How to mend...Danfoss

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]