The o-rings, washers and gaskets are used in many different places within your heating unit. They are used when joining pipework to different parts within your central heating system. Heat exchangers, flues and many other parts require orings, washers and

Brand Name	Vaillant
Colour	string
Material	string
Manufacturer Model No	20057606
Wear Type	string
Type	Packing Rings
Certifications Met	string
Country of Origin	string
Protects From	string
Waterproof	string
Number of Pockets	string
Product Type	Packing Ring
Waist Size	ae29ce14fx
Toilet Cistern Capacity	FTW--ERP
Rating	Not Applicable
Supplier Part Number	20057606