GRUNDFOS AMAZON 4.0 TI POS SHOWER PUMP

The Grundfos Amazon 4.0 TI POS Shower Pump is a high-performance booster pump designed to improve water pressure and flow to showers and bathroom outlets on gravity-fed plumbing systems. As a positive head, twin-impeller model, it boosts both hot and cold water supplies and activates automatically when flow is detected. It is suitable for domestic installations with a cold-water storage tank and a hot-water cylinder, helping deliver a strong, consistent showering experience across one or more outlets.

• Manufacturer: Grundfos Pumps Ltd
• Model: Amazon 4.0 TI POS Shower Pump
• Manufacturer code: 364756
• Pressure rating: 4.0 bar
• Operation: Positive head (flow-activated)
• Configuration: Twin impeller (hot and cold supplies)
• Application: Boosts showers and bathroom outlets on gravity-fed systems
• System compatibility: For vented (tank-fed) systems; not for mains-fed, combi boiler, or unvented/high-pressure systems