How to mend ... Programmer Hot Water

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]

not going to mid position on valve?

when I replaced the actuator on the mid position valve and controler I found that I could get heating and i co... [Read more]

No heating - 3 port motorised mid-position valve?

I have a Tower Mid-Position Valve and although I can get hot water my heating will not come on when we switch ... [Read more]

Heating boiler through the programmer is on hot water ok no heating to rad?

Boiler operates in the hotwater mode, put the switch over to the heating,no heating,room stat on max, 3 port v... [Read more]

Danfoss RX1 not responding?

I have a Danfoss TP5000RF wireless programmer and a Danfoss RX1 receiver unit. For some reason the heating has... [Read more]

LANDIS & GYR PROGRAMMER - HW OK BUT NOT WITHOUT CH?

I have recently moved into new flat with Baxi Solo 3 50 PF boiler. There is a Landis & Gyr programmer (don't ... [Read more]

no hot water or central heating?

I do not have any hot water or central heating, the boiler does not fire up at all yet the pilot light is lit,... [Read more]

Hot water keeps boiling?

DHW (gravity fed HW pumped CH system; Potterton floor standing (?1200) balanced flue boiler replaced 6 years a... [Read more]

Saunier Duval Thelia 23- no heating/hot water?

The problem seems to be the clock/programmer. With the slector switch set to 'auto' the display will normally... [Read more]

what do i need to tell the boiler i want heating?

just moved into house .previous owner was about to renew programmer but didnt,its missing ,the boiler works fi... [Read more]

have central heating working but no hot water?

Have an old potterton SP2000 programmer can set for central heating or just hot water or both. The timer is w... [Read more]

problem with potterton kingfisher II CF40?

Hi all, Hope someone can help, I have a pott kingfisher II CF40, floor standing, gravity fed i believe, as i c... [Read more]

Why does the red reset button keep coming on when my boiler is turned on ?

my alpha 280e boiler fails to fire up when switched on.. the boiler has gas, water and electric supply. the ... [Read more]

my heater comes on when the hot water switches on, why?

i have a Danfoss FP715 programmer and i have switched off the heating part and have the hot water come on for ... [Read more]

Radiators heating up when only hot water required ?? programmer problem?

Hi My potterton control is programmed to come on twice a day for hot water only. However the radiators are g... [Read more]

Oil Boiler will not fire up after changing thermostat controller?

Hi, I have an oil boiler (Worcester Danesmoor 15/19), which I use for the heating (I use the electric for the... [Read more]

potterton profile 40e can't be controlled by programmer?

The boiler is working and provides both hot water and heating but runs continuously, even with the programmer ... [Read more]

My Potterton EP3001 programmer has 'reprogrammed' itself?

After a holiday with the power off my EP3001 programmer battery ran out (its old) and when switching on mains ... [Read more]

Pump and Boiler always running?

Even if the programmer is off for both water and heating, if I turn the boiler stat up until it clicks, the bo... [Read more]

Control problem with central heating!?

I have quite an old central heating system with a hot water tank, with a Siemens RWB2E programmer. However lat... [Read more]