Positive and negative head. Smooth-running, universal single shower pump. Quietly and efficiently boosts hot and cold water supplies. Suitable for gravity-fed systems. Positive & Negative Head 22mm Push-Fit Anti-Vibration Couplers 3 Year Manufacturer's...

Designed for boosting water pressure to a gravity-fed system where the outlets are below the cold water storage tank. Positive Head Suitable for Gravity-Fed Systems Up to 2 Connectable Showers Push-Fit Connection Continuous Rating Composite 1 Year Guarantee...