Product Description

Grundfos Amazon 3 Bar Twin Shower Pump Positive

Model: 96787466 / STP-3.0 B

The Grundfos Amazon STP-3.0 B 3 Bar Twin Shower Pump is a premium positive head twin impeller booster pump designed to deliver exceptional water pressure, outstanding reliability and long-lasting durability. Widely regarded as the “Rolls Royce” of Grundfos shower pumps, the Amazon range is manufactured using heavy-duty brass impellers and precision-machined brass components to provide superior performance for demanding domestic plumbing systems.

Designed to simultaneously boost both the hot and cold water supplies, the STP-3.0 B delivers a powerful 3.0 bar pressure increase, making it ideal for high-performance showers, bathrooms and gravity-fed plumbing systems where maximum water pressure is required.

Featuring intelligent automatic flow and pressure switches, anti-vibration feet and premium centrifugal pump technology, the Grundfos Amazon STP-3.0 B offers exceptionally quiet operation, reliable performance and straightforward installation with the supplied flexible hoses.

Grundfos Amazon STP-3.0 B Features

• Twin Impeller Positive Head Shower Pump
• Model: STP-3.0 B
• Part Number: 96787466
• 3.0 Bar Pressure Rating
• Heavy Duty Brass Impellers
• Precision Machined Brass Internal Components
• 230 Volt Power Supply
• 22mm Connections
• Centrifugal Pump Design
• Built-in Automatic Flow Switch
• Built-in Automatic Pressure Switch
• Anti-Vibration Feet
• Supplied with Flexible Hoses
• WRAS Approved
• CE Compliant
• 5 Year Manufacturer Warranty
• Grundfos Amazon Installation Guide
• Grundfos Amazon Pump Brochure

Key Features & Benefits

• Powerful 3 Bar Performance – Provides a substantial increase in water pressure for powerful showers and improved system performance.
• Twin Impeller Design – Simultaneously boosts both hot and cold water supplies to maintain balanced flow.
• Heavy Duty Brass Construction – Premium brass impellers and machined components deliver exceptional durability.
• Automatic Flow Activation – Built-in flow switch starts the pump automatically when water demand is detected.
• Automatic Pressure Control – Pressure switch automatically stops the pump and maintains system pressure after use.
• Quiet Smooth Operation – Anti-vibration feet minimise installation noise and vibration.
• Centrifugal Pump Technology – Designed for dependable, efficient long-term performance.
• 5 Year Manufacturer Warranty – Provides additional peace of mind with extended cover.

Technical Specification

• Model: STP-3.0 B
• Part Number: 96787466
• Brand: Grundfos
• Product Type: Twin Shower Pump
• System Type: Positive Head
• Pressure Rating: 3.0 Bar
• Power Supply: 230 Volt
• Connections: 22mm
• Pump Type: Centrifugal
• Approvals: WRAS Approved & CE Compliant
• Warranty: 5 Years

What’s Included?

• 1 × Grundfos Amazon STP-3.0 B Twin Shower Pump
• 4 × Manufacturer Supplied Flexible Hoses
• Built-in Anti-Vibration Feet
• Installation Instructions

Ideal For

• Positive head plumbing systems
• Gravity-fed hot and cold water systems
• High-performance shower installations
• Boosting both hot and cold water supplies
• Domestic bathrooms
• Open vented plumbing systems
• Improving low water pressure
• Professional plumbing installations

Why Choose the Grundfos Amazon STP-3.0 B?

The Grundfos Amazon STP-3.0 B is engineered for homeowners and installers seeking premium performance, exceptional reliability and powerful water boosting. Its heavy-duty brass construction, twin impeller design and advanced automatic controls deliver consistently high water pressure while ensuring quiet, dependable operation.

With its robust engineering, WRAS approval and extended 5-year warranty, the Amazon STP-3.0 B represents one of the highest quality shower pumps available for positive head domestic plumbing systems.

Why Buy from SNH Tradecentre?

• Competitive prices on Grundfos shower pumps
• Large stock availability
• Nationwide delivery available
• Expert plumbing and heating advice
• Trade and public customers welcome
• Trusted UK plumbing supplier
• Collection available from our Kent trade counter