Best Radiator Drain Kit of 2026

Last updated on 07/02/2026

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Arctic Hayes Radiator Drain Down Bundle

Arctic Hayes Radiator Drain Down Bundle

Ideal for radiator maintenance.
Complete kit for convenience.
Ensures a mess-free experience.

Main Highlights

This bundle is perfect for draining the water from a radiator before replacing it, during repairs, or when you’re decorating.
FOR PLUMBING PROS & DIY ENTHUSIASTS: This bundle has everything you need in one box: radiator tray to collect any spillage, a work mat to go under the radiator and the tray to ensure maximum floor protection, and even a kneeling pad to protect your knees.
DRAIN RADIATORS FAST, SAFELY AND COMFORTABLY. With this bundle you’ll drain radiators quickly, without mess and in comfort. Great if you’re temporarily removing a radiator while decorating, but also during maintenance, or repairs.
WHAT’S IN THIS BUNDLE? This bundle features the Arctic Hayes Radiator Drain Down Kit with Tray, Diverting Collars, Sealing Straps, Water Resistant Gel and Instructions, a Premium Kneeling Pad, and a Waterproof and Chemical resistant Work Mat.

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Arctic Hayes Radiator Drain Down Bundle

Ideal for radiator maintenance.
Complete kit for convenience.
Ensures a mess-free experience.

Main Highlights

This bundle is perfect for draining the water from a radiator before replacing it, during repairs, or when you’re decorating.
FOR PLUMBING PROS & DIY ENTHUSIASTS: This bundle has everything you need in one box: radiator tray to collect any spillage, a work mat to go under the radiator and the tray to ensure maximum floor protection, and even a kneeling pad to protect your knees.
DRAIN RADIATORS FAST, SAFELY AND COMFORTABLY. With this bundle you’ll drain radiators quickly, without mess and in comfort. Great if you’re temporarily removing a radiator while decorating, but also during maintenance, or repairs.
WHAT’S IN THIS BUNDLE? This bundle features the Arctic Hayes Radiator Drain Down Kit with Tray, Diverting Collars, Sealing Straps, Water Resistant Gel and Instructions, a Premium Kneeling Pad, and a Waterproof and Chemical resistant Work Mat.

Value for Money

Radiator Drain Down Hose Kit 5m – Heavy Duty TPU Rubber, 5 Bar Working Pressure, Includes Bleed Key & 2 Jubilee Clips

Radiator Drain Down Hose Kit 5m – Heavy Duty TPU Rubber, 5 Bar Working Pressure, Includes Bleed Key & 2 Jubilee Clips

Durable blue TPU material.
High pressure ratings ensure safety.
Includes tools for easy use.

Main Highlights

Heavy-duty blue TPU (Thermoplastic Polyurethane)
5 Bar working pressure / 15 Bar burst pressure
Includes radiator bleed key for easy venting
includes 2 jubilee hose clips for secure connection
Ideal for radiator removal, maintenance & heating system draining

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Radiator Drain Down Hose Kit 5m – Heavy Duty TPU Rubber, 5 Bar Working Pressure, Includes Bleed Key & 2 Jubilee Clips

Durable blue TPU material.
High pressure ratings ensure safety.
Includes tools for easy use.

Main Highlights

Heavy-duty blue TPU (Thermoplastic Polyurethane)
5 Bar working pressure / 15 Bar burst pressure
Includes radiator bleed key for easy venting
includes 2 jubilee hose clips for secure connection
Ideal for radiator removal, maintenance & heating system draining

SPI Radiator Maintenance Kit - Plumbtub and QuickBung - with The SPI QuickBung Rubber Radiator Bung and PlumbTub Radiator Draining Tub. Take Your Radiator Maintenance to The Next Level - SEL9233

SPI Radiator Maintenance Kit - Plumbtub and QuickBung - with The SPI QuickBung Rubber Radiator Bung and PlumbTub Radiator Draining Tub. Take Your Radiator Maintenance to The Next Level - SEL9233

Prevents water leakage efficiently.
Fits most standard radiators.
Ensures a perfect seal.

Main Highlights

QuickBung provides a reliable seal to prevent water leakage
QuickBung easily fits into most standard radiators
PlumbTub designed for flexibility and multiple-angle use
PlumbTub flexible flanges ensure a perfect seal every time
The QuickBungs overall dimensions are 13cm X 3cm X 3cm and has a temperature range of -25°C to +90°C.

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SPI Radiator Maintenance Kit - Plumbtub and QuickBung - with The SPI QuickBung Rubber Radiator Bung and PlumbTub Radiator Draining Tub. Take Your Radiator Maintenance to The Next Level - SEL9233

Prevents water leakage efficiently.
Fits most standard radiators.
Ensures a perfect seal.

Main Highlights

QuickBung provides a reliable seal to prevent water leakage
QuickBung easily fits into most standard radiators
PlumbTub designed for flexibility and multiple-angle use
PlumbTub flexible flanges ensure a perfect seal every time
The QuickBungs overall dimensions are 13cm X 3cm X 3cm and has a temperature range of -25°C to +90°C.

Fordle’s 10m Drain Down Hose Kit for Radiator/Heating System Repair Maintenance Servicing – Flexible TPU Rubber with 12mm Bore – Includes Radiator Bleed Key & 2 Connector Clips & 2 Storage Straps

Fordle’s 10m Drain Down Hose Kit for Radiator/Heating System Repair Maintenance Servicing – Flexible TPU Rubber with 12mm Bore – Includes Radiator Bleed Key & 2 Connector Clips & 2 Storage Straps

Compatible with most systems.
High-quality flexible material.
Complete draining kit provided.

Main Highlights

10m Drain Down Hose; Compatible with most radiators/heating systems
Ideal for clean & dry draining of radiators before repair, maintenance or servicing; Everything you need is included in this kit!
Made from High-Quality TPU rubber (Thermoplastic Polyurethane); Flexible & non kink
Included: Drain Down Hose + 2 Connector Jubilee Clips + Brass Radiator Bleed Key + 2 Storage Straps
10m (33 ft) long; 12mm (1/2 inch) bore/inner diameter; 18mm (3/4 inch) outer diameter; Working pressure 5 bar; Bursting pressure 15 bar

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Fordle’s 10m Drain Down Hose Kit for Radiator/Heating System Repair Maintenance Servicing – Flexible TPU Rubber with 12mm Bore – Includes Radiator Bleed Key & 2 Connector Clips & 2 Storage Straps

Compatible with most systems.
High-quality flexible material.
Complete draining kit provided.

Main Highlights

10m Drain Down Hose; Compatible with most radiators/heating systems
Ideal for clean & dry draining of radiators before repair, maintenance or servicing; Everything you need is included in this kit!
Made from High-Quality TPU rubber (Thermoplastic Polyurethane); Flexible & non kink
Included: Drain Down Hose + 2 Connector Jubilee Clips + Brass Radiator Bleed Key + 2 Storage Straps
10m (33 ft) long; 12mm (1/2 inch) bore/inner diameter; 18mm (3/4 inch) outer diameter; Working pressure 5 bar; Bursting pressure 15 bar

Radiator Drain Down Hose Kit 10m – Heavy Duty TPU Rubber, 5 Bar Working Pressure, Includes Bleed Key & 2 Jubilee Clips

Radiator Drain Down Hose Kit 10m – Heavy Duty TPU Rubber, 5 Bar Working Pressure, Includes Bleed Key & 2 Jubilee Clips

Durable blue TPU material.
High burst pressure rating.
Includes essential radiator tools.

Main Highlights

Heavy-duty blue TPU (Thermoplastic Polyurethane)
5 Bar working pressure / 15 Bar burst pressure
Includes radiator bleed key for easy venting
includes 2 jubilee hose clips for secure connection
Ideal for radiator removal, maintenance & heating system draining

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Radiator Drain Down Hose Kit 10m – Heavy Duty TPU Rubber, 5 Bar Working Pressure, Includes Bleed Key & 2 Jubilee Clips

Durable blue TPU material.
High burst pressure rating.
Includes essential radiator tools.

Main Highlights

Heavy-duty blue TPU (Thermoplastic Polyurethane)
5 Bar working pressure / 15 Bar burst pressure
Includes radiator bleed key for easy venting
includes 2 jubilee hose clips for secure connection
Ideal for radiator removal, maintenance & heating system draining

SPI Drain Down Hose Kit, 5-Meter Pipe with 2 Hook and Loop Storage Straps, 2 Hose Clamps, with Anti-Kink Technology for Swift Drainage of Central Heating Systems, Ideal for Radiator Repair

SPI Drain Down Hose Kit, 5-Meter Pipe with 2 Hook and Loop Storage Straps, 2 Hose Clamps, with Anti-Kink Technology for Swift Drainage of Central Heating Systems, Ideal for Radiator Repair

Ample length for flexibility.
Easy and organized storage.
Smooth, uninterrupted flow.

Main Highlights

Optimal Length: The kit includes a 5-meter hose, providing ample length for flexibility and reach during drain-down procedures.
Storage Convenience: Comes with two storage straps and clips, allowing for easy and organized storage when the hose is not in use.
Anti-Kink Technology: Engineered with advanced anti-kink technology, ensuring a smooth and uninterrupted flow during the drain-down process.
Durable Construction: The hose is constructed with durability in mind, offering a reliable solution for repeated use in central heating system maintenance.
Versatile Use: Ideal for various applications, especially during radiator repair and servicing, making it a versatile tool for both professionals and DIY enthusiasts.
Efficient Drainage: Enables fast and efficient drainage, saving time and effort during central heating system maintenance tasks.
Upgrade your toolkit with the SPI Drain Down Hose Kit, and experience the convenience and reliability of a quality drainage solution.

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SPI Drain Down Hose Kit, 5-Meter Pipe with 2 Hook and Loop Storage Straps, 2 Hose Clamps, with Anti-Kink Technology for Swift Drainage of Central Heating Systems, Ideal for Radiator Repair

Ample length for flexibility.
Easy and organized storage.
Smooth, uninterrupted flow.

Main Highlights

Optimal Length: The kit includes a 5-meter hose, providing ample length for flexibility and reach during drain-down procedures.
Storage Convenience: Comes with two storage straps and clips, allowing for easy and organized storage when the hose is not in use.
Anti-Kink Technology: Engineered with advanced anti-kink technology, ensuring a smooth and uninterrupted flow during the drain-down process.
Durable Construction: The hose is constructed with durability in mind, offering a reliable solution for repeated use in central heating system maintenance.
Versatile Use: Ideal for various applications, especially during radiator repair and servicing, making it a versatile tool for both professionals and DIY enthusiasts.
Efficient Drainage: Enables fast and efficient drainage, saving time and effort during central heating system maintenance tasks.
Upgrade your toolkit with the SPI Drain Down Hose Kit, and experience the convenience and reliability of a quality drainage solution.

Arctic Hayes DT1 1 x Reusable Radiator Drain Down Kit with Tray, Diverting Collars, Sealing Straps, Water Resistant Gel and Instructions, Yellow

Arctic Hayes DT1 1 x Reusable Radiator Drain Down Kit with Tray, Diverting Collars, Sealing Straps, Water Resistant Gel and Instructions, Yellow

Perfect for plumbing professionals and DIYers.
Comprehensive kit with detailed instructions.
Easy, mess-free radiator draining process.

Main Highlights

FOR PLUMBING PROS & DIY ENTHUSIASTS: This kit is perfect to help you drain the water from a radiator before replacing it or when you’re decorating. Suitable for professional plumbers and DIYers alike.
GREAT VALUE: This Reusable Kit contains everything you need including clear, step-by-step instructions, to drain a radiator. If you have more than one radiator to drain at the same time, you may need multiple kits.
EASY TO USE: Place the draining tray under the radiator, fit the correct size diverting collar to the pipe. Seal the collar with the water barrier gel and, once it's correctly positioned and secured around the pipe, proceed slowly to loosen the radiator union valve to release the water.
PLEASE NOTE: Switch off the central heating and leave the radiators to cool down completely before attempting to drain any radiators. Protect your floors with worksheets to reduce the risk of accidental damage due to water spillages during the draining process.
IN THIS KIT: 1 x Draining Tray; 4 x Water Diverting Collars; 4 x Reusable Sealing Straps; 1 x Water-Resistant Barrier Gel (6-8 applications); Step-by-Step Detailed Instructions. This Radiator Draining Kit can be used for 8, 10, 15 and 22mm pipes.

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Arctic Hayes DT1 1 x Reusable Radiator Drain Down Kit with Tray, Diverting Collars, Sealing Straps, Water Resistant Gel and Instructions, Yellow

Perfect for plumbing professionals and DIYers.
Comprehensive kit with detailed instructions.
Easy, mess-free radiator draining process.

Main Highlights

FOR PLUMBING PROS & DIY ENTHUSIASTS: This kit is perfect to help you drain the water from a radiator before replacing it or when you’re decorating. Suitable for professional plumbers and DIYers alike.
GREAT VALUE: This Reusable Kit contains everything you need including clear, step-by-step instructions, to drain a radiator. If you have more than one radiator to drain at the same time, you may need multiple kits.
EASY TO USE: Place the draining tray under the radiator, fit the correct size diverting collar to the pipe. Seal the collar with the water barrier gel and, once it's correctly positioned and secured around the pipe, proceed slowly to loosen the radiator union valve to release the water.
PLEASE NOTE: Switch off the central heating and leave the radiators to cool down completely before attempting to drain any radiators. Protect your floors with worksheets to reduce the risk of accidental damage due to water spillages during the draining process.
IN THIS KIT: 1 x Draining Tray; 4 x Water Diverting Collars; 4 x Reusable Sealing Straps; 1 x Water-Resistant Barrier Gel (6-8 applications); Step-by-Step Detailed Instructions. This Radiator Draining Kit can be used for 8, 10, 15 and 22mm pipes.

Heatlab The Ultimate Bung Set Plumbing Tools – Rubber Bung Radiator Draining Kit with 15 mm & 22 mm Bungs + DripStopper & Storage Bag – Header Tank Plumbing Tools and Equipment

Heatlab The Ultimate Bung Set Plumbing Tools – Rubber Bung Radiator Draining Kit with 15 mm & 22 mm Bungs + DripStopper & Storage Bag – Header Tank Plumbing Tools and Equipment

Universal fit for all systems.
Durable design prevents slipping.
Portable storage for easy transport.

Main Highlights

ELIMINATE SYSTEM DRAINING - SAVE TIME: Includes 15 mm and 22 mm silicone bungs plus the DripStopper — change radiator valves fast without emptying the system.
HIGH GRIP RUBBER BUNGS THAT STAY PUT! Made from durable silicone with more grip than standard rubber bungs stoppers—no slipping, no leaks.
MESS FREE VALVE CHANGES/RADIATOR VALVE CHANGES WITH THE DRIPSTOPPER The DripStopper doubles as a back bung and sludge catcher—keep your workspace clean, reduce downtime.
PRO STORAGE BAG INCLUDED Organise and protect your plumbing tools and equipment—no more loose bungs in the van.
DESIGNED BY HEATING ENGINEERS From Heatlab, a UK heating tools brand built on 20+ years’ hands-on experience in plumbing and heating.

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Heatlab The Ultimate Bung Set Plumbing Tools – Rubber Bung Radiator Draining Kit with 15 mm & 22 mm Bungs + DripStopper & Storage Bag – Header Tank Plumbing Tools and Equipment

Universal fit for all systems.
Durable design prevents slipping.
Portable storage for easy transport.

Main Highlights

ELIMINATE SYSTEM DRAINING - SAVE TIME: Includes 15 mm and 22 mm silicone bungs plus the DripStopper — change radiator valves fast without emptying the system.
HIGH GRIP RUBBER BUNGS THAT STAY PUT! Made from durable silicone with more grip than standard rubber bungs stoppers—no slipping, no leaks.
MESS FREE VALVE CHANGES/RADIATOR VALVE CHANGES WITH THE DRIPSTOPPER The DripStopper doubles as a back bung and sludge catcher—keep your workspace clean, reduce downtime.
PRO STORAGE BAG INCLUDED Organise and protect your plumbing tools and equipment—no more loose bungs in the van.
DESIGNED BY HEATING ENGINEERS From Heatlab, a UK heating tools brand built on 20+ years’ hands-on experience in plumbing and heating.

Fordle’s 5m Drain Down Hose Kit for Radiator/Heating System Repair Maintenance Servicing – Flexible TPU Rubber with 12mm Bore – Includes Radiator Bleed Key & 2 Connector Clips & 2 Storage Straps

Fordle’s 5m Drain Down Hose Kit for Radiator/Heating System Repair Maintenance Servicing – Flexible TPU Rubber with 12mm Bore – Includes Radiator Bleed Key & 2 Connector Clips & 2 Storage Straps

Compatible with most heating systems.
All-inclusive, high-quality maintenance kit.
Flexible and non-kinking design.

Main Highlights

5m Drain Down Hose; Compatible with most radiators/heating systems
Ideal for clean & dry draining of radiators before repair, maintenance or servicing; Everything you need is included in this kit!
Made from High-Quality TPU rubber (Thermoplastic Polyurethane); Flexible & non kink
Included: Drain Down Hose + 2 Connector Jubilee Clips + Brass Radiator Bleed Key + 2 Storage Straps
5m (16.4 ft) long; 12mm (1/2 inch) bore/inner diameter; 18mm (3/4 inch) outer diameter; Working pressure 5 bar; Bursting pressure 15 bar

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Fordle’s 5m Drain Down Hose Kit for Radiator/Heating System Repair Maintenance Servicing – Flexible TPU Rubber with 12mm Bore – Includes Radiator Bleed Key & 2 Connector Clips & 2 Storage Straps

Compatible with most heating systems.
All-inclusive, high-quality maintenance kit.
Flexible and non-kinking design.

Main Highlights

5m Drain Down Hose; Compatible with most radiators/heating systems
Ideal for clean & dry draining of radiators before repair, maintenance or servicing; Everything you need is included in this kit!
Made from High-Quality TPU rubber (Thermoplastic Polyurethane); Flexible & non kink
Included: Drain Down Hose + 2 Connector Jubilee Clips + Brass Radiator Bleed Key + 2 Storage Straps
5m (16.4 ft) long; 12mm (1/2 inch) bore/inner diameter; 18mm (3/4 inch) outer diameter; Working pressure 5 bar; Bursting pressure 15 bar

Plumb Tub - SPI Radiator Draining Tub - Supplied in SPI Green

Plumb Tub - SPI Radiator Draining Tub - Supplied in SPI Green

Can access hard-to-reach areas.
Bends for different angles use.
Ensures perfect seal every time.

Main Highlights

Simple, flexible and versatile The plumbtub can be used in all those nooks and crannies that traditional tubs won't reach.
The plumbtub is bendy and flexible, meaning it can be used at many different angles and can even catch water from horizontal pipes.
The flexible flanges create a perfect seal every time.
Suitable for use on 10, 12, 15 & 22mm pipes.
Holds 1.4 litres of water.

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Plumb Tub - SPI Radiator Draining Tub - Supplied in SPI Green

Can access hard-to-reach areas.
Bends for different angles use.
Ensures perfect seal every time.

Main Highlights

Simple, flexible and versatile The plumbtub can be used in all those nooks and crannies that traditional tubs won't reach.
The plumbtub is bendy and flexible, meaning it can be used at many different angles and can even catch water from horizontal pipes.
The flexible flanges create a perfect seal every time.
Suitable for use on 10, 12, 15 & 22mm pipes.
Holds 1.4 litres of water.

We scanned 1785 products

We reviewed these offers relevant to the Radiator Drain Kit within online retailers such as Amazon, eBay and other local retailers, ensuring we covered all major brands and models. The products we selected come from trusted brands like Arctic Hayes, X, SPI, Fordle's, Heatlab, all of which have a reputation for consistently delivering high-quality products that users love and innovative approaches for function & design.

For the best Radiator Drain Kit in the market, we considered we took a deep dive into 8926 online reviews , focusing on elements like user satisfaction, performance in real-world conditions, and long-term reliability. Our ranking also evaluates each review’s relevancy, authenticity, up-to-dateness and depth so that the comparison is more sound.

We concluded that:

The clear winner of our analysis is Arctic Hayes Radiator Drain Down Bundle. We love many things about this product by Arctic Hayes. What sets it apart from the competition is Ideal for radiator maintenance. , Complete kit for convenience. , Ensures a mess-free experience. .
The best value product for most shoppers and where user satisfaction is continuously the highest is Radiator Drain Down Hose Kit 5m – Heavy Duty TPU Rubber, 5 Bar Working Pressure, Includes Bleed Key & 2 Jubilee Clips by X based on online reviews by bloggers, experts and online shoppers.
The biggest bargain at the moment for Radiator Drain Kit and the best cost-to-value ratio is Arctic Hayes DT1 1 x Reusable Radiator Drain Down Kit with Tray, Diverting Collars, Sealing Straps, Water Resistant Gel and Instructions, Yellowat Arctic Hayes with a 33% discount.
Our list of the best Radiator Drain Kit is updated regularly to reflect new releases and changes in product availability, so be sure to check back often for the latest rankings and discounts.