Telford Tempest Stainless Steel Direct Unvented Slim Line Twin Immersion Heater Cylinders

Telford Tempest Stainless Steel Direct Unvented Slim Line Twin Immersion Heater Cylinders

Maximise hot water performance in compact spaces with the Telford Tempest Direct Unvented Slim Line Twin Immersion Cylinder — expertly designed for homes without a boiler, running solely on electricity. Featuring a slimline profile for tighter installations and two high-efficiency immersion heaters, this cylinder ensures fast heat-up times, reliable hot water delivery, and energy-saving operation.

Constructed from premium duplex stainless steel, the Tempest Slim Line range is corrosion-resistant, low-maintenance, and built for long-lasting durability. The twin immersion heater setup allows for boost and economy modes, giving you more control over energy usage — ideal for off-peak tariffs and maximising efficiency.

Why Choose Telford Tempest Direct Unvented Slim Line Twin Immersion Cylinders?

✔️ Twin Immersion Heaters – Ideal for homes using electricity only, with boost and economy heating control.
✔️ Slim Profile Design – Fits in narrow airing cupboards, closets, or tight installation spaces.
✔️ Unvented Mains Pressure Performance – Delivers powerful, balanced hot water to multiple outlets simultaneously.
✔️ Stainless Steel Construction – Corrosion-resistant and built to withstand daily use.
✔️ Energy-Efficient Design – Fast heat-up and excellent insulation reduce running costs.
✔️ Made in the UK – Manufactured by Telford, trusted for superior hot water solutions.

Key Features

• Slimline unvented direct hot water cylinder

• Twin immersion heaters for flexible heating schedules

• No need for a boiler – fully electric solution

• Made from high-grade duplex stainless steel

• Delivers mains pressure hot water to all outlets

• Factory-applied foam insulation for minimal heat loss

• Supplied with full unvented kit including expansion vessel and safety components

• WRAS approved

• 25-year manufacturer’s warranty on the cylinder (2 years on components)

Key Specifications

• Brand: Telford

• Range: Tempest Slim Line

• Type: Direct Unvented Twin Immersion Cylinder

• Material: Duplex Stainless Steel

• Orientation: Vertical (Slimline)

• System Type: Direct (Electric Only)

• Performance: Unvented – Mains Pressure

• Heating Elements: Twin Immersion Heaters

• Warranty: 25 Years (Cylinder) / 2 Years (Parts)

• Capacity Options: [Insert sizes – e.g. 120L, 150L, 180L, etc.]

• Diameter: Slim Profile – Ideal for tight spaces

What’s in the Box?

• 1 x Telford Tempest Slim Line Direct Unvented Cylinder (Twin Immersion)

• Twin immersion heaters (factory fitted or ready to install)

• Expansion vessel

• Tundish & pressure relief valves

• Full installation & user manual

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The Telford Tempest Slim Line Direct Unvented Twin Immersion Cylinder is the perfect electric-only hot water solution for properties with space restrictions. Its slim profile, twin immersion flexibility, and powerful mains pressure performance make it a smart, efficient choice for modern living.