How to mend ... Boiler Flow Problem

Saunier Duval SD623: Flame goes off and on when boiler is on high setting?

For the past few months the boiler flame goes off and then on repeatedly when boiler is on high stting (when h... [Read more]

Problem with Combi boiler and hot water surges?

We have a Worcester 28Si11 combi boiler which works fine EXCEPT THAT we get very erratic flow from the hot tap... [Read more]

Worcester 9.24 Electronic RSF D.H.W. problem?

Hi. My Combi boiler (Worcester 9.24 Electronic RSF) has developed a problem with the hot domestic hot water s... [Read more]

Poor hot water temperature with heating on?

I have a Vaillant Turbomax combination heating boiler. When the central heating is operating & a hot tap is... [Read more]

Heat Upstairs But not Downstairs?

I have 6 radiators in my house, 4 upstairs and 2 downstairs. My upstairs radiators are fine but I have a probl... [Read more]

Baxi Bahama 100 keep cutting out?

My dreaded boiler has not had 2 sets of flow switches, cleaned at least twice, new expansion vessel etc. The p... [Read more]

76 boiler, air flow problem?

I have changed the airflow switch, fan runs, if i suck the airflow pipe it lights,,,,,help

relating to potterton suprima 30 boiler?

The boiler runs fine but after about 3 to 5 mins unfortunately then stops (power and lights still on). It can... [Read more]

No Hot Water OPTIMA 701 gas combi boiler?

I get no hot water unless I have the heating on. I have cleaned the water filter, flowmeter and flow restricto... [Read more]

Please help with a Vaillant boiler? Turbomax combi 282e?

Hi, My Vaillant turbomax 282e c/h boiler is taking it's time lighting up after you've opened the hot tap. I ha... [Read more]

Vaillant sine 18 T 3 WF H. No hot water. Low water volume from hot tap?

Hi, I have a Vaillant sine 18 T 3 WF H. and the problem is no hot water the symptoms are:- 1, low water fl... [Read more]

Help Topping Up Water Pressure on Vokera 20-80 RS Flowmatic!?

Hi there, I've been having a few problems with my boiler (Vokera 20-80 RS Flowmatic), as we are able to get... [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]

Extremely low hot water flow rate on Sabre Combi Boiler?

I have a Sabre Combi Boiler in a 3 bedroom flat on the 2nd floor of a low rise block. Cold water flow rate is ... [Read more]

i have a glow worm swift flow 80 combi boiler, need help to repair?

dhw was intermittent and now i'm lucky if the heater fires up at all the pilot light is ok , i have fitted a n... [Read more]

glow-worm flow switch problem and leak?

i have a glow-worm swift flow 100 and two separate problems. the first is the pressure loss, it after the heat... [Read more]

how can I fix my glowworm 60 mkII to have hot water in the bathroom?

we have a half flow of hot water in the kitchen, (which I believe is because of gravity) but no hot water upst... [Read more]

Ravenheat LS 100T no DHW?

First off I have had this boiler for 2 yrs now and never had a problem before, the other day all of a sudden I... [Read more]

ferroli mondena boiler?

when the domestic hot water tap is turned on, the water runs hot for a few seconds then runs cold, but when th... [Read more]

gas valve trips out ?

Hi I’ve got a Glowworm swift flow 80 gas combi boiler, The pilot light went out, installed a new thermocoupl... [Read more]