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Manifold Extension Coupling Pair

Was £22.99
From Was £22.99
Was £22.99
Now £19.99
From £19.99
Now £19.99
Save £3 Save £3
in stock, ready to be shipped
Manifold Extension Coupling Pair
From Was £22.99
Was £22.99
From £19.99
Now £19.99
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The Manifold Extension Coupling Pair is a versatile component designed to expand the capabilities of your existing heating system. With these 1-inch nickel plated manifold extension couplings, you can easily add extra circuits to your system, providing greater flexibility and efficiency.

Constructed with nickel plated material, these coupling pairs offer excellent durability and corrosion resistance. This ensures that they can withstand the demands of your heating system and maintain their performance over time.

The manifold extension couplings are specifically designed for use with 1-inch manifold systems, allowing for a seamless connection between the existing manifold and the additional circuits. By adding extra circuits, you can effectively distribute the heat to different areas of your space, providing customized comfort and maximizing the efficiency of your heating system.

Whether you're expanding your underfloor heating system or adding radiators to your setup, the manifold extension couplings provide a reliable and convenient solution. With their easy installation process, you can quickly integrate the additional circuits into your existing system, without the need for extensive modifications.

By incorporating the Manifold Extension Coupling Pair into your heating system, you can easily expand its capabilities and adapt it to your changing needs. Experience enhanced comfort and efficiency as you enjoy the benefits of a versatile and flexible heating system.

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Our customer support is available Monday to Friday 7am-6pm.

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Free delivery on all orders

At The Underfloor Heating Store, we strive to make every step of your order as easy and convenient as possible, from finding the right underfloor heating setup to best suit you to taking delivery of your system the very next day.

We're proud to offer a range of delivery options to suit you, including free delivery on all of our orders or next working day delivery for a fixed price of £4.99

  • 2-3 working days delivery - FREE (Order before 4pm Monday - Friday)
  • Next working day - £4.99 (Order before 4pm Monday - Friday, applies to orders over £19.99)
  • Next working day before 10.30am - £14.99 (Order before 4pm Monday - Friday)
  • Saturday delivery - £29.99 (Order before 4pm Monday - Friday)
  • Free collection from our Basildon warehouse in Essex

Explore our full delivery policy

30 days returns policy

At The Underfloor Heating Store, our customers have 30 days to upgrade, replace or refund their orders.


At The Underfloor Heating Store, we want to ensure you are happy with every purchase you make. If you have any issues with your chosen product, whether damaged, faulty or simply an unwanted item, you can simply return what you bought for a refund. Learn more.


We take great care in the delivery of all of our products, however, in the event of your delivery arriving damaged or if you notice a manufacturing fault of any kind within 48 hours of delivery, you're within your rights to a replacement. Learn more.


Within 14 days of purchasing from us, you are eligible to upgrade if you deem you want something a little better. Simply send it back to us brand new and we'll happily assist you with an upgrade to your order. Learn more.

Lifetime warranty

At The Underfloor Heating Store, we are committed to providing our customers with high-quality products and outstanding customer service. That's why we offer a comprehensive warranty on all of our underfloor heating products, with a lifetime warranty for our ProWarm range of products.

Our warranties are designed to give you peace of mind and ensure that your underfloor heating system operates reliably for years to come.

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We'll beat any price

At The Underfloor Heating Store, our main priority is customer satisfaction. To cement our commitment to this, we are proud to offer our Underfloor Heating Price Match Promise. If you find a lower price on an identical product anywhere else, we will match it – guaranteed!

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