How to mend ... Thermostat Set Help

Ferroli Optimax HE31C Error Code NOcn?

I have a Ferroli Optimax HE31C Boiler and it has been working fine for years but all of a sudden it has fault ... [Read more]

boiler cycling?

with no call from the heating/hotwater or under floor heating .The boiler continues to cycle.Is the cause.the ... [Read more]

how do i change my siemans thermostat to come on morning and night?

my siemans thermostat is set to come on if the temperature drops, but i need this to come on every day at a ... [Read more]

Siemens remote thermostat RDJ10RF doing opposite to setting?

My Siemens remote thermostat does the opposite to what i set it to. The time i set it to turn the heating on,... [Read more]

Potterton EP2000?

Thermostat fires up but for a few minutes then goes off. set to on not via timer

Help please with my Siemens RDJ10RF thermostat?

Hi I have just got a Siemens RDJ10RF thermostat and its driving me crazy. I have it programmed to come on at ... [Read more]

Zanussi Fridge freezer ZNB 323 S?

The fridge temperature is too low with the thermostat set on zero. Ice is forming. I have checked the door sea... [Read more]

RC1 and WR1 thermostat keeps switching to alarm, despite constant resets!?

Hello, I hope someone might be albe to help me. I have noticed that my heating alarm LED keeps coming on a... [Read more]

Vaillant ecoTec 831 I have hot water but no heating?

Please help! Our heating has suddenly stopped working. The display shows that the internal pump is running, ... [Read more]

how do you set up thermostat control?

calortec 1000w ceramic electric rad

Permanent F5 fault?

I have a Glowworm 18hxi boiler with a Systemate 2000 Gledhill system. Boiler keeps failing with F5 fault. Ha... [Read more]

Ideal ff series boiler?

Hi Guys I am currently having issues with my heating system, where as more boiler fires up no problem but it c... [Read more]

heating?

I have a siemans RDH10RF the thermostat is set to 25 but the room temp is staying at 17.5 can anyone help.

How do I set the heating to come on at two set times and set the thermostat?

We have set two times for the heating to come on only it doesn't come on at the correct times and the temperat... [Read more]

Glowworm 330+ boiler starts up at night?

The boiler starts up at night despite both system controls being set to off and it not being cold enough for t... [Read more]

How to regulate radiators with a Worcester RC5 thermostat?

I have downloaded the manual & set the temperature as required but once at the desired termperature the radiat... [Read more]

Troubleshooting a Bosch ZWB28-3 combi boiler?

Currently it heats our hot water well but when cold is mixed in like in the shower the temperature of the wate... [Read more]

Potterton Netaheat - no heating without hot water?

Boiler will only fire up when "hot water" selected on controller (EP2002). When hot water is on, radiators al... [Read more]

Drayton Digistat RF601 thermostat shows incorrectly high temp?

Hi, A battery leaked in my Drayton Digistat RF601 thermostat so I removed as much of the (small amount) of ... [Read more]

Worchester junior 28i hot water no heating 5 flashes in service mode?

I have a Worchester junior 28i boiler, the hot water is working but not the heating and the green burner indic... [Read more]