Advance Appliances Wall mountable 20 Litre Buffer Store – BFS 20

SKU: AA-D-424
Availability: In stock

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£230.00 EXCL. TAX

£276.00 INCL. TAX

✔ FREE UK Mainland delivery available on this item!

These stores are sent direct from the manufacturer, normally within 3 to 5 working days. If the lead time is going to be significantly longer, we will contact you.

In stock



20 Litre Buffer Store From Advance Appliances – BFS 20

Made from mild steel with wall brackets attached for easier installation, this 20 litre buffer is fitted with 28mm compression fittings at each end.

*Delivery to Mainland UK Only – Delivery in 2-5 working days *

Buffer Stores can be used as energy accumulators or to add volume to primary circuits to prevent heat pump shorting.

These mild steel buffers are WRAS approved, guaranteed for 2 years and made in the UK.

Features and Benefits

  • Compact design made for versatile positioning
  • Create a store of energy for space heating
  • Fully insulated
  • Sealed system or open vented
  • 2 years guarantee.


  • Code – BFS 20
  • Capacity – 20 Ltrs
  • Size – 270 (diameter) x 520 mm
  • Heat Loss – 41 watts / C Class
  • Immersion heaters – N/A
  • Tappings – 2 x 28mm comp

Installation & Servicing Instructions:

Buffer Store Data Sheet

Buffer Store Installation Guide

Additional information

Weight5 kg

Manufacturers Code

BFS 20