Cool Energy Solar Thermal Expansion Vessel
Cool Energy Solar Thermal Expansion Vessel

  • FEATURES

  • IN THE BOX

  • WARRANTY

  • DELIVERY & RETURNS

  • 🔓 UNLOCK TRADE PRICE

✔ Solar thermal use, manages expansion pressure

✔ Internal bladder, smooth pressure control

✔ Reduces wear, extends system lifespan

✔ 8L or 19L, size-specific options

✔ Compact design, reliable long-term performance

 

The Cool Energy solar thermal expansion vessel, available in 8 litre and 19 litre capacities, is designed to accommodate fluid volume changes in closed solar thermal circuits, helping to maintain balanced pressure as temperatures rise and fall within the system. Fitted with a robust internal bladder this vessel minimises stress on pipes and components, supporting smoother operation and extending the service life of your panels and heat transfer equipment. Supplied in a choice of sizes to suit different array capacities this component offers thoughtful support for refined renewable installations.

✔ 1 x Solar Thermal Expansion Vessel

UK Delivery Once dispatched, we'll send you tracking information so you can follow your order every step of the way. Your order will be delivered to the nearest accessible point at your property boundary — drivers are unable to bring items inside. As this is a heavy item, please have two people available on delivery day. We strongly recommend not booking installers or making any arrangements that depend on a specific delivery date until your order has arrived safely. Estimated delivery date and any associated delivery costs for this product are indicated above the checkout button on this product page. If you would like to clarify this before making your purchase, please give us a call on 020 3740 1246.

Change of mind returns You have 14 days from delivery to notify us of a return by emailing customercare@icecoldspice.com. To process your return, please provide together in one email your order number, whether the return is change of mind, faulty or damaged, clear photos showing the item’s condition and original packaging, and confirmation that the item has not been used or had installation attempted. You then have a further 14 days to return the item. Goods should be returned in their original condition and packaging. Returned items will be inspected and, where an item has been used, installed, damaged or handled beyond what is reasonably necessary, resulting in a reduction in value or resaleability, we reserve the right to make an appropriate deduction from the refund to reflect that loss in value, up to the full purchase price. Any refund due will be issued within 14 days. Rejected deliveries or failed delivery attempts may be treated as change-of-mind returns. Return postage for change-of-mind returns is at your own cost.

Bespoke, made-to-order, and pre-order items These cannot be returned for any reason, unless faulty or not as described. Faulty or incorrect items Please inspect the packaging and item carefully on delivery and report any visible damage before signing for the goods with the driver. We recommend refusing the package if there are visible damages and making this reason clear to the driver. Contact us as soon as possible — and ideally within 48 hours — by emailing customercare@icecoldspice.com with your order number, photos of the item, and a description of the issue. All faulty items are assessed in conjunction with the manufacturer, whose findings will inform the resolution offered.

Faulty or incorrect items Please inspect the packaging and item carefully on delivery and report any visible damage before signing for the goods with the driver. We recommend refusing the package if there are visible damages and making this reason clear to the driver. Contact us as soon as possible — and ideally within 48 hours — by emailing customercare@icecoldspice.com with your order number, photos of the item, and a description of the issue. All faulty items are assessed in conjunction with the manufacturer, whose findings will inform the resolution offered.

For our complete returns policy please click here.

Your statutory rights are not affected.

Are you a trade professional or business customer? Unlock BIG trade benefits including a hidden discount on this product.

✓ Your own private trade discount code, valid for one year
✓ Preferential volume and repeat order rates
✓ Dedicated 1-to-1 WhatsApp support
✓ Bespoke product customisation
✓ Specialist product sourcing

→ Click Here to Unlock Your Free Trade Membership

Cool Energy Solar Thermal Expansion Vessel

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£120.95 
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TRUSTED BY YOU

  • FEATURES

  • IN THE BOX

  • WARRANTY

  • DELIVERY & RETURNS

  • 🔓 UNLOCK TRADE PRICE

✔ Designed for Solar Thermal Circuits — Purpose-built to accommodate fluid volume changes in closed solar thermal systems, the expansion vessel maintains balanced pressure as temperatures rise and fall — protecting the system from the stress that thermal expansion would otherwise cause.

✔ Robust Internal Bladder — Smooth, Consistent Pressure Management — The heavy-duty internal bladder absorbs fluid expansion cleanly and consistently, minimising pressure spikes and reducing stress on pipes, fittings, and connected components throughout the system.

✔ Extends the Service Life of Your Installation — By absorbing thermal expansion at source, the vessel actively reduces wear on panels, heat transfer equipment, and pipework — supporting longer service intervals and a more reliable installation over the long term.

✔ Available in 8 Litre and 19 Litre — Sized for Your Array — Two capacities are available to suit different solar array sizes and system configurations, ensuring the right level of expansion accommodation for every installation without over-specifying or under-protecting.

✔ A Considered Component for a Refined Renewable Installation — Compact, purposeful, and engineered to work quietly in the background — the kind of component that makes the difference between a system that performs and one that truly endures.

✔ 1 x Solar Thermal Expansion Vessel

UK Delivery Once dispatched, we'll send you tracking information so you can follow your order every step of the way. Your order will be delivered to the nearest accessible point at your property boundary — drivers are unable to bring items inside. As this is a heavy item, please have two people available on delivery day. We strongly recommend not booking installers or making any arrangements that depend on a specific delivery date until your order has arrived safely. Estimated delivery date and any associated delivery costs for this product are indicated above the checkout button on this product page. If you would like to clarify this before making your purchase, please give us a call on 020 3740 1246.

Change of mind returns You have 14 days from delivery to notify us of a return by emailing customercare@icecoldspice.com. To process your return, please provide together in one email your order number, whether the return is change of mind, faulty or damaged, clear photos showing the item’s condition and original packaging, and confirmation that the item has not been used or had installation attempted. You then have a further 14 days to return the item. Goods should be returned in their original condition and packaging. Returned items will be inspected and, where an item has been used, installed, damaged or handled beyond what is reasonably necessary, resulting in a reduction in value or resaleability, we reserve the right to make an appropriate deduction from the refund to reflect that loss in value, up to the full purchase price. Any refund due will be issued within 14 days. Rejected deliveries or failed delivery attempts may be treated as change-of-mind returns. Return postage for change-of-mind returns is at your own cost.

Bespoke, made-to-order, and pre-order items These cannot be returned for any reason, unless faulty or not as described. Faulty or incorrect items Please inspect the packaging and item carefully on delivery and report any visible damage before signing for the goods with the driver. We recommend refusing the package if there are visible damages and making this reason clear to the driver. Contact us as soon as possible — and ideally within 48 hours — by emailing customercare@icecoldspice.com with your order number, photos of the item, and a description of the issue. All faulty items are assessed in conjunction with the manufacturer, whose findings will inform the resolution offered.

Faulty or incorrect items Please inspect the packaging and item carefully on delivery and report any visible damage before signing for the goods with the driver. We recommend refusing the package if there are visible damages and making this reason clear to the driver. Contact us as soon as possible — and ideally within 48 hours — by emailing customercare@icecoldspice.com with your order number, photos of the item, and a description of the issue. All faulty items are assessed in conjunction with the manufacturer, whose findings will inform the resolution offered.

For our complete returns policy please click here.

Your statutory rights are not affected.

Are you a trade professional or business customer? Unlock BIG trade benefits including a hidden discount on this product.

✓ Your own private trade discount code, valid for one year
✓ Preferential volume and repeat order rates
✓ Dedicated 1-to-1 WhatsApp support
✓ Bespoke product customisation
✓ Specialist product sourcing

→ Click Here to Unlock Your Free Trade Membership

Additional Information

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12. DELIVERY & RETURNS

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We regularly check to ensure these are clear, fair, and in-line with the industry.

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Fast & Free Delivery

Complimentary standard delivery to all UK mainland addresses. No minimum spend.

Finance Options

Securely pay with all major credit cards, or pay in 3 with PayPal.