The Glow-worm filling loop tap is designed for use with CXI and Eden boilers. For use in central heating boilers and systems, allowing the user to top up the amount of water in the system manually if the pressure drops. External loops are typically removable in accordance with regulations, whereas internal filling loops typically include a key that can be removed to interrupt the connection after use.
Supplied with 2 O-rings
Technical specification
Waist Sizeaa94ch19fxTypeTapSupplier Part Number801679Brand NameGlow-Worm