⚡ Pentair La Sta-Rite 5P2R 1.0HP Three Phase Pool Pump (5P2RE-3) – 15m³/hr Flow Rate
🏢 IE3-Compliant Commercial Efficiency – The Professional’s Choice for Medium Pool Installations
📋 Product Overview
The Pentair La Sta-Rite 5P2RE-3 is a professional-grade 1.0HP three-phase swimming pool pump engineered for commercial applications at Pentair’s renowned facility in Pisa, Italy. Delivering 15m³/hr flow at 10m head with IE3 energy efficiency compliance, this pump represents the optimal balance of performance and economy for medium-sized commercial pool installations.
Three-phase motor technology provides inherent advantages over single-phase alternatives: smoother starting, reduced electrical stress, enhanced reliability, and superior energy efficiency. The 5P2RE-3’s IE3-compliant motor draws just 1.08kW – a full 100W less than the equivalent single-phase 5P2RE-1 model. In commercial environments where pumps operate 8-14 hours daily, this efficiency advantage delivers meaningful cost savings year after year.
Built on the proven Sta-Rite platform featuring bi-material shaft design with stainless steel 304 shaft-end, premium SKF sealed bearings, and comprehensive thermal protection, the 5P2RE-3 offers the robust construction essential for continuous commercial operation. Salt-resistant construction handles concentrations exceeding 0.4%, accommodating both traditional chlorine and modern saltwater sanitisation systems.
Backed by a comprehensive 3-year manufacturer’s warranty including bearings, the 5P2RE-3 is the specification of choice for commercial pool operators, hotels, health clubs, and professional aquatic facilities where efficiency and reliability are paramount.
⭐ Key Features
✅ IE3 Energy Efficiency Compliance – Meets the highest international motor efficiency standards, delivering certified energy savings over standard motors
✅ Three-Phase Motor Technology – Smoother operation, superior starting characteristics, enhanced reliability, and 100W lower consumption than single-phase equivalent
✅ Optimal 15m³/hr Flow Rate – Efficient circulation for commercial pools up to 90,000 litres with industry-standard 6-hour turnover
✅ Lower Power Consumption (1.08kW) – Draws 100W less than the single-phase 5P2RE-1, reducing operating costs significantly in high-usage commercial applications
✅ Italian Manufacturing Excellence – Precision-engineered at Pentair’s Pisa facility to exacting European quality and CE safety standards
✅ Self-Priming Diffuser Design – Industry-leading priming capability minimises startup time and operational delays
✅ Premium SKF Sealed Bearings – Industrial-grade, permanently lubricated bearings engineered for the demands of continuous commercial duty cycles
✅ Bi-Material Shaft with Stainless Steel 304 End – Superior corrosion resistance for chlorine, saltwater, and chemically-treated commercial pool environments
✅ Salt-Resistant Construction (>0.4%) – Purpose-built for saltwater chlorination systems increasingly popular in commercial installations
✅ Built-In Thermal Overload Protection – Essential safeguard for commercial pumps operating extended hours, preventing costly motor damage
✅ “See-Thru” Trap Lid – Transparent cover rated to 4 bar test pressure enables quick visual inspections without service interruption
✅ Exclusive 5″ Lock-In Basket – Generous capacity strainer handles higher debris loads typical in commercial pool environments
✅ IP-55 Motor Protection – Dust-tight and water-jet resistant enclosure for demanding plant room conditions
✅ 3-Year Manufacturer’s Warranty – Comprehensive commercial-grade coverage demonstrates exceptional confidence in build quality
🔧 Technical Specifications
| Specification | Detail |
|---|---|
| Model Number | 5P2RE-3 |
| Motor Power | 1.0 HP (0.75 kW output) |
| Power Input (P1) | 1,080W |
| Power Output (P2) | 750W |
| Phase | Three Phase |
| Voltage | 380-420V / 50Hz |
| Motor Speed | 2,850 RPM |
| Energy Efficiency Class | IE3 Compliant |
| Flow Rate @ 10m Head | 15 m³/hr |
| Maximum Flow Rate | Up to 22 m³/hr |
| Maximum Head | 22.5 metres |
| Suction Port | 1½” BSP |
| Discharge Port | 1½” BSP |
| Strainer Basket Size | 5″ (127mm) |
| Salt Resistance | >0.4% concentration |
| Protection Rating | IP-55 (motor) / IP-X5 (pump) |
| Insulation Class | F |
| Max Liquid Temperature | 52°C |
| Max Ambient Temperature | 50°C |
| pH Operating Range | 4-9 |
| Bearing Type | SKF Sealed (permanently lubricated) |
| Shaft Material | Stainless Steel 304 |
| Impeller Material | Glass-filled Lexan |
| Body Material | Fiberglass-reinforced thermoplastic |
| Mechanical Seal | Carbon/Ceramic/Stainless Steel |
| Manufacturing Location | Pisa, Italy |
| Warranty | 3 years (90 days on mechanical seal) |
💰 Usage Costs & Running Expenses
The 5P2RE-3’s IE3-compliant three-phase motor delivers exceptional efficiency – drawing just 1.08kW for 15m³/hr flow. For commercial operators, this translates to significantly lower energy bills compared to single-phase alternatives or older equipment.
📊 Annual Running Cost Calculation
Power consumption: 1.08 kW (input power – 100W less than single-phase equivalent) UK electricity rate: £0.2635 per kWh (Ofgem Price Cap, Q4 2025)
🏢 Scenario 1: Commercial Pool (Standard Season)
- Usage: 10 hours/day × 200 days (April–October)
- Total hours: 2,000 hours/year
- ✅ Annual running cost: 1.08 kW × 2,000 hrs × £0.2635 = £569.16
🏊 Scenario 2: Leisure Centre Pool (Extended Hours)
- Usage: 12 hours/day × 300 days
- Total hours: 3,600 hours/year
- ✅ Annual running cost: 1.08 kW × 3,600 hrs × £0.2635 = £1,024.49
🏨 Scenario 3: Hotel Pool (Year-Round Operation)
- Usage: 10 hours/day × 365 days
- Total hours: 3,650 hours/year
- ✅ Annual running cost: 1.08 kW × 3,650 hrs × £0.2635 = £1,038.72
🏋️ Scenario 4: Health Club (Intensive Year-Round)
- Usage: 14 hours/day × 350 days
- Total hours: 4,900 hours/year
- ✅ Annual running cost: 1.08 kW × 4,900 hrs × £0.2635 = £1,394.29
🏫 Scenario 5: School/University Pool (Term-Time)
- Usage: 8 hours/day × 180 days
- Total hours: 1,440 hours/year
- ✅ Annual running cost: 1.08 kW × 1,440 hrs × £0.2635 = £409.80
⚡ Three-Phase vs Single-Phase Efficiency Comparison
| Model | Power Input | Annual Cost (3,000 hrs) | Annual Saving |
|---|---|---|---|
| ✅ 5P2RE-3 (Three-Phase IE3) | 1.08 kW | £853.74 | Baseline |
| ❌ 5P2RE-1 (Single-Phase) | 1.18 kW | £932.79 | -£79.05/year |
💡 Key Insight: The three-phase 5P2RE-3 saves approximately £79 annually over the single-phase equivalent at 3,000 operating hours. For facilities running 4,000-5,000 hours annually, savings exceed £100-£130 per year – substantial sums over the pump’s 10-15 year expected lifespan.
📈 Efficiency Comparison vs Older/Alternative Pumps
| Pump Type | Power Input | Annual Cost (3,000 hrs) | vs. 5P2RE-3 |
|---|---|---|---|
| ✅ Sta-Rite 5P2RE-3 (IE3) | 1.08 kW | £853.74 | — |
| ❌ Older 3-phase 1.0HP | 1.25 kW | £988.13 | +£134.39/year |
| ❌ Non-IE3 1.0HP pump | 1.20 kW | £948.60 | +£94.86/year |
| ❌ Oversized 1.5HP 3-phase | 1.37 kW | £1,083.29 | +£229.55/year |
| ❌ Budget 1.0HP single-phase | 1.35 kW | £1,067.48 | +£213.74/year |
💷 Commercial Impact: At 4,000+ operating hours typical in busy commercial facilities, the 5P2RE-3 can save £125-£285+ annually compared to older or incorrectly-sized alternatives – potentially £1,250-£2,850+ over a decade.
🎯 Real World Examples & Applications
🏢 Medium Commercial Pools
The 5P2RE-3 is ideally matched to commercial pools between 60,000 and 90,000 litres, delivering the 15m³/hr circulation that ensures compliance with commercial water quality regulations. Three-phase power is standard in commercial premises, and the IE3 efficiency maximises cost savings in facilities where pumps operate 10-14 hours daily.
🏨 Hotels & Boutique Resorts
For mid-sized hotel pools, boutique resort facilities, and serviced apartment complexes, the 5P2RE-3 provides the perfect balance of capacity and efficiency. The combination of reliable operation, quiet three-phase motor, and comprehensive warranty delivers the dependability that guest-facing operations require.
🏋️ Health Clubs & Fitness Centres
Gym and fitness facility pools benefit from the 5P2RE-3’s optimal sizing – sufficient flow for effective circulation without the energy waste of oversized equipment. With health clubs typically operating 4,000+ hours annually, IE3 efficiency delivers substantial savings.
🏫 Educational Facilities
School, college, and university pools require reliable, efficient equipment operating within constrained budgets. The 5P2RE-3’s low running costs (as little as £409.80 annually for term-time operation) combined with 3-year warranty coverage provides excellent value for educational institutions.
🏥 Hydrotherapy & Rehabilitation
Healthcare facility pools and hydrotherapy installations demand exceptional reliability – the 5P2RE-3’s premium construction, thermal protection, and smooth three-phase operation ensure consistent performance for therapy pools where equipment failure directly impacts patient care.
🏘️ Apartment & Residential Complexes
For residential complex pools, housing association facilities, and managed estate pools where three-phase supply is available, the 5P2RE-3 offers commercial-grade reliability with residential-appropriate capacity.
🌊 Water Features & Fountains
Commercial water features requiring moderate flow rates – corporate lobby fountains, shopping centre displays, and landscaped water features – benefit from the 5P2RE-3’s quiet operation, reliable performance, and exceptional head capability (up to 22.5m).
🔄 Commercial Upgrades & Replacements
As a direct replacement for ageing 1.0HP commercial pumps, the 5P2RE-3 offers modern IE3 efficiency with proven Sta-Rite reliability. Standard 1½” BSP connections ensure compatibility with existing pipework.
💡 Cost Savings Examples
📍 Scenario: Upgrading a Hotel’s Ageing Pool Pump
The situation: A 60-room hotel’s 10-year-old 1.0HP three-phase pump is becoming unreliable and inefficient. Pool operates 10 hours/day, 365 days/year (3,650 hours annually).
| Factor | ❌ Ageing 1.0HP Pump | ✅ New 5P2RE-3 |
|---|---|---|
| Power consumption | ~1.30 kW (degraded) | 1.08 kW |
| Annual energy cost | £1,250.26 | £1,038.72 |
| Maintenance costs | High (frequent repairs) | Minimal (warranty) |
| Reliability | Declining | Excellent |
| Efficiency class | Pre-IE standards | IE3 compliant |
💰 Annual energy saving: £211.54 📈 5-year energy saving: £1,057.70 💷 10-year energy saving: £2,115.40 ⏱️ Payback period: Under 2 years on energy savings alone ✅ Additional saving: Avoided emergency repairs and guest complaints
📍 Scenario: Three-Phase vs Single-Phase for New Leisure Facility
The situation: A new community leisure centre is specifying pump equipment. Pool volume: 75,000 litres. Three-phase supply available. Expected operation: 12 hours/day, 300 days (3,600 hours annually).
| Factor | Single-Phase 5P2RE-1 | ✅ Three-Phase 5P2RE-3 |
|---|---|---|
| Power consumption | 1.18 kW | 1.08 kW |
| Annual energy cost | £1,119.35 | £1,024.49 |
| Motor characteristics | Standard starting | Smoother, lower stress |
| Expected lifespan | 8-12 years | 12-15+ years |
| Efficiency class | Standard | IE3 compliant |
💰 Annual energy saving: £94.86 📈 10-year energy saving: £948.60 💷 15-year saving: £1,422.90 ✅ Additional benefits: Smoother operation, extended motor life, reduced electrical infrastructure stress
💡 Specification recommendation: Where three-phase supply is available, always specify the 5P2RE-3 for commercial installations – the efficiency gains compound significantly over the equipment’s lifetime.
📍 Scenario: Right-Sizing from Oversized 1.5HP Pump
The situation: A health club’s 70,000-litre pool was over-specified with a 1.5HP three-phase pump. Actual requirement: 12-14m³/hr. Operation: 14 hours/day, 350 days (4,900 hours annually).
| Factor | ❌ Oversized 1.5HP | ✅ Right-Sized 5P2RE-3 |
|---|---|---|
| Power consumption | 1.37 kW | 1.08 kW |
| Annual energy cost | £1,769.68 | £1,394.29 |
| Actual flow needed | 12-14 m³/hr | 15 m³/hr ✅ |
| Excess capacity | 20%+ wasted | Optimal match |
| System stress | Elevated | Normal |
💰 Annual energy saving: £375.39 📈 5-year energy saving: £1,876.95 💷 10-year saving: £3,753.90
⚠️ Critical insight: Oversized pumps are extremely common in commercial installations. This health club example demonstrates potential savings exceeding £375 annually – nearly £4,000 over a decade – simply by matching pump capacity to actual requirements.
📍 Scenario: School Pool – Budget Optimisation
The situation: A secondary school needs to replace its failing pool pump within a limited maintenance budget. Pool: 55,000 litres. Term-time operation: 8 hours/day, 180 days (1,440 hours annually).
| Cost Element | Budget Alternative | ✅ Sta-Rite 5P2RE-3 |
|---|---|---|
| Power consumption | 1.25 kW | 1.08 kW |
| Annual energy cost | £474.30 | £409.80 |
| Expected lifespan | 5-7 years | 12-15 years |
| Warranty | 1 year | 3 years |
| 10-year replacements | 1-2 required | None expected |
💰 Annual energy saving: £64.50 📈 10-year energy saving: £645.00 💷 Avoided replacement costs: £600-1,200+ 📊 Total 10-year advantage: £1,245-1,845+
💡 Budget insight: For educational institutions, the 5P2RE-3’s combination of low running costs, extended lifespan, and comprehensive warranty delivers superior long-term value despite a higher initial purchase price.
📍 Scenario: Municipal Pool Tender – Lifecycle Costing
The situation: A local council is evaluating tenders for pool pump replacement. Evaluation period: 15 years. Operation: 10 hours/day, 320 days (3,200 hours annually).
| Lifecycle Element | Budget Tender | ✅ Sta-Rite 5P2RE-3 |
|---|---|---|
| Purchase price | Lower | Moderate |
| Annual energy cost | £987.36 (1.17kW) | £910.27 (1.08kW) |
| 15-year energy cost | £14,810.40 | £13,654.05 |
| Expected replacements | 2 (years 6, 12) | 0-1 (year 12-15) |
| Replacement cost | £1,400-2,000 | £0-700 |
| Warranty claims risk | Higher | Lower |
💰 15-year energy saving: £1,156.35 💷 Avoided replacements: £700-1,300 📊 Total lifecycle advantage: £1,850-2,450+
📥 Downloads & Resources
📄 Sta-Rite 5P2R Series Technical Manual – Comprehensive 12-page manual covering the complete 5P2R range including the three-phase 5P2RE-3 model
Manual Contents Include:
- Complete specifications for all 5P2R series models (single and three-phase variants)
- Performance curves showing flow rates across the full head range
- Electrical wiring diagrams for three-phase (380-420V) installation
- Motor protection and control box requirements for three-phase models
- Detailed installation guidelines including piping best practices
- Pump priming, startup, and commissioning procedures
- Winterisation, storage, and seasonal shutdown instructions
- Step-by-step mechanical seal replacement procedures
- Comprehensive troubleshooting guide for common issues
- Exploded parts diagram with individual part numbers
- Seal and gasket kit information (Parts-Pak No. PP 1000)
🔌 Why Buy From Parts4Tubs?
✅ Genuine Pentair/Sta-Rite Product – Authentic Italian-manufactured pump with full manufacturer warranty, not grey imports or reconditioned units
✅ Commercial & Trade Expertise – Our team understands commercial pool requirements and can advise on pump sizing, system design, and three-phase electrical considerations
✅ Comprehensive Spare Parts Stock – Full range of 5P2R series spares for lifetime maintenance support – essential for commercial operations minimising downtime
✅ Competitive Commercial Pricing – Professional trade pricing that recognises volume requirements and ongoing business relationships
✅ Fast UK Delivery – Stock items dispatched promptly to minimise costly commercial pool downtime
✅ Full Warranty Administration – We handle warranty claims directly with Pentair, providing hassle-free commercial support
✅ Technical Documentation – Access to installation manuals, wiring diagrams, and specification sheets for project documentation and compliance records
✨ Summary
The Pentair La Sta-Rite 5P2RE-3 delivers the optimal combination of performance and efficiency for medium-sized commercial pool installations. With its IE3-compliant three-phase motor drawing just 1.08kW – 100W less than the single-phase equivalent – this 1.0HP pump offers substantial energy savings for facilities operating 3,000-5,000 hours annually. Annual savings of £79-£375 compared to single-phase alternatives or oversized pumps translate to £800-£3,750+ over a decade. Backed by Italian engineering excellence, premium SKF bearings, and a comprehensive 3-year warranty, the 5P2RE-3 is the professional specification for hotels, health clubs, educational facilities, and commercial pools where efficiency, reliability, and total cost of ownership drive equipment decisions.


