TRV question/recommendations

Em3bbs · 7 Sep 2020 at 12:14

I've recently purchased some Hive TRVs (https://www.hivehome.com/products/hive-radiator-valve?icid=mname:mega-menu.iname:hive-radiator-valve) but they only come with the thermostat part and not the radiator fitting and I have the old type of radiator valves currently.

I'm getting our bathrooms done next month including new rads, so while the heating is drained down I'm going to take advantage and install some TRVs and then replace the tops with the Hive gear.

I've had Drayton vales in the past which I was really happy with, but I'm wondering if it's worth spending that much if I'm replacing the whole top. I can get cheap valves for a fiver each, would these be just as good in my situation?

zuludawn · 7 Sep 2020 at 20:41

Try Monster Plumb Ltd (Drayton TRV4 15mm Classic Angled Body & Lockshield) I'm doing the same was cheaper to by full kit and do both ends at the same time, they worked out at £17.80 each which is dirt cheap for these. If the Hive turns out to be crap as many reviews are commenting (maybe mostly user error) you still have the TRV's.

NickK · 8 Sep 2020 at 00:34

Drayton trv4 are poop. Their plastic trunks brittle and cracks so the valve breaks and releases from the metal. I’ve had this in a number of them.

found the B&Q sure plumb version works just as well, fits on the old Drayton valve metalware and hasn’t cracked.

Pho · 8 Sep 2020 at 12:56

I had to do the same thing when I fitted smart TRVs. I went with the cheap Screwfix ones as they get good reviews. I guess most of the cost in expensive ones is in the heads, which you won't be using anyway.

https://www.screwfix.com/p/white-chrome-angled-trv-with-lockshield-15mm-x/31811

Mitch1612 · 10 Jan 2022 at 15:29

Hello,
Sorry to revive an old thread.

I'm looking to fit Hive trv's on my rads, but the rads are from pre 1700's I think.
Would the screw fix trv bodies in the post above fit my rads?
Any advice would be welcome.
I have shared some photos in the link below.
https://photos.app.goo.gl/djrD7CMFTYvu36W3A

Thanks,
Mitch.

Em3bbs · 11 Jan 2022 at 11:26

You'll need to replace those valves, as the Hive ones won't screw on those unfortunately, I have the same type. I've still not got around to doing it!

Mitch1612 · 11 Jan 2022 at 15:29

Hence my question.

mickyflinn · 11 Jan 2022 at 21:57

Mitch1612 said:
Hello,
Sorry to revive an old thread.

I'm looking to fit Hive trv's on my rads, but the rads are from pre 1700's I think.
Would the screw fix trv bodies in the post above fit my rads?
Any advice would be welcome.
I have shared some photos in the link below.
https://photos.app.goo.gl/djrD7CMFTYvu36W3A

Thanks,
Mitch.

Does look like they would fit but the pipe looks old and maybe the old 1/2 inch compared to the common 15mm.

FlyingFish · 11 Jan 2022 at 23:48

Pipe size is same and so is the radiator entry thread size. Your issue is going to be carefully removing (cutting) the male olive and nut off the pipe, that fits the old female valve. Without damaging the pipe.

Oh and it you want reliable TRV's, then fit Altecnic ecocal valves. Very reliable, quiet, and can be used with RF Trv heads.