Drayton TRV 4 in bits

[top banana]

Hi all.
Have a customer who had a couple of these which have fallen apart.
Has anyone seen anything similar before.
They are approx 2 years old!

Thanks in advance.

 

[oldbuffer]

In my opinion the quality has deteriorated significantly in the last few years. I have had a number just come to pieces, apparently in the same way as yours, with the adjusting knob detaching from the body. After 30+ years of their being my favourite TRV I no longer fit them.

 

[top banana]

Thanks for your reply. What would you recommend?

 

[top banana]

Would be even better if I could just replace the head !

 

[oldbuffer]

1. Danfoss or Pegler. Seem fine but have only been using for a couple of years.
2. You can just replace the head by undoing at the knurled metal ring. But:
2.1 The heads are quite expensive.
2.2 Unless the quality improves, you may have the same problem in a few years.

 

[gas112]

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www.screwfix.com

 

[top banana]

Is there any other head that would work with the same valve body ?

 

[Elkato531]

The RT212 head may fit and work. Maybe someone has tried.

https://www.screwfix.com/p/drayton-rt212-white-trv-sensing-head/569hg

 

[gas112]

Is there any other head that would work with the same valve body ?

you mean is there anything cheaper

 

[Mottie]

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www.screwfix.com

Might be better for the OP to spend an extra £6 and get the TRV as well as a new lock shield valve.

Drayton TRV4 Classic Thermostatic Radiator Valve

The TRV4 Classic has achieved the highest Class I rating for energy efficiency under the certification scheme of the European valve manufacturers association (TELL). The rating is based on how quickly a TRV reacts to changes in room temperature; how effectively it maintains stable room...

www.toolstation.com

 

[gas112]

Might be better for the OP to spend an extra £6 and get the TRV as well as a new lock shield valve.

Drayton TRV4 Classic Thermostatic Radiator Valve

The TRV4 Classic has achieved the highest Class I rating for energy efficiency under the certification scheme of the European valve manufacturers association (TELL). The rating is based on how quickly a TRV reacts to changes in room temperature; how effectively it maintains stable room...

www.toolstation.com

not if they are looking at a 30 second job instead of draindown etc with additional hassles

 

[Mottie]

not if they are looking at a 30 second job instead of draindown etc with additional hassles

Ah, right. I was getting this thread confused with another one where the OP didn’t have a head for his TRV as well as having a seized lockshields. I'd already replied to that one but thought he'd posted twice in different sections.