How to mend ... Dhw Flow Switch

Ferroli Modena 102 luke warm hot water?

Any help have Modena 102 sometimes when 1st time calling CH the gas flame is very low if flame doesn't spread ... [Read more]

vokera combi hot water issue?

Hi My hot water tap has to be on full flow in order to trigger the boiler to fire up. Can it be adjusted to f... [Read more]

halstead ace he 30 dhw problem?

Hi All, I wonder if there is someone out there who can help with a very strange fault on a Halstead Ace HE... [Read more]

diverter valve not operating?

Hi I am having a problem with my potterton performa 28i boiler. Central heating works fine. Dhw giving cold ... [Read more]

How can i fix my Ariston A23 Mffi E Combi boiler NO DHW URGENT?

No Dhw, runs cold after a few minutes when demanded either alone or with CH demand, the burner continues to ru... [Read more]

ace high dhw?

I have seen other postings talk about the diverter valve which must be in the flow body. I notice that i will ... [Read more]

I have a Halstead Ace high. ?

The DHW activation pin does not move enough to close the contacts on the DHW flow switch. If i operate the swi... [Read more]

Halstead Ace 30 - No DHW - CH on using DHW taps?

4 year old Halstead Ace 30. When turning the hot water taps on, 'H' shows on the display, swiftly followed by... [Read more]

Sime Friendly BF combi - no htg no dhw?

Help.. Sime friendly combi, pilot is lit, pump runs constantly, but no response to htg or hot water demand ... [Read more]

Vokera Maxin 28e DHW problems?

Takes quite a while for water to run hot with CH either on or off. Have checked the DHW diaphragm and it is fi... [Read more]

Ace High Flow switch/Diverter valve?

Hi all,problem is mine is leaking from dhw plunger area,slide to hold micro switch box is rusty,little bit of ... [Read more]

Heating/Hot Water Problems with Ravenheat RSF100ET?

Hi Original problem was not very hot DHW, but burner running flat out. Changed both DHW and CH thermistors, ... [Read more]

no DHW on my halstead combi 82?

The central heating works fine on my boiler but does'nt fire up on turning the tap for hot water. Iv'e change... [Read more]

Halstead High Ace - DHW not turning off?

After turning off the DHW tap, my Ace High boiler stays in Hot Water mode - this also heats up the radiators. ... [Read more]

How can I stop my Ravenheat CSI 85B tripping out?

I had a new Ravenheat CSI 85 B T installed today. It worked for the plumbers who installed it - they left and ... [Read more]

brittany combi se 80 hot water fault?

guys, i have the above boiler, and before xmas had a problem where i had no hot water, i called an engineer w... [Read more]

dhw halstead ace high?

i have followed the procedure in the fault finding in the manual and have, replaced the dhw thermistor and now... [Read more]

Potterton Promax 15HE Boiler -relay clicking problem?

Hi, Need some help please. A 6yr old Potterton Promax 15HE on an unvented boiler installation has suddenly st... [Read more]

ch ok dhw works intermitantly or not att all raven ls80?

changed flow senser manuel saysmicro switch on shunt valve no shunt on parts list

baxi expert req?

my faithful baxi my long hardworking baxi 105e has developed a slight niggling problem but try as i might i ca... [Read more]