McDonald Water Storage 150 Litre STEELflow SLIMLINE Unvented Heat Pump Cylinder

Space-Saving Stainless Steel Solution for Efficient Heat Pump Systems

  • £1,232.99

Introducing the McDonald Water Storage 150 Litre STEELflow SLIMLINE Unvented Heat Pump Cylinder - a sleek and compact stainless steel cylinder designed to maximize heat pump efficiency. With its slim profile, high-grade stainless steel construction, and advanced features, this cylinder is the ideal solution for space-restricted installations.

  • Carrier will deliver to KERBSIDE hard standing only, all units will be delivered Palletised.

The McDonald Water Storage 150 Litre STEELflow SLIMLINE Unvented Heat Pump Cylinder is a cutting-edge solution for efficient heat pump systems. Measuring 1482 x 475mm, this slimline stainless steel cylinder is engineered to optimize space usage without compromising performance.

Key Features:

  • Space-Saving Design: With a slim 475mm diameter, this cylinder is perfect for installations with limited space availability.
  • Premium Stainless Steel: Crafted from high-grade duplex stainless steel, ensuring exceptional durability and longevity.
  • Comprehensive Guarantee: Backed by a 25-year guarantee, offering long-term peace of mind.
  • Corrugated Coil Technology: Features a corrugated coil heat exchanger for maximum heat transfer and flow rates from the heat pump.
  • Maximum Durability: Utilizes post-weld treatment for enhanced durability and performance.
  • Energy-Efficient: Boasts low heat losses and high-density foam insulation, optimizing energy efficiency.
  • Minimal Pressure Loss: Heat pump coil pressure loss is less than 0.4 bar, ensuring efficient heat exchange.
  • Advanced Components: Equipped with a range of components including a 90-degree elbow, T&P valve, thermostat pocket, immersion heater, and more.

The STEELflow SLIMLINE Unvented Heat Pump Cylinder is a space-conscious, high-performance solution designed to enhance the efficiency of heat pump systems. Its innovative design, advanced technology, and comprehensive features make it a reliable choice for both residential and commercial applications.

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We offer next day delivery on most of our products if received before 3pm the same working day plus free delivery on all orders over £50 + VAT (Please check the individual product page for confirmation)

We operate a NO QUIBBLE returns policy to give you peace of mind when buying. In the unlikely event that the product you order isn't quite what you wanted then get in touch, post it back & we will process your refund when it arrives back with us

Returning Direct items

If you would like the supplier to collect any items that are not needed, there would be a collection and re-handling charge of 25% per item and a charge of £45 + VAT (The £45 + VAT would be per collection, not per invoice or item.)


The handling charges would also increase depending on the date from delivery to collection, 25% is for anything collected within 1 month of delivery to site. Anything over 2 months would be more than the 25% and again for 3, 4, 5 months etc and you would be notified when contacting us.

Last update 13:10 18/08/2022

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