Radiator Valves

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Kartell Design Twin Pack Angled Thermostatic Radiator Valve Anthracite

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£56.00 each (Inc VAT)

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£46.67 each (Ex VAT)

The K-Rad Design Twin angled TRV is a radiator piece manufactured from high-quality stainless-steel material. The sleek design is the best quality radiator valve to have in your home, and the anthracite matte finish also adds a unique addition to your...

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£56.00 each (Inc VAT)

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£46.67 each (Ex VAT)
Kartell 15mm Angled Radiator Valve Anthracite Pair

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£27.00 each (Inc VAT)

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£22.50 each (Ex VAT)

This pair of K-Rad angled radiator valves are a high-quality radiator piece, which are compatible with both floor and wall mounted pipes. They also have a thermostatic control for easy adjustment of heat output and a standard 15mm connection. The...

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£27.00 each (Inc VAT)

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£22.50 each (Ex VAT)
Kartell 15mm Angled Radiator Valve Black Pair

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£27.00 each (Inc VAT)

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£22.50 each (Ex VAT)

This pair of K-Rad Angled radiator valves are a high-quality radiator part which delivers an impressive component and combines both a dependable build with a fine modern look. They also have a thermostatic control for easy adjustment of heat output and a...

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£27.00 each (Inc VAT)

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£22.50 each (Ex VAT)
Kartell 15mm Straight Radiator Valve Anthracite Pair

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£27.00 each (Inc VAT)

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£22.50 each (Ex VAT)

This pair of K-Rad straight radiator valves are a high-quality radiator piece, which are compatible with both floor and wall mounted pipes. They also have a thermostatic control for easy adjustment of heat output and a standard 15mm connection. The...

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£27.00 each (Inc VAT)

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£22.50 each (Ex VAT)
Kartell 15mm Straight Radiator Valve Black Pair

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£27.00 each (Inc VAT)

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£22.50 each (Ex VAT)

This pair of K-Rad Straight radiator valves are a high-quality radiator piece which delivers an impressive component and combines both a dependable build with a fine modern look. They also have a thermostatic control for easy adjustment of heat output...

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£27.00 each (Inc VAT)

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£22.50 each (Ex VAT)
Kartell Angled Thermostatic Radiator Valve Style Design

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£9.00 each (Inc VAT)

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£7.50 each (Ex VAT)

With a sleek chrome finish, the Style Angled TRV valve provides the perfect finishing touch to your contemporary radiator or heated towel rail. Benefitting from durable solid brass construction, the valves will ensure that your appliance has a...

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£9.00 each (Inc VAT)

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£7.50 each (Ex VAT)
Kartell Design Twin Pack Angled Thermostatic Radiator Valve Black

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£56.00 each (Inc VAT)

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£46.67 each (Ex VAT)

The K-Rad angled Design Twin TRV is a stylish and modern radiator part which is supplied in a pair. It has a very high-quality finish construction and a beautiful sleek black finish, which will no doubt encourage lots of compliments from guests.

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£56.00 each (Inc VAT)

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£46.67 each (Ex VAT)
Kartell Design Twin Pack Angled Thermostatic Radiator Valve Brushed Brass

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£59.34 each (Inc VAT)

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£49.45 each (Ex VAT)

The K-Rad angled Design Twin TRV is a stylish and modern radiator part which is supplied in a pair. It has a very high-quality finish construction and a beautiful sleek brushed brass finish, which will no doubt encourage lots of compliments from guests.

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£59.34 each (Inc VAT)

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£49.45 each (Ex VAT)
Kartell Design Twin Pack Angled Thermostatic Radiator Valve Brushed Nickel

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£59.34 each (Inc VAT)

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£49.45 each (Ex VAT)

This pair of K-Rad Angled Design Twin TRV are a stylish and modern radiator part. They have a very high-quality finish construction and a beautiful sleek brushed nickle finish, which will no doubt encourage lots of compliments from guests.

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£59.34 each (Inc VAT)

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£49.45 each (Ex VAT)
Kartell Design Twin Pack Angled Thermostatic Radiator Valve Chrome

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£56.00 each (Inc VAT)

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£46.67 each (Ex VAT)

This pair of K-Rad Angled Design Twin TRV are a stylish and modern radiator part. They have a very high-quality finish construction and a beautiful sleek chrome finish, which will no doubt encourage lots of compliments from guests.

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£56.00 each (Inc VAT)

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£46.67 each (Ex VAT)
Kartell Design Twin Pack Angled Thermostatic Radiator Valve White

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£56.00 each (Inc VAT)

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£46.67 each (Ex VAT)

This pair of K-Rad Angled Design Twin TRV are a stylish and modern radiator part. They have a very high-quality finish construction and a beautiful sleek white finish, which will no doubt encourage lots of compliments from guests.

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£56.00 each (Inc VAT)

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£46.67 each (Ex VAT)
Kartell Design Twin Pack Corner Thermostatic Radiator Valve Anthracite

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£62.66 each (Inc VAT)

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£52.22 each (Ex VAT)

The K-Rad Design Twin corner TRV is a radiator piece manufactured from high-quality stainless-steel material. The sleek design is the best quality radiator valve to have in your home, and the anthracite matte finish also adds a unique addition to your...

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£62.66 each (Inc VAT)

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£52.22 each (Ex VAT)
Kartell Design Twin Pack Corner Thermostatic Radiator Valve Black

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£62.66 each (Inc VAT)

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£52.22 each (Ex VAT)

The K-Rad corner Design Twin TRV is a stylish and modern radiator part which is supplied in a pair. It has a very high-quality finish construction and a beautiful sleek black finish, which will no doubt encourage lots of compliments from guests.

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£62.66 each (Inc VAT)

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£52.22 each (Ex VAT)
Kartell Design Twin Pack Corner Thermostatic Radiator Valve Brushed Brass

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£66.66 each (Inc VAT)

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£55.55 each (Ex VAT)

This pair of K-Rad Corner Design Twin TRV are a stylish and modern radiator part. They have a very high-quality finish construction and a beautiful sleek brushed brass finish, which will no doubt encourage lots of compliments from guests.

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£66.66 each (Inc VAT)

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£55.55 each (Ex VAT)
Kartell Design Twin Pack Corner Thermostatic Radiator Valve Brushed Nickel

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£66.66 each (Inc VAT)

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£55.55 each (Ex VAT)

This pair of K-Rad Corner Design Twin TRV are a stylish and modern radiator part. They have a very high-quality finish construction and a beautiful sleek brushed nickle finish, which will no doubt encourage lots of compliments from guests.

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£66.66 each (Inc VAT)

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£55.55 each (Ex VAT)
Kartell Design Twin Pack Corner Thermostatic Radiator Valve Chrome

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£62.66 each (Inc VAT)

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£52.22 each (Ex VAT)

This pair of K-Rad Corner Design Twin TRV are a stylish and modern radiator part. They have a very high-quality finish construction and a beautiful sleek chrome finish, which will no doubt encourage lots of compliments from guests.

WAS: each

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£62.66 each (Inc VAT)

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£52.22 each (Ex VAT)
Kartell Design Twin Pack Corner Thermostatic Radiator Valve White

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£62.66 each (Inc VAT)

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£52.22 each (Ex VAT)

This pair of K-Rad Corner Design Twin TRV are a stylish and modern radiator part. They have a very high-quality finish construction and a beautiful sleek white finish, which will no doubt encourage lots of compliments from guests.

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£62.66 each (Inc VAT)

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£52.22 each (Ex VAT)
Kartell Design Twin Pack Straight Thermostatic Radiator Valve Anthracite

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£59.34 each (Inc VAT)

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£49.45 each (Ex VAT)

The K-Rad Design Twin straight TRV is a radiator piece manufactured from high-quality stainless-steel material. The sleek design is the best quality radiator valve to have in your home, and the anthracite matte finish also adds a unique addition to your...

WAS: each

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£59.34 each (Inc VAT)

WAS: each

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£49.45 each (Ex VAT)
Kartell Design Twin Pack Straight Thermostatic Radiator Valve Black

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£59.34 each (Inc VAT)

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£49.45 each (Ex VAT)

The K-Rad straight Design Twin TRV is a stylish and modern radiator part which is supplied in a pair. It has a very high-quality finish construction and a beautiful sleek black finish, which will no doubt encourage lots of compliments from guests.

WAS: each

WAS

£59.34 each (Inc VAT)

WAS: each

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£49.45 each (Ex VAT)
Kartell Design Twin Pack Straight Thermostatic Radiator Valve Chrome

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£59.34 each (Inc VAT)

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£49.45 each (Ex VAT)

This pair of K-Rad Straight Design Twin TRV are a stylish and modern radiator part. They have a very high-quality finish construction and a beautiful sleek chrome finish, which will no doubt encourage lots of compliments from guests.

WAS: each

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£59.34 each (Inc VAT)

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£49.45 each (Ex VAT)
Kartell Design Twin Pack Straight Thermostatic Radiator Valve White

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£59.34 each (Inc VAT)

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£49.45 each (Ex VAT)

This pair of K-Rad Straight Design Twin TRV are a stylish and modern radiator part. They have a very high-quality finish construction and a beautiful sleek white finish, which will no doubt encourage lots of compliments from guests.

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£59.34 each (Inc VAT)

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£49.45 each (Ex VAT)
Kartell Nostalgia 15mm Angled Thermostatic Radiator Valve

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£56.00 each (Inc VAT)

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£46.67 each (Ex VAT)

These amazing Nostalgia 15mm angled TRV radiator valves offer a unique design to add character to your choice of radiator. This valve works practically well with the class radiator range. It is also finished in a nostalgia bronze colour, which will no...

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£56.00 each (Inc VAT)

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£46.67 each (Ex VAT)
Kartell Straight Thermostatic Radiator Valve Style Design

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£9.00 each (Inc VAT)

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£7.50 each (Ex VAT)

With a sleek chrome finish, the Style Straight TRV valve provides the perfect finishing touch to your contemporary radiator or heated towel rail. Benefitting from durable solid brass construction, the valves will ensure that your appliance has a...

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£9.00 each (Inc VAT)

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£7.50 each (Ex VAT)
Kartell Traditional Radiator Valve Chrome

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£30.66 each (Inc VAT)

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£25.55 each (Ex VAT)

The traditional K-Rad radiator valve adds a traditional look to period-inspired home due to its quintessential chrome finish, with a bright, polished appearance that is sure to accentuate the authentic, vintage features on many traditional radiators...

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£30.66 each (Inc VAT)

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£25.55 each (Ex VAT)

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Radiator valves are a vital part of any heating system, helping you maintain comfort and efficiency at home. With options such as thermostatic radiator valves (TRVs), you can easily control the temperature of each radiator individually for a tailored heating experience.

Types of radiator valves

Straight Radiator Valves: Ideal for pipework that comes directly from the floor. These valves connect in a straight line, offering a neat and practical finish.
Angled Radiator Valves: The most common choice, angled valves connect at 90 degrees to help conceal pipework for a tidy look.
Corner Radiator Valves: A stylish option where the valve faces inward toward the wall, creating a discreet appearance.
Black Radiator Valves: A bold, contemporary choice that pairs perfectly with modern interiors and contrasts beautifully with lighter radiators.

Maintaining your radiator valves

To keep your radiator valves efficient and long-lasting, regular maintenance is key. Using a radiator bleed valve helps release trapped air, ensuring your heating system runs smoothly and avoids cold spots.

Why choose thermostatic radiator valves (TRVs)?

Thermostatic radiator valves automatically regulate hot water flow based on room temperature. This maintains consistent comfort while reducing energy waste, preventing overheating, and lowering energy costs.

Whether you need angled radiator valves, corner radiator valves, or advanced TRVs, our expert team can help you make the right choice. Visit your local Howarth branch for tailored advice or explore our full range online.

Control your home’s heating with confidence and style using high-quality radiator valves from Howarth.

Frequently Asked Questions

How do I change a radiator valve?

To change a radiator valve, you will need to first switch off the heating and water system, and then locate the drain off. After that, you will need to remove the old radiator valve to be able to fit the new radiator valve. That is when you can turn the mains water back on, to be able to finish by bleeding the radiator.

How do thermostatic radiator valves work?

Thermostatic valve head goes on top of the valve body, and then as the room temperature changes, the valve head expands, adjusting a pin in the valve body so that it opens or closes.

What are the two valves on a radiator for?

One of the valves accounts for hot water that enters the radiator. The other valve, referred to as the lockshield valve, balances the system by regulating how much heat the radiator gives off.

What side of the radiator is the lockshield valve?

The lockshield valve is located on the side of the radiator opposite the on/off valve.

How to change a radiator valve without draining the system?

To change a radiator valve without draining the whole system, start by turning the heating and water off, then protect the floor around the radiator under the valves to catch any excess water. After that, prepare the radiator valves by removing the nuts and adaptors on the new valve and smear it with the PFTE tape that joins to the radiator. Next, release the stored pressure, then open the old valve on the flow pipe. Once the thermostatic valve or manual is open, release the pressure, drain the radiator and remove the old thermostatic valve. Finally, you can attach the new thermostatic valve or manual valve, remove the old lockshield valve, and connect the new lockshield valve to finish.