Ideal 150 Litre Direct Heated Unvented Hot Water Cylinder – Stainless Steel | 25 Year Warranty UK

Buy Ideal 150L Direct Heated Cylinder with UK Wide Delivery

The Ideal 150 Litre Direct Heated Unvented Hot Water Cylinder is a powerful and efficient hot water solution designed for homes and small commercial properties across the UK. Manufactured by Ideal, one of the UK’s most trusted heating brands, this cylinder provides reliable hot water without the need for a boiler.

Featuring a built-in immersion heater, this direct heated system heats water independently, making it ideal for properties such as flats, apartments, and medium-sized homes. The 150 litre capacity offers increased hot water availability, making it perfect for 2–4 bedroom households with higher demand.

Constructed from premium stainless steel, this unvented cylinder delivers excellent durability, corrosion resistance, and superior heat retention—helping to reduce energy costs while maintaining performance.

Backed by a 25-year manufacturer warranty on the cylinder, it provides long-term reliability and peace of mind (components carry shorter warranties).

Key Features

• ✅ 150 litre capacity – ideal for medium households
• ✅ Direct heated (immersion heater) – no boiler required
• ✅ Unvented system – strong mains water pressure
• ✅ High-grade stainless steel construction
• ✅ Energy efficient with excellent heat retention
• ✅ Compact vertical design for easy installation
• ✅ 25-year cylinder warranty (manufacturer backed)
• ✅ Suitable for installation anywhere in the UK
• ✅ Manufactured by Ideal Heating

Why Choose a 150 Litre Direct Heated Cylinder?

A 150L direct heated unvented cylinder is ideal for households that require more hot water while maintaining efficiency and simplicity.

• Perfect for 2–4 bedroom homes
• Ideal for higher hot water usage
• Works without a boiler – electric immersion heating
• Provides strong mains pressure showers
• Popular for searches such as:
  • best 150 litre unvented cylinder UK
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UK Wide Supply 

We supply the Ideal 150L unvented cylinder across the UK, including:

• London
• Manchester
• Birmingham
• Leeds
• Glasgow
• Bristol

Fast delivery and expert support available nationwide.

Frequently Asked Questions

What is a direct heated unvented cylinder?
A direct heated cylinder uses an internal immersion heater to heat water directly, removing the need for a boiler.

Is a 150 litre cylinder enough for my home?
Yes, a 150L cylinder is ideal for 2–4 bedroom homes with higher hot water demand.

What warranty does this Ideal cylinder come with?
It includes a 25-year warranty on the cylinder, with shorter warranties on electrical and mechanical components.

Can this be installed anywhere in the UK?
Yes, it is suitable for nationwide installation when fitted by a qualified professional in line with UK regulations.

Delivery & Availability

• UK Wide Delivery Available
• In Stock – Fast Dispatch
• Expert UK Support

Other Sizes Available

90L | 120L | 180L | 210L | 250L | 300L