3.8 litre Nautilus: The Nautilus is designed for use on boats. It is seawater-resistant. One-chamber swing pump, unsusceptible to faults and quiet as there is only one moving part. For one tap, completely encapsulated. Self-priming up to 15 cm. Max. liquid temperature: 80 °C. Utilities connections 10 mm. Material: polypropylene, Ryton (polyphenylene sulphide) and stainless steel. Taps: 1. Static head: 15 cm.