How to mend ... Danfoss Will Not

Thorn Harcal 460?

Perhaps my 46 year old Thorn Harcal 460 is the last one in use, but its time is running out. The Danfoss RS 28... [Read more]

Cold Radiator?

Radiator in bedroom is not heating up, all other rooms are working fine. I have bled the Rad' but still not h... [Read more]

Danfoss RX1?

I have a Danfoss RX1 attached to my Samsung air-water underfloor heating system. It has two buttons: Prog and ... [Read more]

Refit old style Danfoss TRV?

One radiator was cold ( not often used). I managed to take off the Danfoss cover & tapped the valve a few time... [Read more]

Danfoss RX1-S (CH override button not working)?

I have a Danfoss RX1-S controlling my hot water the cylinder stat seems to be working ok. The thermostate show... [Read more]

my danfoss 102 is not working proply?

The water only switch is working but when on set timer for water and heating only water comes on no central he... [Read more]

How can I fix my Danfoss rx2c wireless system?

My heating and hot water is working but the room teromstat is not sending single to receiver. The batteries ar... [Read more]

Danfoss 103e user guide manual?

Hi, does anyone have a copy of the User Guide / User Booklet instruction manual for the Danfoss Randall 103E m... [Read more]

Pump not working if Central Heat only, called for?

The central heating would not start, it would appear that the boiler fired but the pump did not function. If I... [Read more]

How can I release a stuck pin?

I am having trouble with an old Danfoss valve. Hot water will not flow into the Radiater. The pin is stuck. ... [Read more]

Danfoss RA 2000?

I can't seem to remove the RA 2000 knob. It is turning without gripping on anything. Any idea what to do? The ... [Read more]

Hot water & room temperature thermostat danfoss?

Need help! My temperature dial for my heating has fallen off ( this is the main that turns to switch heating o... [Read more]

Boiler override if roomstat fails?

How can I run the boiler for heating if the roomstat fails? Is the some sort of override function on the boil... [Read more]

danfoss SET3E contlolled heating system ?

In my Danfoss SET3E heating controlled system I can't turn the water heater section OFF! The switch on the... [Read more]

Danfoss rx1 program problem ?

I moved into this house a short while ago and haven't quite figured out the heating system. Its danfoss and fr... [Read more]

How can i fix?

My old Danfoss RX1 stopped working - no green prog light when Prog and CH1 pressed together for 3 seconds, no ... [Read more]

Danfoss FP715Si?

Hello, I have just moved into a new house (to me) which has the Danfoss FP715Si thermostat already installe... [Read more]

Danfoss REP230 Thermostat Wiring?

Long story short, I have the above thermostat and had an installer try to replace it with the new NEST thermos... [Read more]

danfoss setting boiler times/temperature?

Have set 4 programs start/finish for morning and evening at 21 degrees - however the boiler comes on in betwee... [Read more]

Danfoss RA 2000 thermostatic Radiator Valve Wont shut off?

When turning the thermostat all the way down to off position it wont shut off and continues to heat. Do I need... [Read more]