German 1/2" TRV body onto 15mm copper pipe ok?

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I'm replacing some unreliable ornate brass TRVs on cast iron rads, with Honeywell HR80s. I want to replace the TRV bodies at the same time (as I doubt the HR80s will fit the ornate valves in any case, and many are leaking/stuck.

However, I want brass TRV bodies rather than chrome, and I want TRV bodies compatible with the Honeywell HR80s, ideally without any adaptors. On Ebay.de, I can get Heimeier TRV bodies that are perfect, but they all seem to be listed as 1/2" over here. I know 1/2" is very close to 15mm.

Should I be ok to order these German TRVs? They look good quality, are available as body only at a good price and are in the right colour. I've searched endlessly in the uK for similar but to no avail.

Appreciate any advice!

Thanks, Simon
 
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They are threaded valves. You'll need to adapt to copper:

520020_wpdp.jpg
 
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Ah, I'd not realised, but can see on the pictures now. Many thanks - that probably rules out this option.

Does anyone do an unplated, good quality brass TRV body in this country at a reasonable price?

i can live with chrome plated if they are a reasonable price I guess, but of good quality.

Simon
 
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You do realise the HR80 is best fitted onto a horizontal TRV body for the display to be visible, aren't you? Unless you know a good chiropractor. ;)
 
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I think I've spent hours on Google you know.

Those are ornate TRVs that are around £60 each and up. Not really a viable solution for this.

I want a TRV body - body only, not an ornate valve. It's for an HR80UK programmer valve head, so paying for an ornate valve is a bit of a waste.....
 
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I presume you mean this picture:
a9c1304dce5107e07cef16370c3a742c.jpg


That's why I suggested a chiropractor. You have to do contortions to read the screen. Or stand well back with a pair of binoculars.
 
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How about getting chrome valves sandblasted, or use some umber paint?
 
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Yes - that's the vertical install, but I could also install horizonally with an angled valve (at least on some of the rads). But I would probably go vertically on all, as the display will be little used apart from setup (it's not really a TV or anything) and in any case, the set point is set from the Room Unit controlling the zone, so don't really see it as an issue myself.

Sandblasting would probably be quite a faff for 16 valves and lockshields - I can live with chrome, but thought I'd ask if anyone knew of any brass finished bodies (that aren't ornate).
 
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Thanks for the suggestion - have read the Drayton valves have some compatability issues with the HR80s - I did think the gold ones might have been ok, but MrsW thinks they are a bit too bling, and I don't think they do them in body only, so at £30 a pop, get's a bit pricey! I was hoping for around a fiver a body in an ideal world lol
 
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