150L Direct Telford Tempest Vertical Unvented Cylinder TSMD150

150L Direct Telford Tempest Vertical Unvented Cylinder – TSMD150

The 150L Telford Tempest TSMD150 is a premium direct vertical unvented hot water cylinder, ideal for growing families and homes with up to 2 bedrooms, 1 bathroom and 1 shower.

Designed for properties without a conventional boiler, the TSMD150 is heated by two factory-fitted 3kW immersion heaters, making it the ideal solution for electric-only homes, apartments and modern properties using electric heating systems. Manufactured from 2304 Duplex Stainless Steel, it delivers exceptional corrosion resistance, outstanding durability and reliable mains pressure hot water performance.

Supplied complete with the expansion vessel and installation kit, the TSMD150 includes everything required for a professional installation.

Key Features

• 150 litre direct vertical unvented cylinder
• Ideal for homes with up to 2 bedrooms, 1 bathroom and 1 shower
• Heated by 2 x 3kW immersion heaters
• No boiler required
• Manufactured from 2304 Duplex Stainless Steel
• Excellent corrosion resistance for a longer service life
• 3 Bar working pressure
• Pressure tested to 15 Bar
• Relief valve operates at 7 Bar / 90–95°C
• 22mm domestic connections
• Delivers up to 55 litres per minute flow rate
• Suitable for mains pressure hot water systems
• Complete with expansion vessel and installation kit
• Lifetime cylinder warranty*

Supplied Complete With

• 2 x 3kW Immersion Heaters (240V Single Phase)
• Expansion Vessel
• Expansion Vessel Kit
• Temperature & Pressure Relief Valve
• 3 Bar Inlet Control Group

Everything required for a standard installation is included.

Perfect for Electric-Only Homes

A direct unvented cylinder heats water using built-in electric immersion heaters rather than a traditional boiler. This makes the TSMD150 an excellent choice for:

• Electric-only homes
• Apartments and flats
• Properties without a gas supply
• Holiday homes
• Annexes
• New-build homes with electric heating systems

Why Buy From TDL?

• Kept in stock for immediate dispatch
• FREE Next Working Day Delivery when ordered before 2:30pm
• Competitive UK prices
• Expert technical support from our experienced team
• Real People. Real Service. For Over 40 Years.

Recommended Cylinder Size Guide

The above guide is intended as a recommendation only. Actual hot water requirements will vary depending on household usage.

Warranty

• Lifetime warranty on the stainless steel cylinder*
• 2-year warranty on supplied components

The cylinder must be serviced every 12 months by a qualified engineer to maintain the manufacturer's warranty.