Home / Plumbing / Compression / Large F 1″ Brass Backnut Customer matched zone "UK" View basket “35Mmx15Mm 3 Part Reducing Set” has been added to your basket. Large F 1″ Brass Backnut£0.07 This product is available for pickup in Orpington. Large F 1" Brass Backnut quantity Delivery Store Collection SKU: 35310WC01 Category: Compression Product ID: 6940 Reviews Related products 8Mm Copper Olives £0.15 Add to basket Sale! 20Mm X 15Mm Poly Shank Adaptor £7.96 Original price was: £7.96.£5.99Current price is: £5.99. Add to basket Sale! 25Mm X 15Mm Poly Shank Adaptor £9.74 Original price was: £9.74.£7.99Current price is: £7.99. Add to basket 28Mm Copper Olives £0.34 Add to basket