The Baxi/Potterton Fan P/n 720011701 is a metal tank lining material for indoor boilers, specifically designed for Baxi brand boilers. With an energy efficiency rating of A+++, this fan is a crucial part of the heating system, providing effective and efficient heating solutions for homes. This product is essential for maintaining and repairing boilers to ensure optimal performance and comfort in indoor spaces. USED BUT IN PERFECT WORKING ORDER NO REFUNDS