- Reaction score
- 17,012
Discuss Identify heating controller in the UK Electrical Forum area at ElectriciansForums.net
A Danfoss guide to an early electronic programmer FP975, which itself is a plug-in replacement for yours, suggests there were other plug-in replacements at that time.Well, its an old programmer... and nothing really is a straight replacement.
I could change the brand, but as you can maybe see, there's a wall pillar to the left... and sometimes the mounting frame is on the other side.
There must be a back box being used as wiring centre behind that.
Basically, it’s busted.Take it off and have a look. There'll be wiring details for the base...so you should be able to find a model number.
Why do you want to know, for operating instructions, maybe?
I know its an old post, but i have the same controller, mine is a Randall 922, the timer is malfunctioning. My heating and water seem to work on the pre programmed defaults (06:30 -08:30) but my settings dont, the burner operates - but not on full flame so only warms slightly. More concerning, i have noticed my heating operates when the lever is in the off position ???Morning all.
I’m sure all you human beings will be quicker and more accurate than google…
Can anyone identify this heating controller.
Looks like it’s missing a flap on the bottom…
View attachment 91200
Quick update, in with our service our guy is quoting us to replace our Randall 922 with a TR4.I know its an old post, but i have the same controller, mine is a Randall 922, the timer is malfunctioning. My heating and water seem to work on the pre programmed defaults (06:30 -08:30) but my settings dont, the burner operates - but not on full flame so only warms slightly. More concerning, i have noticed my heating operates when the lever is in the off position ???
Discuss...
I know its an old post, but i have the same controller, mine is a Randall 922, the timer is malfunctioning. My heating and water seem to work on the pre programmed defaults (06:30 -08:30) but my settings dont, the burner operates - but not on full flame so only warms slightly. More concerning, i have noticed my heating operates when the lever is in the off position ???
Discuss...
Quick update, in with our service our guy is quoting us to replace our Randall 922 with a Honeywell T4R .
Anyone disagree or suggest a better option ??
Cheers all !!
You need to get someone whos competent to have a look at it.Quick update, in with our service our guy is quoting us to replace our Randall 922 with a TR4.
Anyone disagree or suggest a better option ??
Cheers all !!
Hi, thanks for response, They are a competent crew and do our setvices on boiler and gas fires, but my only query was the option to use the honeywrll T4r as the replacement, as that option hadnt appeared in my searches !You need to get someone whos competent to have a look at it.
I would disconnect the timer and ensure that the valves/boiler etc are all working as they should before actually changing it.
The tr4 is a wireless programmable thermostatHi, thanks for response, They are a competent crew and do our setvices on boiler and gas fires, but my only query was the option to use the honeywrll T4r as the replacement, as that option hadnt appeared in my searches !
The Randall controller we have has a separate wired thermostat, that to be fair is in the wrong place as it is in an upstairs room that i use as an office/workspace and never have the radiator on, thus the thermistat is at best, inefficientThe tr4 is a wireless programmable thermostat
https://www.NoLinkingToThis/p/honeywell-home-t4r-1-channel-wireless-programmable-thermostat/9543v
One of these would do what you want.The Randall controller we have has a separate wired thermostat, that to be fair is in the wrong place as it is in an upstairs room that i use as an office/workspace and never have the radiator on, thus the thermistat is at best, inefficient
Reply to Identify heating controller in the UK Electrical Forum area at ElectriciansForums.net
We get it, advertisements are annoying!
Sure, ad-blocking software does a great job at blocking ads, but it also blocks useful features of our website. For the best site experience please disable your AdBlocker.