes it gets hot som... [Read more]

Vokera Sabre 24 - No hot water?

Boiler is not firing up when the hot taps are opened. When boiler is switched on manually I get hardly any flo... [Read more]

DHW fault on Ferolli Modena 102?

I have a ferolli modena 102 combi and have recently noticed the hot water temperature is not what it used to b... [Read more]

Ravenheat combi boiler LS80T (Little Star) 3 way valve emergency valve?

I was replacing the low water pressure switch on my ravenheat combi boiler and found it clogged with that magn... [Read more]

vokera excel 80 E combi does not give hot water in DHW mode?

It gives hot water in the taps only when CH mode. Some times in DHW mode it attempts to fire and the fan may c... [Read more]

Puma 80 overheats and shutsdown when DHW switched off?

This 8 year old Potterton Puma 80 has had first a new diverter valve fitted, and now a circuit board, but stil... [Read more]