🏊‍♂️ Sta-Rite SR2003N | 2HP (1.5kW) 3-Phase Pool Pump – 2″ Suction & Delivery

Professional-Grade Performance for Large Residential & Domestic Pools 💧

📋 Product Overview

The Sta-Rite SR2003N (model 5P2R series) represents professional-grade pool circulation for larger domestic and residential installations. This robust 2HP (1.5kW) three-phase pump combines Pentair’s proven Italian manufacturing excellence with advanced materials engineering, delivering reliable, efficient performance for pools ranging from 30-80m³.

Manufactured entirely in Pentair’s Pisa, Italy facility, this pump features precision-molded reinforced fiberglass construction, high-grade stainless steel components, and an energy-efficient IE2-compliant three-phase motor. The SR2003N is specifically designed for larger domestic pools, elaborate water features, or residential installations where three-phase power is available, providing the substantial flow rates and pressure needed for optimal water circulation and filtration.

Key Differentiator: Unlike single-phase alternatives, this three-phase motor delivers significantly improved energy efficiency, quieter operation, and extended service life – particularly valuable for pools requiring continuous or extended daily operation.

Designed For: Homeowners with larger residential pools (30-80m³), property managers overseeing multiple pool installations, swimming pool maintenance professionals, and residential developments with three-phase power infrastructure.

⭐ Key Features

✅ 100% Pentair Italian Manufacturing – Entirely produced in Pentair’s specialized Pisa, Italy facility, ensuring consistent quality control and adherence to European manufacturing standards with full traceability

✅ Energy-Efficient IE2 Three-Phase Motor – Compliant with EU energy efficiency directives, the 50Hz three-phase induction motor runs cooler and more efficiently than equivalent single-phase pumps, reducing operating costs by up to 15-20%

✅ Reinforced Fiberglass Construction – Precision-molded from high-strength, UV-resistant fiberglass providing exceptional corrosion resistance, temperature stability, and structural integrity for decades of reliable service

✅ Premium Stainless Steel Components – Dual-material shaft featuring AISI 304 stainless steel on the drive end, plus stainless steel motor shaft and inserts throughout, delivering superior corrosion protection and extended component life

✅ XL Strainer Basket – Oversized debris collection basket extends cleaning intervals, reducing maintenance frequency while the transparent “see-through” lid allows visual inspection without opening

✅ Self-Priming High-Head Impeller – Advanced impeller design with optimized water passages ensures efficient operation even when the control room is located at distance from the pool, capable of priming up to 2.5 meters

✅ Stainless Steel Quick-Release Clamp – Tool-free access to all serviceable components via a robust stainless steel locking clamp, enabling rapid maintenance and future upgradeability to variable speed operation

✅ SKF Sealed Bearings – Premium Swedish-engineered sealed bearings provide permanent lubrication, eliminating maintenance requirements while ensuring quiet, vibration-free operation throughout the pump’s lifespan

✅ Advanced Carbon Ceramic Seal – Precision-lapped, highly polished mechanical seal constructed from carbon ceramic stainless steel ensures maximum drip-proof protection and corrosion-free operation

✅ IP-X5 Protection Rating – Certified water ingress protection suitable for outdoor installations in protected locations, with thermal overload protection integrated into the motor for safety

🔧 Technical Specifications

Specification	Detail
Model Number	SR2003N (5P2R Series)
Motor Power	2HP (1.5kW / 1,500W)
Phase Configuration	3-Phase (380-420V)
Frequency	50Hz
Energy Efficiency	IE2 Compliant (Three-Phase <0.75kW)
Motor Type	Induction Asynchronous
Suction Connection	2″ (50mm) BSP Female Thread
Delivery Connection	2″ (50mm) BSP Female Thread
Union Diameter	50mm Internal
Unions Included	Yes (factory supplied)
Maximum Flow Rate	20 m³/h @ 8m head
Self-Priming Capacity	Up to 2.5 meters
Motor Shaft Material	Bi-material with AISI 304 Stainless Steel
Impeller Material	Glass-filled Polycarbonate
Pump Body Material	Reinforced Fiberglass (UV-resistant)
Mechanical Seal	Carbon Ceramic Stainless Steel
Bearings	SKF Sealed & Permanently Lubricated
Strainer Basket Size	5″ (127mm) XL Capacity
Pressure Test Rating	4 bar
Salt Tolerance	0.40% (4g/L) maximum
IP Rating	IP-X5 (Water Ingress Protection)
Thermal Protection	Integrated Motor Protection
Mounting Base	Hi-Rise Design for Stability
Pump Width	288mm
Total Length	544mm
Operating Weight	26kg
Rear Clearance Required	Minimum 76mm (3″)
Vertical Clearance	Minimum 152mm (6″)
Manufacturing Origin	Pisa, Italy (Pentair Facility)
CE Compliance	Conforms to 2014/35/EU, 2014/30/EU, 2019/125/EC, 2011/65/EU

💰 Usage Costs & Running Expenses

📊 Annual Running Cost Calculation

Power Specifications:

• Motor Power: 1.5 kW
• Voltage: 3-Phase 380-420V
• Energy Rate: £0.26 per kWh (UK commercial average, Q4 2024)

🏊 Scenario 1: Seasonal Residential Pool (6 Months)

Usage Pattern: 8 hours/day for 180 days (May-October)

• Daily consumption: 1.5 kW × 8 hours = 12 kWh
• Annual usage: 12 kWh × 180 days = 2,160 kWh
• ✅ Annual cost: 2,160 × £0.26 = £561.60

🏊 Scenario 2: Year-Round Heated Pool

Usage Pattern: 8 hours/day for 365 days

• Daily consumption: 1.5 kW × 8 hours = 12 kWh
• Annual usage: 12 kWh × 365 days = 4,380 kWh
• ✅ Annual cost: 4,380 × £0.26 = £1,138.80

🏊 Scenario 3: Extended Operation (Large Pool)

Usage Pattern: 12 hours/day for 365 days

• Daily consumption: 1.5 kW × 12 hours = 18 kWh
• Annual usage: 18 kWh × 365 days = 6,570 kWh
• ✅ Annual cost: 6,570 × £0.26 = £1,708.20

🎯 Real World Examples & Applications

🏠 Large Residential Swimming Pools

Perfect for domestic pools in the 30-80m³ range where three-phase power is available. The 2HP motor provides ample flow for effective filtration, surface skimming, and floor drain circulation. Homeowners benefit from quieter operation and improved energy efficiency compared to equivalent single-phase pumps, particularly important for installations near living areas.

🏘 Residential Development Pools

Ideal for property developers and residential complexes with communal pool facilities. The robust three-phase motor handles extended daily operation reliably, while the XL strainer basket reduces maintenance visits. The IE2 energy efficiency rating helps property managers control operating costs across multiple installations.

🌊 Elaborate Water Features

Excellent choice for large ornamental water features, fountains, or koi ponds requiring substantial flow rates. The high-head impeller design maintains consistent performance even when the pump is located away from the water feature, and the reinforced fiberglass construction withstands continuous outdoor exposure.

🔄 Pool Equipment Upgrades

Replacement option for aging or inefficient pumps on larger residential pools. The standard 2″ connections ensure compatibility with existing plumbing, while the stainless steel quick-release clamp simplifies future maintenance. Property owners upgrading from older single-phase pumps can realize significant energy savings.

☀ Summer House & Holiday Property Pools

Suited for vacation properties with larger pools where reliable seasonal operation is essential. The self-priming capability up to 2.5 meters accommodates various installation configurations, and the salt tolerance (up to 4g/L) provides flexibility for different sanitization methods.

💡 Cost Savings Examples

📍 Scenario: Upgrading from Older Single-Phase 2HP Pump

Old Pump (Typical 2HP Single-Phase):

• Power consumption: 1.8 kW (less efficient motor)
• Usage: 8 hours/day × 180 days = 1,440 hours
• ❌ Annual cost: 1.8 × 1,440 × £0.26 = £674.78

New SR2003N (Three-Phase IE2):

• Power consumption: 1.5 kW (efficient three-phase motor)
• Usage: 8 hours/day × 180 days = 1,440 hours
• ✅ Annual cost: 1.5 × 1,440 × £0.26 = £561.60

💰 Annual Saving: £113.18 📈 3-Year Savings: £339.54 ⏱ Efficiency Improvement: ~17% reduction in energy consumption

📍 Scenario: Three-Phase vs Equivalent Single-Phase Operation

Single-Phase Alternative (2HP):

• Typical running cost: £674/year (seasonal pool)
• Motor runs hotter, shorter lifespan
• ❌ Higher maintenance frequency
• ❌ Noisier operation

SR2003N Three-Phase:

• Running cost: £562/year (seasonal pool)
• Motor runs cooler, extended lifespan
• ✅ Reduced maintenance requirements
• ✅ Quieter operation

💵 Benefits Beyond Energy:

• Longer motor life (typically 20-30% increase)
• Reduced bearing wear and maintenance
• Lower noise levels (important for residential settings)
• Better power factor efficiency

📥 Downloads & Resources

📄 Installation & User Manual

Complete installation and user’s guide covering single-speed Sta-Rite pumps including SuperFlo, UltraFlow, WhisperFlo, and Pantera series. Comprehensive safety instructions, installation guidelines, electrical connection diagrams, troubleshooting procedures, and maintenance schedules (PDF, multilingual)
Download Installation Manual

📄 Product Technical Datasheet

Official Pentair technical specification sheet for the La Sta-Rite 5P2R series including the SR150N model. Detailed performance curves, dimensions, electrical specifications, features overview, and application guidelines (PDF, 1 page)
Download Technical Datasheet

🏆 Why Choose This Product

✅ Proven Italian Engineering – 100% manufactured in Pentair’s specialized Pisa facility with rigorous quality control, ensuring every pump meets exacting European standards with full component traceability and quality assurance

✅ Superior Energy Efficiency – IE2-compliant three-phase motor delivers 15-20% energy savings versus comparable single-phase pumps, with cooler operation extending motor lifespan and reducing long-term replacement costs

✅ Premium Corrosion Protection – Comprehensive use of AISI 304 stainless steel components, reinforced fiberglass body, and carbon ceramic seals ensures decades of reliable service even in challenging outdoor environments

✅ Reduced Maintenance Requirements – XL strainer basket, sealed SKF bearings, and tool-free access via quick-release clamp minimize service frequency and simplify routine maintenance tasks for busy homeowners or pool professionals

✅ Future-Proof Design – Removable strainer allows conversion to booster pump configuration, while the stainless steel clamp system enables straightforward upgradeability to variable speed operation when technology refresh is desired

✅ Quiet, Reliable Operation – Three-phase motor design inherently produces less vibration and noise than single-phase alternatives, making it ideal for residential installations where acoustic performance matters to property owners and neighbors

💼 Why Buy From Parts4Tubs?

🎯 Pool Equipment Specialists – Dedicated focus on hot tub, spa, and swimming pool components means expert product knowledge and technical support from staff who understand your specific application requirements

📦 Fast UK Delivery – Efficient logistics network ensures prompt dispatch and delivery of heavy pump equipment direct to your installation site, with tracking information provided for peace of mind

💷 Competitive Trade Pricing – Volume purchasing relationships with leading manufacturers like Pentair enable competitive pricing without compromising on genuine OEM quality and full manufacturer warranty coverage

🔧 Technical Support Available – Access to knowledgeable technical advisors who can assist with product selection, installation guidance, troubleshooting, and compatibility questions for your specific pool configuration

✅ Genuine Pentair Products – All pumps sourced directly from authorized distribution channels, ensuring authentic factory-produced equipment with full manufacturer backing and warranty protection

🌟 Industry Experience – Established supplier serving professional pool contractors, maintenance companies, and discerning homeowners throughout the UK with reliable product availability and consistent service

✨ Summary

The Sta-Rite SR2003N 2HP three-phase pump delivers professional-grade performance for larger residential and domestic pool installations. Combining Pentair’s Italian manufacturing precision with energy-efficient three-phase motor technology, this pump provides reliable circulation for 30-80m³ pools while operating more efficiently and quietly than single-phase alternatives. The robust reinforced fiberglass construction, premium stainless steel components, and IE2 energy compliance ensure decades of dependable service with minimal maintenance requirements. For homeowners with three-phase power infrastructure, property managers overseeing residential developments, or pool professionals seeking a premium upgrade solution, the SR2003N represents an intelligent investment in long-term operating efficiency and equipment reliability.

Important Note: This Sta-Rite pump (SR2003N) requires three-phase electrical supply (380-420V) and is not compatible with salt chlorinated pools or water features at the standard 0.40% (4g/L) salt tolerance level. For salt chlorinated systems, please specify salt-compatible models identified by the “SW” suffix. Professional electrical installation by a qualified electrician is required to ensure proper three-phase motor connection and compliance with local electrical codes.