How do I remove old Danfoss TRV?

My old Danfoss TRV is stuck and I can't remove because it is secured by Allen key at the collar and this is corroded - correct size Allen just turns round. Any ideas to loosen collar or will I have to ... more

danfoss 24 volt thermostat wiring?

how do i wire danfoss 24v thermostat to britony combi, i have 1 red, 1 yellow & 1 blue wire

3 way valves?

can I swap a switchmaster for a danfoss 3 way mid position valve and what would the wiring arrangements be. Cheers.

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Diverter valves?

C/H & H/w. What a set up!!!!. Emerging from the floor 22mm pipe which carries the pump. Continuing the 22mm on pump flow is a T off 15mm to a gate valve then changes to 22mm in to the h/w tank bott ... more

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New Danfoss RX1 won't work?

My old Danfoss RX1 stopped working - no green prog light when Prog and CH1 pressed together for 3 seconds, no green light if Prog pressed on its own, but a red light and boiler fires up if press CH1. ... more

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wiring a danfoss tp5000 rx1?

how do i wire a danfoss tp5000 rx1 to a glow worm combination boiler i got 3A supply going to N and L but what about 2/3/4 plz

Carefeee !?

Hi ~ u kindly replied to a question a posted a day or so ago re danfoss 103 Timer and a Danfoss Thermostat ~ I've added some details you asked after your answer ~ could u take a look and see if that h ... more

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wiring danfoss 103 timer to a danfoss ret230p thermostat?

I have a Sunier Duval SD 620 combi boiler and have a Danfosse 103 timer ~ old but reliable ~ Im fitting a Danfosse RET230P Room Thermostat. 1. Im confused by the wiring or lack of wiring instructions ... more

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wiring danfoss 103 timer to a danfoss ret230p thermostat?

I have a Sunier Duval SD 620 combi boiler and have a Danfosse 103 timer ~ old but reliable ~ Im fitting a Danfosse RET230P Room Thermostat. 1. Im confused by the wiring or lack of wiring instructions ... more

How can I fix my Worcester oil-fired boiler?

The solenoid valve on the oil pump has failed and I want to replace the coil which I know to be open circuit. The coil (Danfoss 071N0051) is on a Danfoss BFP 11L3 pump. I have removed the nut and shak ... more

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Wiring instructions for Drayton LP711 replacing Danfoss 103?

I had one of these installed on Sat and ever since I have had no hot water or Central Heating, the man is coming back but just wondered what it was that he had done wrong.

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Help with central heating wiring please?

Have just fitted a Danfoss actuator in airing cupboard and a new digital thermostat in the hall. Problem is that even when the heating is switched off at the control panel by boiler, the heating is be ... more

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repair danfoss refrigeration on boat?

notice the unit runs far more often than normal & not getting as cold. ran every 30-40 seconds last night. guessing cause is low charge but read somewhere if unit senses low voltage due to faulty elec ... more

how do i change the battery on a danfoss rfi?

how do i remove the casing to replace the battery ?

motorised valve?

i would like to change the actuator on my Danfoss Randall 3 port motorised valve. Is there a procedure for doing this or do we simply change one for the other after switching off the electric supply. ... more

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How can I fix my Danfoss TP5000 + RF programmable room thermostat ?

This is a wireless thermostat as combi boiler is in roofspace. No problems for three years, but now will not come on at alloted time without going into loft to turn on manually. Boiler is working fi ... more

why does my burner keep locking out ?

my burner keeps locking out at random times and having to go then and push the red button for it to fire up.it could happen 3 to 4 times in a day and work perfect the next.its a sterling burner,possib ... more

Danfoss FP715 screen blank?

last night i noticed that the display on my Danfoss FP715 has gone blank, the unit is still working though but i cannot work out why the screen has gone off and wont come on.... any ideas?

Where can I buy old danfoss trv?

My TRV's are old Danfoss TRV's , the thermostatic valve held on by a Jubilee clip. Heat has made the gripper parts brittle. Where can I get replacement barrels , the metal bits, needles work fine?

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how can i fix my oil leak from coil on top of fuel pump?

my danfoss oil fuel pump is leaking oil through top of coil on top of the fuel pump.It is a BFP41L3, is it something that can be repaired or do i need to replace the pump or can i replace the shaft th ... more

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