Grundfos STR2-2.0 CN Universal Twin Impeller Regenerative Shower Pump

Give your shower the boost it deserves with the Grundfos STR2‑2.0 CN, a powerful 2.0 bar universal twin‑impeller regenerative pump designed to deliver strong, reliable performance across a wide range of installations. Whether you’re feeding a thermostatic mixer, a multi‑outlet setup, or simply upgrading a tired gravity system, this pump keeps the pressure consistent and the flow beautifully smooth.

Built with Grundfos’ renowned engineering quality, the STR2‑2.0 CN offers quiet operation, robust brass impellers, and universal compatibility, meaning it works with both positive and negative head systems straight out of the box. It’s the dependable, fit‑and‑forget solution for homes that want hotel‑style showering every day.

Key Features

• 2.0 bar twin‑impeller regenerative pump for strong, stable pressure

• Universal design – suitable for both positive and negative head installations

• Quiet, efficient performance with durable brass components

• Ideal for boosting gravity‑fed systems and multi‑outlet showers

• Reliable Grundfos build quality for long‑term peace of mind
  

🔧 Technical Specifications

Performance

• Pump Type: Universal twin‑impeller regenerative

• Pressure Rating: 2.0 bar

• Suitable Systems: Positive & negative head (universal)

• Application: Gravity‑fed hot & cold water boosting

• Maximum Working Pressure: 6 bar

• Maximum Ambient Temperature: 40°C

• Maximum Liquid Temperature: 60°C

Construction

• Impellers: Durable brass

• Body Material: High‑quality composite & brass components

• Motor: Continuously rated induction motor

• Flexible Hoses: Included (anti‑vibration)

Connections

• Inlet/Outlet Size: ¾" BSP

• Flexible Hose Length: 200–300mm (typical Grundfos STR range)

• Electrical Supply: 230V AC, 50Hz

• Power Consumption: Approx. 385W

Noise & Protection

• Noise Level: Low‑noise operation with anti‑vibration feet

• Protection Rating: IPX4

• Thermal Protection: Built‑in auto‑reset

• Dry‑Run Protection: Yes

Dimensions & Weight

• Approx. Dimensions: 300mm (L) × 160mm (H) × 200mm (D)

• Weight: ~7kg

Warranty

• Manufacturer’s Warranty: 2 years (extendable to 5 years when registered with Grundfos)