Radiator Valves

LaurenHeath123

Hi All

Quick question - Currently buying the valves for my column radiators (I've bought the acova column rads) and everyone I have spoken to has said to put manual valves on rather than wasting money on TRVs because they retain heat etc so they would be pointless.

Is the above true or should I should I get the TRVs anyway? - I have 4 vertical rads and the rest are horizontal.


Thanks

Geoff1963

TRVs measure one place, to guess the temperature of the room ; so they won't be very accurate. If the area gets boxed in, say by furniture, TRVs would get very confused.

Tom99

[FONT=Tahoma, sans-serif]I have used acova column rads in two properties now and in both cases used TRVs.

[/FONT] [FONT=Tahoma, sans-serif]I may be wrong but I thought regulations required them apart from the room with a room stat in, although that may be for complete new installations only.

[/FONT] [FONT=Tahoma, sans-serif]I have never thought TRVs are much good at regulating the temperature of a room although they are handy just to turn down in say bedrooms to keep minimal heat flowing.[/FONT]

LaurenHeath123

Thank you both. I'm having two radiators in the downstairs hall, two in the kitchen and two in the living room. Would two TRV valves in each room be OK?

My understanding of the regulations were that TRVs are not mandatory but are recommended as good practice.

I would have put TRVs on all the rads but when everyone was warning that they would be a wasted extra cost, I thought I would check it out first.

Plumbers around here aren't used to working with column rads so I'm not sure they would be able to answer my questions.

Tom99

[FONT=Tahoma, sans-serif]I used Danfoss on the 1st house because I though they look the best and a reasonable make:

[/FONT] [FONT=Tahoma, sans-serif]http://www.screwfix.com/p/danfoss-ras-c-white-chrome-angled-trv-15mm-x-15mm/70871[/FONT]

[FONT=Tahoma, sans-serif]And Drayton on the 2nd house but they came free with the rads otherwise I would not have bought Drayton as they are too expensive.

[/FONT] [FONT=Tahoma, sans-serif]http://www.screwfix.com/p/drayton-trv4-white-chrome-angled-trv-x-15mm/26100[/FONT]

[FONT=Tahoma, sans-serif]My installer would not add a TRV in the hall where the room stat was going though.

[/FONT] [FONT=Tahoma, sans-serif]As I said before I do not think they are much good at controlling room temperature but are easier to turn up and down than a manual valve, particularly if you only want a rad half on.[/FONT]
[FONT=Tahoma, sans-serif]The Acova rads look good but be careful when installing them as they chip easily if knocked with a tool or something hard. Also remember to mount them with the water inlet on the opposite side to the bleed valve.[/FONT]

Wookey

LaurenHeath123 wrote: »

Thank you both. I'm having two radiators in the downstairs hall, two in the kitchen and two in the living room. Would two TRV valves in each room be OK?

My understanding of the regulations were that TRVs are not mandatory but are recommended as good practice.

I would have put TRVs on all the rads but when everyone was warning that they would be a wasted extra cost, I thought I would check it out first.

TRV are not a waste of money if you want to have some individual control per room, good valves work well and the most benefit is seen when you want to keep temps down in rooms like bedrooms. As housing becomes more and more insulated and draft free then temp adjustment becomes more noticeable.

If you are putting two rads in each of those rooms you could only use 1 TRV per room, once the system is up and running you can adjust the TRV to suit at different times of year with the second rad either being of or on depending on season.

The hall if its very long may benefit from having a TRV on each rad.