Radiator is cold despite freeing trv pin. What can i try next?

I took the danfoss trv head off and made sure that the pin was free. I've drained the radiator and refilled it and bled all the air out but the radiator (and return pipe) stay stone cold. What can I t ... more

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Danfoss FP715 pump continues to run?

we have a problem with this controller in that even when hot water and heating are both off the circulation pump continues to run. Is there a quick fix for this fault state.

instruction manuel?

Hi, I am wondering if you can help me, it it possible to get intruction on how to use a danfoss FP715 programmer as I have just moved in and this is the controls for the heating and water but there is ... more

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what is the danfoss tank for under the bonnet(ex bt transit)?

There is a tank under the bonnet of my bt transit (s reg) and also a thermostat valve.Inside the cab is a small display (which doesnt seem to work very well) with what seems to be a coil on it.Could a ... more

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What's the matter with my boiler?!?

Oilfired 'Eurocal' failed this morning after making noises for a day or two (I thought it was air). Have pulled out the burner to find that the fan (on the other end of the motor shaft to the pump) mo ... more

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tapping sound from radiator valves?

i changed two radiators and fitted both with danfoss valves after a while the radiators started to make a tapping sound are they fitted correctly?

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how do i reprogramme my Danfoss RX1?

I pressed a button on the timer and unbeknown to me it got stuck and turned itself off, now i cant get it back on i have the hot water but the programme button on the main box will not light and i can ... more

radiators wont work?

my heating system is tempromental - when set on auto /timer they come on - but when u want them on extra upstairs are all on but downstairs will not work and both pipes are cold - i have a danfoss cp7 ... more

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Fix old broken Danfoss Thermostat?

The cone shaped object in the middle of the thermostat housing doesn't move in & out and the adjuster doesn't completely return to off position. Pipes are approx 1cm. Can it be fixed please?

Radiator won't heat up and both pipes are cold?

Hi, I have one radiator upstairs that won't heat up and both the inlet and outlet pipes are cold. It was working last Winter. I have bled it and it has a Danfoss TRV which is OK. If there is a bloc ... more

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how do i remove the danfoss thermostatic valve from the radiator?

i am struggling to get past first base i cannot seem to get the valve off the radiator to expose the pin any ideas

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How do you fit a radiator valve after freeing sticky pin?

I cannot seem to push the valve back on, there is a silber lug inside? The valve is in a horizontal position and is a Danfoss , thanks for your help so far :-)

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Servicing a Danfoss Thermostatic Radiator Valve?

A couple of my Danfoss radiator valves have stopped working and are not letting the warm water through. The British gas engineer who normally services our system said that there is a "Slug" that stick ... more

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Danfoss RX1 not responding?

I have a Danfoss TP5000RF wireless programmer and a Danfoss RX1 receiver unit. For some reason the heating has been going on and off at strange intervals and now will not come on at all. I do, however ... more

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danfoss FP715 Si?

hi, i recently had my boiler replced, an engineer came out after a year, to reservice it a month ago!!now it has shut off completely..i am getting "SER-2088-No1-time etc. it beeped for a while now i ... more

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JCB 525-58 telehandler?

Does anyone know why the steering keeps going really stiff , it's as if it has lost all power assistance then it seems to get better . I wonder if there's a priority valve but i can't find one! Or may ... more

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How do I replace my Danfoss Randall 102 mechanical progammer unit ?

how do I replace the Danfoss Randall 102 mechanical programmer unit please?

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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 1 hour a day, however my heating comes on too, does anyone know why?

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danfoss fp75 and grant boiler?

my oil fired boiler and pump will not turn off,i have just fitted 2 new hpa2 have i wired them up the right way.

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How do I get my RX1 reciever to work on a TP5000?

I have had installed a Danfoss TP5000 and an RX1 room thermostat which initially worked great.Then all of a sudden it seems to have lost the signal and i have followed the instructions steps 1-3 in th ... more

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