PrimaPack WC Washer for Siphon Backnut – a precision-engineered sealing component designed for reliable toilet cistern connections. This washer creates a watertight seal between the siphon assembly and backnut, preventing leaks and ensuring stable cistern operation. Compatible with standard WC installations, it's an essential replacement part for maintenance and repair work. Durable construction withstands repeated use and water exposure. Stock this high-turnover component to support installer efficiency and reduce call-backs on cistern work.
Payment & Security
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.
