which side of the rad do you put it on. or does it matter.

Hi. U shiuld kniw if ur changing radiator valves tbh! 😉 they would normally go on the primary flow. It depends on wether you have a 1 or 2 pipe system for your central heating. Its normal these days to have a 2 pipe system. A lot of valves are bi-directional so it shouldnt matter but as i said it may. Check the instructions and if it day they can be fitted on either pipe no worries. The other pipe is called the return pipe. Or if it states they are bi-direction then should be fine too.

Can these be used on a vertical radiator wall mounted?

We have fitted these to our new Vertical 7 Panel Radiator and it works very well in the limited space.. Bonus I can hook a Toweling Dressing gown on it & so keeps me warm too.

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🔥 Stay warm, save smart — control your comfort like a pro!

EFFORTLESS FIT - Designed for seamless installation on standard UK 1/2" radiator tails and 15mm pipework.
MODERN MINIMALISM - Clean white alloy steel finish elevates your radiator’s aesthetic with subtle sophistication.
SMART ENERGY SAVER - Automatically adjusts radiator flow to optimize room temperature and cut heating bills.
COMPLETE CONTROL KIT - Includes both thermostatic valve and lockshield for total radiator temperature management.
DUAL FLOW FLEXIBILITY - Bi-directional valve design supports versatile installation on flow or return pipes.

The Kartell TRV Thermostatic Radiator Valve + Lockshield set is a precision-engineered, energy-efficient heating control solution featuring a durable white alloy steel finish. Designed for easy installation on 1/2" x 15mm UK standard pipework, it offers bi-directional flow flexibility and comes complete with both thermostatic and lockshield valves to optimize radiator performance and reduce energy costs.

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Manufacturer	Essential Shopping
Part Number	TPLSTRVSA
Product Dimensions	9 x 7 x 9 cm; 460 g
Item model number	TPLSTRVSA
Size	7 cm x 9 cm x 9 cm
Colour	White
Material	Alloy Steel
Item Package Quantity	1
Batteries included?	No
Batteries Required?	No
Item Weight	460 g

Kartell TRV Thermostatic Radiator Valve + Lockshield 1/2" x 15mm White Angled

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