which one is the lockshield? identical from outside, but the mechanism to restrict water is different.

Small screwed cap on top of lock shield, adjust valve with a small adjustable.

None of my Allen keys fit the lockshield. Any ideas what size it is? I thought it would be a standard 12mm radiator hex key but it’s smaller

I used a flat headed screwdriver,it worked well for me.

Could you tell me is it 3/4 into the radiator many thanks martin

I think it’s 1/2” They come with a new inserts which have to be screwed into the radiator. My rads had the old big brass unions on which you have to remove. I had a square shanked Allen key which jammed inside the old union and then you could get some leverage with a small Slilson. The old valves had been in service since the seventies, so pleased when they unscrewed.

is this sold as two normal valves, or is one of them a genuine lock shield (i.e. cannot be adjusted without spanner)?

Once the caps have been pulled off the valves need some kind of hexagonal Allen key to be adjusted. Not fitted these valves myself yet. They can’t be adjusted with the caps. You will need an Allen key!!

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Ultraheat Round Angled Manual Radiator Valve + Lockshield Set 15mm Chrome (Angled)

Ultraheat Round Angled Manual Radiator Valve + Lockshield Set 15mm Chrome (Angled)

Product ID: 103251753

Details

Brand
ULTRAHEAT
Exterior finish
Chrome
Inlet connection size
15 Millimeters
Inlet connection type
Threaded
Number of Packs
1
Number of ports
4

✨Mirror chrome finish

🔒Secure lockshield included

⚙️Precision 15mm threaded connection

R1058

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Description

🔥 Elevate your home heating game with sleek control and lasting style!

BUILT TO LAST - Backed by a 5-year warranty, engineered for durability and peace of mind.
LOCKSHIELD SECURITY - Includes lockshield valve to maintain your perfect settings and prevent tampering.
SLEEK CHROME ELEGANCE - Mirror chrome finish adds a modern, polished look to any radiator setup.
UNIVERSAL COMPATIBILITY - Fits any radiator or towel rail with standard 1/2" tappings for seamless integration.
EFFORTLESS TEMPERATURE CONTROL - Manual valve lets you fine-tune your comfort with precision.

The Ultraheat Round Angled Manual Radiator Valve + Lockshield Set features a 15mm threaded connection and a polished mirror chrome finish, designed for universal compatibility with 1/2" radiator tappings. Engineered for durability and backed by a 5-year warranty, this valve set offers precise manual control and secure lockshield functionality, making it an ideal upgrade for any modern heating system.

Specifications

ASIN	B07K6X7LDM
Best Sellers Rank	256,647 in DIY & Tools ( See Top 100 in DIY & Tools ) 2,251 in Central Heating System Accessories
Brand	ULTRAHEAT
Connector Type	Threaded
Customer Reviews	4.4 4.4 out of 5 stars (248)
Exterior Finish	Chrome
Inlet Connection Size	15 Millimeters
Inlet Connection Type	Threaded
Item Weight	400 Grams
Manufacturer	Ultraheat
Model Number	50552687
Number of Items	1
Number of Packs	1
Number of Pieces	1
Number of Ports	4
Outlet Connection Size	15 Millimeters
Outlet Connection Type	Threaded
Set Name	Valve and Lockshield Set
Size	13/9/4
Specification Met	ANSI B16.11, ASTM, MSS SP 80
Thread Size	1/2 inch
Thread Type	NPT
Unit Count	1.0 count
Valve Type	Radiator Valve

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R1058

Duties & taxes included

In stock

Sold byAmazon South AfricaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to South Africa.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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