How to mend ... Boiler Exchanger Water

Adding dispersants to circulating water?

We have a Vaillant Combi, whic is persistently (at 2 year intervals) having to have the hot water heat exchang... [Read more]

low water temperature os my saunier duval SD623 boiler?

ow water temperature os my saunier duval SD623 boiler? the heating works ok but the hot water is not very h... [Read more]

worcester bosch 26/32 oil boiler + solar?

I have fitted thermal solar system to my oil combi heatslave 26/32. I have used a combi valve that directs any... [Read more]

domestic hot water problems baxi 105e?

when i turn on hot tap boiler fires as normal the water heats up normally but there is a squeeling noise from ... [Read more]

radiators not getting hot?

we have a vokera compact boiler and have had british gas out recently as we have a warrranty out with them but... [Read more]

How can I fix my Worcester 28CDi Combi Boiler?

Intermitent problem. When running the hot tap the boiler and the pressure gauge start to pulsate. A new heat ... [Read more]

Pump is sorted.How do i clean dhw heat exchanger Vaillant part no: 065053?

Pump is sorted by now. I have back hot water and central heating. But some problems with hot water persists. ... [Read more]

greenstar 24i. No hot water?

No hot water delivery, the boiler kettles on the main heat exchanger with HW demand. Central heating demand n... [Read more]

vaillant ecomax 824e flashing e20,e13,f20. How to fix it?

Thing is, that my boiler (which is vaillant ecomax824e) use to go through these codes e20 and then f 20, or e1... [Read more]

how can i fix my boiler?

halstead ace high hot water is intermitent i clean the heat exchanger and all is well but why does it heep hap... [Read more]

saunier duval F30E therma condens boiler. hot water not working ?

I have a f30e therma condens boiler, in the summer i had hot water great but i turned on the heating the other... [Read more]

How can I ficx my Firebird Boiler?

I have a firebird combi 70 boiler. Today the water pressure started falling quickly and caused the boiler t... [Read more]

worchester 35 cdi 2 rsf, boiler pressure rising?

My worchester 35cdi2 pressure goes from 1bar to 3bar in a few hours, has a new expansion vessel and water to w... [Read more]

No H/W from Ariston boiler unless Rads are on!!?

I have read a few forums that say this problem is almost deffinately the diverter valve, however my plumber ha... [Read more]

No hot water or heating on my ravenheat ls80t boiler?

It started when the hot water cut in and out every now and then until it would not come on at all. We still ha... [Read more]

vaillant 824 water temp goes up then down?

hi all i have a turbomx 824 boiler the water temp has been fluctuating up and down so after alot of reading i ... [Read more]

Vaillant TurboMax Problem - Help please?

Hi, I have a Vaillant Boiler Turbo Max around 11 years old. Now the boiler has stopped working as it s... [Read more]

Combi Boiler CH ok but no HW?

I have an old oil-fired Firebird C20 70K combi boiler, that provides CH and DHW to my house which has a single... [Read more]

vaillant turbomax vuw 242E?

the boiler is working fine heating only the hotwater we have 2 turn off n turn on the tap few time n than we g... [Read more]

I have a vokera compact 24 central heating boiler which is knocking off wh?

The hot water on this boiler is working fine but the heating is only working for a couple of minute and then k... [Read more]