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World Heat Cylinders · 0161 343 8610 · sales@whcylinders.co.uk
Domestic · Pre-plumbed cylinder
Packaged Hot Water Cylinders
Factory-assembled, pre-plumbed cylinders — including heat pump packages for LG, Mitsubishi Ecodan and Samsung — to cut installation time on site.
- S-Cyl for Samsung, E-Cyl for Mitsubishi Electric Ecodan and V-Cyl for LG heat pumps
- U-Cyl and U-Cyl+ for any air source heat pump (the U-Cyl+ adds an electrical control box with relays)
- Integrated stainless steel buffer in every model
- Standard and 475 mm slimline models
- 25 year guarantee on stainless steel unvented cylinders up to 300 litres, subject to annual servicing
Lead time (ready for dispatch)
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Need it sooner? Call us — we can often expedite.
What’s included Specifications Datasheets & downloads
Made in Manchester- ISO 9001
- WRAS
- G3
What’s included
Supplied with every cylinder
Our pre-plumbed heat pump packages arrive with the unvented safety controls, pump, valves, filter and immersion heaters already fitted, wired and tested, as in the picture. The expansion vessel and flow setter come loose for fitting on site.
- Unvented safety controls, fittedMains inlet pressure regulator, expansion relief valve and T&P valve
- Potable expansion vesselSupplied loose
- System circulating pumpGrundfos UPM3, A rated
- Heating zone valve and hot water diverter valveHoneywell 28 mm two-port and three-port
- 28 mm magnetic filter
- 3 kW immersion heatersWith a 90 °C mechanical high-limit thermostat
- Pre-wired for the heat pump’s controls
- 28 mm flow setterSupplied loose
Exact kit contents can vary with the cylinder size; we confirm them on your quotation.
About our unvented kits and spare partsTechnical data
Specifications
V-Cyl pre-plumbed heat pump cylinder for LG (550 mm)
| Capacity (litres) | 150 | 180 | 210 | 250 | 300 |
|---|---|---|---|---|---|
| Height (mm) | 1424 | 1550 | 1738 | 1988 | 1994 |
| Width (mm) | 550 | 550 | 550 | 550 | 600 |
| Depth (mm) | 700 | 700 | 700 | 700 | 750 |
| Integrated buffer (L) | 50 | 50 | 50 | 50 | 50 |
| Reheat time (mins) | 35–45 | 35–45 | 35–45 | 35–45 | 35–45 |
| Coil surface area (m²) | 2.29 | 2.29 | 3.31 | 3.31 | 3.31 |
| Standing heat loss (W) | 64.58 | 71.25 | 78.75 | 87.5 | 92.5 |
| ErP class | C | C | C | C | C |
V-Cyl Slim pre-plumbed heat pump cylinder for LG (475 mm)
| Capacity (litres) | 150 | 180 |
|---|---|---|
| Height (mm) | 1824 | 2040 |
| Width (mm) | 475 | 475 |
| Depth (mm) | 600 | 600 |
| Integrated buffer (L) | 30 | 30 |
| Reheat time (mins) | 35–45 | 35–45 |
| Coil surface area (m²) | 2.29 | 2.29 |
| Standing heat loss (W) | 69.17 | 74.58 |
| ErP class | C | C |
E-Cyl pre-plumbed heat pump cylinder for Mitsubishi Ecodan (550 mm)
| Capacity (litres) | 150 | 180 | 210 | 250 | 300 |
|---|---|---|---|---|---|
| Height (mm) | 1424 | 1550 | 1738 | 1988 | 1994 |
| Width (mm) | 550 | 550 | 550 | 550 | 600 |
| Depth (mm) | 700 | 700 | 700 | 700 | 750 |
| Integrated buffer (L) | 50 | 50 | 50 | 50 | 50 |
| Reheat time (mins) | 35–45 | 35–45 | 35–45 | 35–45 | 35–45 |
| Coil surface area (m²) | 2.29 | 2.29 | 3.31 | 3.31 | 3.31 |
| Standing heat loss (W) | 64.58 | 71.25 | 78.75 | 87.5 | 92.5 |
| ErP class | C | C | C | C | C |
E-Cyl Slimline pre-plumbed heat pump cylinder for Mitsubishi Ecodan (475 mm)
| Capacity (litres) | 150 | 180 |
|---|---|---|
| Height (mm) | 1824 | 2040 |
| Width (mm) | 475 | 475 |
| Depth (mm) | 600 | 600 |
| Integrated buffer (L) | 30 | 30 |
| Reheat time (mins) | 35–45 | 35–45 |
| Coil surface area (m²) | 2.29 | 2.29 |
| Standing heat loss (W) | 69.17 | 74.58 |
| ErP class | C | C |
S-Cyl pre-plumbed heat pump cylinder for Samsung (550 mm)
| Capacity (litres) | 150 | 180 | 210 | 250 | 300 |
|---|---|---|---|---|---|
| Height (mm) | 1424 | 1550 | 1738 | 1988 | 1994 |
| Width (mm) | 550 | 550 | 550 | 550 | 600 |
| Depth (mm) | 700 | 700 | 700 | 700 | 750 |
| Integrated buffer (L) | 50 | 50 | 50 | 50 | 50 |
| Reheat time (mins) | 35–45 | 35–45 | 35–45 | 35–45 | 35–45 |
| Coil surface area (m²) | 2.29 | 2.29 | 3.31 | 3.31 | 3.31 |
| Standing heat loss (W) | 64.58 | 71.25 | 78.75 | 87.5 | 92.5 |
| ErP class | C | C | C | C | C |
S-Cyl Slimline pre-plumbed heat pump cylinder for Samsung (475 mm)
| Capacity (litres) | 150 | 180 |
|---|---|---|
| Height (mm) | 1824 | 2040 |
| Width (mm) | 475 | 475 |
| Depth (mm) | 625 | 625 |
| Integrated buffer (L) | 30 | 30 |
| Reheat time (mins) | 35–45 | 35–45 |
| Coil surface area (m²) | 2.29 | 2.29 |
| Standing heat loss (W) | 69.17 | 74.58 |
| ErP class | C | C |
Figures are from our current product data; each range’s product information sheet is linked under its table. Connection positions are confirmed on the drawing for each order. Other sizes and configurations are built to order.
Must be installed by a qualified unvented (G3) installer and registered with building control.
Want pre-plumbed and wired cylinders built to your heat pump and controls, to sell under your own brand?
Own-label and OEM rangesDocuments
Datasheets & downloads
Datasheets
E-Cyl pre-plumbed cylinder for Mitsubishi Ecodan product information sheetPDF · 755 KB (opens in a new tab)
E-Cyl Slimline pre-plumbed cylinder for Mitsubishi Ecodan product information sheetPDF · 811 KB (opens in a new tab)
S-Cyl pre-plumbed cylinder for Samsung product information sheetPDF · 748 KB (opens in a new tab)
U-Cyl Plus universal pre-plumbed cylinder product information sheetPDF · 735 KB (opens in a new tab)
U-Cyl universal pre-plumbed cylinder product information sheetPDF · 722 KB (opens in a new tab)
V-Cyl pre-plumbed cylinder for LG product information sheetPDF · 761 KB (opens in a new tab)
Packaged CylindersPDF · 737 KB (opens in a new tab)- 11068841672 world heat cylinders e cyl spec sheet st2PDF · 2.3 MB (opens in a new tab)
- 11068841672 world heat cylinders v cyl spec sheet st2PDF · 2.2 MB (opens in a new tab)
ErP labels & data
Certificates
Brochures
Can’t find a document? Search the downloads library, browse all product datasheets and manuals, or email sales@whcylinders.co.uk.
In detail
About Packaged Cylinders
World Heat Cylinders offers a wide variety of packaged hot water cylinders meticulously designed to suit specific project requirements. These pre-assembled and factory-tested units significantly reduce on-site installation time, minimise overall project costs, enhance the quality and integrity of the installation, and help eliminate costly call-backs. Our packaged solutions are ideal for projects where speed, consistency, and reliability are paramount.
Key Benefits of Choosing World Heat Cylinders Packaged Solutions:
- Reduced Installation Time: Factory-fitted components mean less time spent on site for plumbing and wiring.
- Cost Savings: Lower labour costs and reduced potential for on-site errors contribute to overall project savings.
- Enhanced Quality & Integrity: Manufacturing and testing in a controlled factory environment ensures a higher quality, leak-free build compared to assembling individual components on site.
- Guaranteed Compatibility: All components are selected and assembled to work seamlessly together.
- Simplified Specification: Easier for specifiers to select a complete, compliant solution.
- Reduced On-Site Waste: Less packaging and material waste on the construction site.
As an ISO9001 certified company, World Heat Cylinders adheres to high levels of quality control and rigorous testing procedures. All our packaged hot water cylinders are also CE certified, complying with European safety standards, giving you complete peace of mind.
Tailored & OEM Packaged Cylinder Solutions:
World Heat Cylinders works closely with various equipment manufacturers and specifiers to create bespoke OEM packaged cylinders. These are designed specifically to integrate with their products and meet unique customer requirements. If you have a specific requirement for a custom packaged cylinder, or wish to explore an OEM partnership, please contact our design department. Our technical team will be delighted to discuss your project in greater detail and develop a solution tailored to your needs.
For more general information, you can also Download our Packaged Cylinders Product Information Sheet (opens in a new tab).
Specify Your Packaged Hot Water Cylinder Solution
Ready to streamline your next project with a bespoke packaged hot water cylinder solution from World Heat Cylinders? Our technical experts are available to discuss your specific project needs, from standard configurations to fully customised OEM designs.
Contact our sales team today on 0161 343 8610, email sales@whcylinders.co.uk, or visit our contact page to get started.
Help choosing and specifying
Guides and tools
- Pre-plumbed heat pump cylinder selectorThe package to suit your heat pump make and model
- Heat pump cylinders: what to look forCoil size, storage temperature and sizing explained
- Heat pump cylinder sizingWhich cylinder to fit for the home and the heat pump
- Will it fit? Cylinder space checkerEvery cylinder that fits your cupboard or plant space
Need this tailored to your project or system?
Different connections, coil, size, controls or finish: our design team builds to your requirements.
We also build own-brand ranges for OEM partners.
Need a cylinder built to your specification?
From 10 litres to 10,000 litres, our Manchester team designs, manufactures and tests every vessel in-house. We confirm and respond to every bespoke enquiry within 48 hours, and standard range enquiries immediately. If you need a price on a standard product, don’t hesitate to call and speak to one of our team on 0161 343 8610.We confirm and respond to every bespoke enquiry within 48 hours, and standard range enquiries immediately. If you need a price on a standard product, don’t hesitate to call and speak to one of our team on 0161 343 8610.We confirm and respond to every bespoke enquiry within 48 hours, and standard range enquiries immediately. If you need a price on a standard product, don’t hesitate to call and speak to one of our team on 0161 343 8610.