How to mend ... Stat Hot Water

water is too hot?

my hot water is too hot.i have fitted a new cylinder stat and set it at 50 deg but the water is still too hot,... [Read more]

Danfoss motorised valve - 2 port?

Hi, My hot water is extremely hot. The cylinder stat works and is wired ok. I have replaced the head only of... [Read more]

Phantom Boiler Operation at Night!?

I have a Potterton Profile 80E Boiler servicing my hot water and central heating. My timer system is Honeywel... [Read more]

hot water problem with my baxi combi 105e?

i have a baxi 105e the heating and hot water was not working. On investigation found that the 10mm pipes were ... [Read more]

Ariston euroCombi SX20 DHW temp variable?

I have a 10 year old plus SX20 EuroCombi - recently serviced by Corgi Engineer and declared to be in good work... [Read more]

how to fix my vaillant turbomax plus 282/2e combi?

re: vaillant turbomax plus 282/2e combi boiler. Problem with c.h coming on when internal timer in 'off' and ro... [Read more]

Water warm but not hot?

My nearly-new ravenheat combi works ok but the water does not get hot enough. Fitted new stat, got the dial u... [Read more]

Back boiler change to oil boiler?

I currently have radiators in all rooms & hot water run from a back boiler behind my coal fire. The system has... [Read more]

ferroli modema 102?

there is no hot water or heating when these are asked for the boiler lock out red light comes on suspect saf... [Read more]

no heat to the radiators?

my boiler works triggered by either the room stat or presumably the cylinder stat for the hot water; but no he... [Read more]

pottern kingfisher mf rsl40 100?

room stat reaches temp but boiler does not cut out causing hot water tank to overheat and blow out through ove... [Read more]

Micron 40ff heating up then cooling right down before starting up again. ?

Please help I have a Micron 40ff with radiators with TRV's & a room stat, I replaced the old style PCB about 3... [Read more]

Is my frost stat faulty?

My frost stat (located in the garage) is kicking in and firing up my boiler even when the control is OFF. Tha... [Read more]

no heating?

ive re newed my 3 port valve ,and changed my honeywell room stat to a digital one and still have no heating on... [Read more]

how can i start up apollo si?

my boiler has been off for 1 month, when turning the power back on the fan starts and runs ok. but the pilot l... [Read more]

Powermax HE 85i Error codes?

I discovered this morning my boiler was displaying A04 (overheat stat open/gas valve failure) iaw fault codes ... [Read more]

My Baxi 100/2 HE boiler fires up for 20 -30 mins the cuts out on lockout?

My Baxi 100/2 HE boiler fires up for 20 -30 mins then cuts out on lockout. It started intermittently, hot wate... [Read more]

Ravenheat boiler, it does work as there is hot water but I can't get ?

heating to come on? I've tried the switches and fuses etc all seem to be fine. There is no 'click' from the ro... [Read more]

how can i fix my Ferroli DOMIcompact F 24 B F37 ?

I have filled the system up as instructed in man instructions i have reset. It fires up but cuts out just when... [Read more]

Worcester 350 combi CH not working?

My Worcester 350 combi has stopped working properly as when the thermo stat switches on nothing happens at the... [Read more]