This product is the Grundfos Amazon STP-3.0 Bar. Its's premium brass shower pump with a positive head and 2 impellers, designed and manufactured to the highest standards. The shower pump is continuously rated as a regenerative pump making it equipped to overcome air pockets and ideal where the plumbing route includes multiple bends and elbows. This shower pump ensures high performance, long durability and is suitable for domestic, commercial or light industrial use to boost shower pressure up to 4 bar. The shower pump is used for boosting both hot and cold water to single showers, multiple showers or whole house boosting where the outlets are below the cold-water tank.
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