Buderus 7101558 O-Ring 15,54X2,62 (10Pc) Spares at City Plumbing offer you a wide range of high-quality, great value products providing more choice for quick and easy repairs. Trusted by engineers, we hold most in-demand Spares accessible for next-day availability in-branch and online. We are confident in providing premium service and excellent quality Spares, to assist you with your requirements