Technical downloads
The installation and O&M manuals and datasheets we publish today, by product, free to download with no login. Pick your product or search by name. Need something that isn’t here yet? Ask us and we’ll send it over.
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85 files for 15 products
Domestic · Unvented cylinder
Stainless SuperFlow
SuperFlow installation & service manualInstallation manual · PDF · 1.3 MB · Updated 13 Oct 2026 (opens in a new tab)- Domestic unvented cylinder installer manual (120–300 L)Installation manual · PDF · 1.3 MB · Updated 13 Oct 2026 (opens in a new tab)
Stainless SuperFlow Indirect cylinder product information sheetDatasheet · PDF · 657 KB · Updated 14 Oct 2026 (opens in a new tab)
Stainless SuperFlow Indirect Slimline cylinder product information sheetDatasheet · PDF · 657 KB · Updated 14 Oct 2026 (opens in a new tab)
Stainless SuperFlow Direct cylinder product information sheetDatasheet · PDF · 675 KB · Updated 14 Oct 2026 (opens in a new tab)
Stainless SuperFlow Direct Slimline cylinder product information sheetDatasheet · PDF · 673 KB · Updated 14 Oct 2026 (opens in a new tab)
Technical brochureBrochure · PDF · 8.8 MB · Updated 16 Oct 2026 (opens in a new tab)
Sales brochureBrochure · PDF · 5.6 MB · Updated 16 Oct 2026 (opens in a new tab)
Domestic · Unvented cylinder
Twin Coil Superflow
SuperFlow Twin Coil installation & service manualInstallation manual · PDF · 1.3 MB · Updated 13 Oct 2026 (opens in a new tab)- Domestic unvented cylinder installer manual (120–300 L)Installation manual · PDF · 1.3 MB · Updated 13 Oct 2026 (opens in a new tab)
SuperFlow Twin Coil cylinder product information sheetDatasheet · PDF · 668 KB · Updated 14 Oct 2026 (opens in a new tab)
SuperFlow Twin Coil Slimline cylinder product information sheetDatasheet · PDF · 667 KB · Updated 14 Oct 2026 (opens in a new tab)
Solar-Therm direct cylinder product information sheetDatasheet · PDF · 768 KB · Updated 14 Oct 2026 (opens in a new tab)- Technical brochureBrochure · PDF · 8.8 MB · Updated 16 Oct 2026 (opens in a new tab)
- Sales brochureBrochure · PDF · 5.6 MB · Updated 16 Oct 2026 (opens in a new tab)
Domestic · Unvented cylinder
EcoSlim Unvented Cylinder
EcoSlim Unvented Cylinders installation & service manualInstallation manual · PDF · 1.3 MB · Updated 13 Oct 2026 (opens in a new tab)- Domestic unvented cylinder installer manual (120–300 L)Installation manual · PDF · 1.3 MB · Updated 13 Oct 2026 (opens in a new tab)
EcoSlim Horizontal heat pump cylinder product information sheetDatasheet · PDF · 666 KB · Updated 14 Oct 2026 (opens in a new tab)
EcoSlim pre-plumbed heat pump cylinder product information sheetDatasheet · PDF · 659 KB · Updated 14 Oct 2026 (opens in a new tab)- EcoSlim heat pump cylinder product information sheetDatasheet · PDF · 661 KB · Updated 14 Oct 2026 (opens in a new tab)
- Technical brochureBrochure · PDF · 8.8 MB · Updated 16 Oct 2026 (opens in a new tab)
- Sales brochureBrochure · PDF · 5.6 MB · Updated 16 Oct 2026 (opens in a new tab)
Domestic · Unvented cylinder
Ultra Slim Unvented Cylinder
Ultra Slim Unvented Cylinder installation & service manualInstallation manual · PDF · 1.3 MB · Updated 13 Oct 2026 (opens in a new tab)- Domestic unvented cylinder installer manual (120–300 L)Installation manual · PDF · 1.3 MB · Updated 13 Oct 2026 (opens in a new tab)
SuperFlow Direct Ultra Slim cylinder product information sheetDatasheet · PDF · 640 KB · Updated 14 Oct 2026 (opens in a new tab)- Technical brochureBrochure · PDF · 8.8 MB · Updated 16 Oct 2026 (opens in a new tab)
- Sales brochureBrochure · PDF · 5.6 MB · Updated 16 Oct 2026 (opens in a new tab)
Domestic · Unvented cylinder
Horizontal Unvented Cylinders
General Horizontal Unvented Cylinder installation & service manualInstallation manual · PDF · 1.3 MB · Updated 13 Oct 2026 (opens in a new tab)
SuperFlow Indirect Horizontal cylinder product information sheetDatasheet · PDF · 670 KB · Updated 14 Oct 2026 (opens in a new tab)
SuperFlow Direct Horizontal cylinder product information sheetDatasheet · PDF · 670 KB · Updated 14 Oct 2026 (opens in a new tab)
Climacyl Horizontal heat pump cylinder product information sheetDatasheet · PDF · 670 KB · Updated 14 Oct 2026 (opens in a new tab)
Climacyl Horizontal Twin Coil heat pump cylinder product information sheetDatasheet · PDF · 686 KB · Updated 14 Oct 2026 (opens in a new tab)- Technical brochureBrochure · PDF · 8.8 MB · Updated 16 Oct 2026 (opens in a new tab)
- Sales brochureBrochure · PDF · 5.6 MB · Updated 16 Oct 2026 (opens in a new tab)
Domestic · Unvented components
Unvented Cylinder Components
Domestic · Heat pump cylinder
Climacyl Heat Pump Cylinder
Domestic unvented cylinder installer manual (120–300 L)Installation manual · PDF · 1.3 MB · Updated 13 Oct 2026 (opens in a new tab)
Climacyl Twin Coil heat pump and solar cylinder product information sheetDatasheet · PDF · 769 KB · Updated 14 Oct 2026 (opens in a new tab)- Climacyl Horizontal heat pump cylinder product information sheetDatasheet · PDF · 670 KB · Updated 14 Oct 2026 (opens in a new tab)
- Climacyl Horizontal Twin Coil heat pump cylinder product information sheetDatasheet · PDF · 686 KB · Updated 14 Oct 2026 (opens in a new tab)
Climacyl heat pump cylinder product information sheetDatasheet · PDF · 706 KB · Updated 14 Oct 2026 (opens in a new tab)
Climabuff Slimline integrated buffer cylinder product information sheetDatasheet · PDF · 667 KB · Updated 14 Oct 2026 (opens in a new tab)
Climabuff integrated buffer cylinder product information sheetDatasheet · PDF · 668 KB · Updated 14 Oct 2026 (opens in a new tab)
Climabuff 400L and 500L integrated buffer cylinder product information sheetDatasheet · PDF · 700 KB · Updated 14 Oct 2026 (opens in a new tab)- Technical brochureBrochure · PDF · 8.8 MB · Updated 16 Oct 2026 (opens in a new tab)
- Sales brochureBrochure · PDF · 5.6 MB · Updated 16 Oct 2026 (opens in a new tab)
Domestic · Vented cylinder
Stainless Vented Cylinders
Domestic · Vented cylinder
Cased Vented Cylinders
Manuals: not yet available to download. Ask us for it
Domestic · Thermal store
EcoTherm Thermal Stores
EcoTherm thermal store installation instructionsInstallation manual · PDF · 2.5 MB · Updated Jun 2018 (opens in a new tab)
EcoTherm Slimline Direct Self Fill thermal store product information sheetDatasheet · PDF · 713 KB · Updated 14 Oct 2026 (opens in a new tab)
EcoTherm Direct Self Fill thermal store product information sheetDatasheet · PDF · 722 KB · Updated 14 Oct 2026 (opens in a new tab)- EcoTherm Thermal Store (150L-210L, Indirect Self Fill)Datasheet · PDF · 530 KB · Updated May 2024 (opens in a new tab)
- EcoTherm Thermal Stores (120L to 210L - General)Datasheet · PDF · 619 KB · Updated May 2017 (opens in a new tab)
- Technical brochureBrochure · PDF · 8.8 MB · Updated 16 Oct 2026 (opens in a new tab)
- Sales brochureBrochure · PDF · 5.6 MB · Updated 16 Oct 2026 (opens in a new tab)
Domestic · Pre-plumbed cylinder
Packaged Cylinders
V-Cyl pre-plumbed cylinder for LG product information sheetDatasheet · PDF · 743 KB · Updated 14 Oct 2026 (opens in a new tab)
U-Cyl universal pre-plumbed cylinder product information sheetDatasheet · PDF · 706 KB · Updated 14 Oct 2026 (opens in a new tab)
U-Cyl Plus universal pre-plumbed cylinder product information sheetDatasheet · PDF · 718 KB · Updated 14 Oct 2026 (opens in a new tab)
S-Cyl pre-plumbed cylinder for Samsung product information sheetDatasheet · PDF · 731 KB · Updated 14 Oct 2026 (opens in a new tab)
E-Cyl Slimline pre-plumbed cylinder for Mitsubishi Ecodan product information sheetDatasheet · PDF · 792 KB · Updated 14 Oct 2026 (opens in a new tab)
E-Cyl pre-plumbed cylinder for Mitsubishi Ecodan product information sheetDatasheet · PDF · 737 KB · Updated 14 Oct 2026 (opens in a new tab)
11068841672 world heat cylinders e cyl spec sheet st2Datasheet · PDF · 2.3 MB · Updated Oct 2026 (opens in a new tab)- 11068841672 world heat cylinders v cyl spec sheet st2Datasheet · PDF · 2.2 MB · Updated Oct 2026 (opens in a new tab)
- Packaged CylindersDatasheet · PDF · 719 KB · Updated May 2017 (opens in a new tab)
- Technical brochureBrochure · PDF · 8.8 MB · Updated 16 Oct 2026 (opens in a new tab)
- Sales brochureBrochure · PDF · 5.6 MB · Updated 16 Oct 2026 (opens in a new tab)
Manuals: not yet available to download. Ask us for it
Commercial · Storage calorifier
Storage Calorifiers/Cylinders
Electric storage calorifier installation, operation and maintenance manualOperation & maintenance manual · PDF · 165 KB · Updated 14 Oct 2026 (opens in a new tab)- Storage calorifier installation, operation and maintenance manualOperation & maintenance manual · PDF · 159 KB · Updated 14 Oct 2026 (opens in a new tab)
- Technical brochureBrochure · PDF · 8.8 MB · Updated 16 Oct 2026 (opens in a new tab)
Commercial brochureBrochure · PDF · 5.3 MB · Updated 16 Oct 2026 (opens in a new tab)
Commercial & domestic · Buffer vessel
Buffer Vessels
Buffer vessels installation, operation and maintenance manualOperation & maintenance manual · PDF · 192 KB · Updated 14 Oct 2026 (opens in a new tab)
Wall mounted buffer vessel product information sheetDatasheet · PDF · 729 KB · Updated 14 Oct 2026 (opens in a new tab)
SSBUFF stainless steel buffer vessel product information sheetDatasheet · PDF · 774 KB · Updated 14 Oct 2026 (opens in a new tab)
Inline volumiser product information sheetDatasheet · PDF · 680 KB · Updated 14 Oct 2026 (opens in a new tab)- Mild & Stainless Steel Buffer Vessels (600L-8000L)Datasheet · PDF · 1.7 MB · Updated Jun 2024 (opens in a new tab)
- Inline Volumisers (10L & 20L)Datasheet · PDF · 359 KB · Updated May 2024 (opens in a new tab)
- Technical brochureBrochure · PDF · 8.8 MB · Updated 16 Oct 2026 (opens in a new tab)
- Commercial brochureBrochure · PDF · 5.3 MB · Updated 16 Oct 2026 (opens in a new tab)
- Sales brochureBrochure · PDF · 5.6 MB · Updated 16 Oct 2026 (opens in a new tab)
- World heat cylinders marple community hub case study3Product document · PDF · 1.4 MB · Updated Sep 2026 (opens in a new tab)
Commercial · Heat exchanger
Plate Heat Exchangers
- Gasketed plate heat exchanger installation, operation and maintenance manualOperation & maintenance manual · PDF · 149 KB · Updated 14 Oct 2026 (opens in a new tab)
- Technical brochureBrochure · PDF · 8.8 MB · Updated 16 Oct 2026 (opens in a new tab)
- Commercial brochureBrochure · PDF · 5.3 MB · Updated 16 Oct 2026 (opens in a new tab)
Commercial · Low loss header
