💧 AQUA103 | 1HP (0.75kW) Three-Phase Pump – 1.5″/2″ Suction & Delivery

Professional Three-Phase Pool Circulation – Maximum Efficiency for Commercial & Large Residential Applications

📋 Product Overview

The AQUA103 represents the latest generation of the proven Certikin Aquaspeed range, delivering reliable 1HP (0.75kW) three-phase performance for efficient pool circulation. This robust commercial-grade pump combines powerful flow rates with the superior energy efficiency that only three-phase motors can provide, making it the ideal choice for medium to large residential pools, leisure facilities, and small commercial installations.

Built to the exacting standards Certikin is known for, the AQUA103 features a single-piece fibreglass-filled body for maximum durability, a 316 high-grade mechanical seal for long-term reliability, and hydraulically optimised internals that maximise output while minimising turbulence. The clear inspection lid and included quick unions make installation and maintenance straightforward, while salt pool compatibility ensures versatility across different water treatment systems.

Whether you’re upgrading an existing Aquaspeed installation or specifying equipment for a new project, the AQUA103 delivers commercial-grade performance with the running cost advantages that three-phase motors are renowned for. This is professional pool equipment built for demanding applications where reliability and efficiency are non-negotiable.

⭐ Key Features

✅ Powerful 1HP (0.75kW) Three-Phase Motor – Delivers consistent, efficient performance with the inherent reliability and lower running costs of three-phase operation, ideal for commercial and large residential applications

✅ Flexible Connection Options (1.5″/2″) – Supplied with 2″ quick unions plus 1.5″ reducers, allowing seamless integration with existing pipework configurations without additional adapters

✅ Crystal Clear Inspection Lid – Solid transparent cover enables instant visual inspection of the strainer basket without disassembly, reducing maintenance time and improving operational efficiency

✅ 316 High-Grade Mechanical Seal – Marine-grade seal material provides superior corrosion resistance and extended service life, even in harsh salt chlorinated pool environments

✅ Hydraulically Optimised Design – Precision-engineered impeller and diffuser deliver maximum flow output while minimising energy-wasting turbulence, translating directly to lower operating costs

✅ Single-Piece Fibreglass-Filled Body – UV-stabilised, corrosion-resistant construction provides exceptional structural integrity and longevity, eliminating common failure points found in multi-piece designs

✅ Salt Pool Compatible – Fully approved for use with salt chlorinated pools, the robust materials resist the accelerated corrosion that damages lesser-quality pumps

✅ Direct Aquaspeed Footprint Replacement – Maintains identical mounting and connection positions as previous Aquaspeed models, making retrofits and upgrades completely straightforward

✅ TUV Approved & Certikin Exclusive – Meets rigorous European safety standards with manufacturing quality only available through official Certikin distribution channels

✅ Comprehensive Warranty Coverage – Limited 2-year warranty on pump components (1 year on mechanical seal) provides commercial-grade protection and peace of mind

🔧 Technical Specifications

Specification	Detail
Model Number	AQUA103
Motor Power	1HP (0.75kW)
Phase Type	Three-Phase
Voltage	380/415V
Motor Speed	2,850 RPM
Suction Connection	1.5″ / 2″ (reducers included)
Delivery Connection	1.5″ / 2″ (reducers included)
Unions Included	2″ quick unions (fitted)
Body Material	UV-stabilised fibreglass-filled
Mechanical Seal	316 high-grade stainless steel
Motor Protection	IP55 totally enclosed fan cooled
Insulation Class	Class F with thermal protection
Shaft Material	316 grade stainless steel
Maximum Water Temperature	+50°C (122°F)
Operational Temperature	0°C to 40°C optimal range
Salt Pool Compatibility	Yes – fully approved
Motor Cable	Supplied without cable (standard 3-phase)
Pump Weight	16kg
Overall Length (L)	586mm
Overall Width	200mm
Overall Height	310mm
Carton Dimensions	68cm (l) × 29cm (w) × 35cm (h)
Approval Certifications	TUV, CE
Warranty	2 years (pump), 1 year (seal)

Performance Data at Key Operating Points (Head in metres)

Head (m)	4m	6m	8m	10m	11m	12m	15m	16m	18m
Flow Rate (m³/h)	20	18	17	15	13.5	12.5	9	–	5

💰 Usage Costs & Running Expenses

📊 Annual Running Cost Calculation

The AQUA103’s three-phase motor provides significant operational advantages over equivalent single-phase pumps, particularly in commercial applications where extended run times are common.

Current UK Commercial Electricity Rates (November 2025):

• Average commercial rate: £0.26 per kWh
• Rate used for calculations: £0.26 per kWh (conservative estimate)

🏊 Typical Commercial Pool Application

Standard Filtration Cycle (8 hours daily, seasonal operation):

• Motor power consumption: 0.75kW
• Daily operating hours: 8 hours
• Seasonal operation: 180 days per year (6-month season)
• Annual consumption: 0.75kW × 8 hours × 180 days = 1,080 kWh/year

💷 Annual Running Cost: 1,080 kWh × £0.26 = £280.80 per year

💸 Monthly running cost (during season): £280.80 ÷ 6 months = £46.80 per month

🛁 Year-Round Heated Pool Operation

Extended Circulation (10 hours daily, year-round):

• Motor power consumption: 0.75kW
• Daily operating hours: 10 hours
• Annual operation: 365 days
• Annual consumption: 0.75kW × 10 hours × 365 days = 2,737.5 kWh/year

💷 Annual Running Cost: 2,737.5 kWh × £0.26 = £711.75 per year

💸 Monthly running cost: £711.75 ÷ 12 months = £59.31 per month

⚡ Three-Phase Efficiency Advantage

Three-phase motors like the AQUA103 offer inherent efficiency advantages over single-phase alternatives:

Comparison: AQUA103 (3-Phase) vs. AQUA101 (Single-Phase 1HP)

Both pumps deliver identical hydraulic performance (same flow rates and pressure), but the operational characteristics differ:

Energy Efficiency Characteristics:

• ✅ Three-Phase (AQUA103): More efficient power conversion, particularly under load
• ✅ Three-Phase advantage: Smoother power delivery reduces electrical losses
• ✅ Three-Phase benefit: Better suited to extended run times without thermal degradation
• ❌ Single-Phase (AQUA101): Higher peak current draw, more thermal cycling

Practical Operating Cost Implications:

For the year-round heated pool scenario (2,737.5 kWh annually):

• ✅ AQUA103 (three-phase): £711.75/year at full rated efficiency
• ⚡ Efficiency advantage: Three-phase motors typically maintain efficiency better under sustained loads
• 💰 Long-term benefit: Reduced thermal stress extends component life, lowering total cost of ownership

📈 Long-Term Cost Projection

3-Year Operating Cost (Seasonal Pool – 180 days/year @ 8 hours/day):

• Year 1: £280.80
• Year 2: £280.80
• Year 3: £280.80
• Total 3-year cost: £842.40

5-Year Operating Cost (Seasonal Pool):

• Total 5-year cost: £1,404.00

10-Year Operating Cost (Seasonal Pool):

• Total 10-year cost: £2,808.00

Note: Calculations assume stable energy rates. Actual costs may vary with tariff changes. Three-phase operation provides better protection against efficiency degradation over time compared to single-phase alternatives.

🎯 Real World Examples & Applications

🏊‍♂️ Medium to Large Residential Pools

The AQUA103 is perfectly sized for residential pools in the 60,000-100,000 litre range where efficient, reliable circulation is essential. The three-phase motor provides whisper-quiet operation compared to single-phase alternatives, making it ideal for installations near living areas. Homeowners benefit from lower running costs and extended equipment life, with the pump typically operating 8 hours daily during the swimming season to maintain crystal-clear water quality.

🏢 Small Commercial & Leisure Facilities

Leisure centres, holiday parks, and small hotel pools rely on the AQUA103’s commercial-grade construction for dependable year-round operation. The three-phase motor handles extended run times without thermal stress, while the 316 mechanical seal resists the aggressive chemicals used in commercial water treatment. Facility managers appreciate the clear inspection lid for quick basket checks without disrupting operation, reducing maintenance downtime.

🏠 Large Residential Installations

High-end residential properties with substantial pool installations benefit from the AQUA103’s combination of power and efficiency. Whether circulating water for in-floor cleaning systems, driving water features, or supporting advanced filtration equipment, the pump delivers consistent performance. The salt pool compatibility makes it perfect for modern installations using salt chlorination systems popular in luxury properties.

🔄 Aquaspeed Upgrades & Replacements

Pool operators replacing ageing Aquaspeed pumps find the AQUA103 offers a direct retrofit solution. The identical footprint means existing mounting and pipework remain unchanged, eliminating costly re-plumbing. Facilities upgrading from older single-phase models immediately benefit from the superior efficiency and reduced operating costs of three-phase operation, with payback periods often under 3-4 years in commercial applications.

☀️ Seasonal Pool Operations

Outdoor pools operating seasonally from April to September benefit from the AQUA103’s efficiency during peak usage months. The pump handles the demanding summer period reliably, then drains completely for winter storage (drain plug provided). The UV-stabilised body resists degradation from sun exposure, while the robust construction withstands seasonal installation and removal cycles year after year.

🌊 Salt Chlorinated Pools

Modern pools using salt chlorination systems require pumps specifically designed to resist the accelerated corrosion salt causes. The AQUA103’s 316 mechanical seal and corrosion-resistant body materials are engineered for salt environments, providing reliable long-term service where standard pumps would fail prematurely. This makes it the preferred choice for new salt pool installations and retrofits.

💡 Cost Savings & Efficiency Benefits

📍 Scenario 1: Replacing an Older Inefficient Pump

Situation: A leisure facility currently operates an older 1HP pump installed 15 years ago. The ageing unit runs inefficiently and requires frequent seal replacements.

Old Pump Operating Profile:

• Power consumption: ~0.90kW (efficiency degraded with age)
• Operating hours: 10 hours/day, 365 days/year
• Annual consumption: 3,285 kWh
• ❌ Current annual cost: 3,285 kWh × £0.26 = £854.10
• ❌ Additional maintenance: Seal replacements every 12-18 months = ~£150/year
• ❌ Total annual cost: £1,004.10

AQUA103 Upgrade Benefits:

• Power consumption: 0.75kW (new, efficient motor)
• Same operating hours: 10 hours/day, 365 days/year
• Annual consumption: 2,737.5 kWh
• ✅ New annual cost: 2,737.5 kWh × £0.26 = £711.75
• ✅ Reduced maintenance: Premium 316 seal, longer service intervals = ~£50/year
• ✅ Total annual cost: £761.75

💰 Annual Savings: £1,004.10 – £761.75 = £242.35 per year

⏱️ Payback Period: Assuming AQUA103 installed cost of ~£600-700, payback achieved in approximately 2.5-3 years

📈 5-Year Total Savings: £242.35 × 5 = £1,211.75 (after equipment cost recovered)

📍 Scenario 2: New Installation – Three-Phase vs. Single-Phase Choice

Situation: A new pool construction project requires a 1HP pump. The facility has three-phase power available and is evaluating AQUA103 (3-phase) versus AQUA101 (single-phase).

Single-Phase Option (AQUA101):

• Installation cost: ~£500-550 (slightly lower equipment cost, readily available supply)
• Power consumption: 0.75kW rated (under ideal conditions)
• Operating profile: 8 hours/day, 180 days/year = 1,080 kWh
• ❌ Annual running cost: £280.80
• ❌ Higher thermal cycling: More stress on motor windings
• ❌ Peak current demands: Higher starting currents

Three-Phase Option (AQUA103):

• Installation cost: ~£550-650 (requires 3-phase supply, professional electrical installation)
• Power consumption: 0.75kW (more stable efficiency across load range)
• Same operating profile: 8 hours/day, 180 days/year = 1,080 kWh
• ✅ Annual running cost: £280.80 (baseline)
• ✅ Superior motor longevity: Less thermal stress extends service life
• ✅ Smoother operation: Lower electrical losses, better suited to sustained loads
• ✅ Future-proofed: Better positioned for potential facility expansion

💡 Key Decision Factors:

While both pumps show similar annual energy consumption at face value, the three-phase AQUA103 offers:

• 💰 Better long-term efficiency retention as motors age
• 🔧 Extended motor life due to lower thermal cycling
• ⚡ More stable electrical demand reducing stress on facility supply
• 📈 Commercial-grade reliability for demanding applications

⏱️ Cost Differential Recovery: The £50-100 initial cost premium is recovered through extended service life and reduced maintenance over the pump’s operational lifespan.

📍 Scenario 3: Energy Cost Protection Strategy

Situation: A facility manager wants to calculate exposure to future energy price increases.

Current Scenario (AQUA103, seasonal operation):

• Annual consumption: 1,080 kWh
• Current rate: £0.26/kWh
• ✅ Current annual cost: £280.80

If Energy Prices Increase by 20% (to £0.312/kWh):

• ❌ Inefficient old pump (3,285 kWh): 3,285 × £0.312 = £1,024.92/year
• ✅ Efficient AQUA103 (1,080 kWh): 1,080 × £0.312 = £336.96/year

💰 Annual Savings at Higher Rates: £1,024.92 – £336.96 = £687.96 per year

📊 Protection Value: By operating the efficient AQUA103, the facility saves £687.96 annually compared to continuing with an inefficient old pump if energy prices rise 20%.

📍 Scenario 4: Total Cost of Ownership (10-Year Horizon)

Comprehensive cost comparison over 10 years (seasonal pool operation):

Option A: Continue with Ageing Single-Phase Pump

• Annual energy: 3,285 kWh @ £0.26 = £854.10
• 10-year energy cost: £8,541.00
• Seal replacements (7 @ £150): £1,050.00
• Emergency repairs/downtime: ~£500.00
• ❌ Total 10-year cost: £10,091.00

Option B: Upgrade to AQUA103 Today

• Initial investment: £650.00
• Annual energy: 1,080 kWh @ £0.26 = £280.80
• 10-year energy cost: £2,808.00
• Seal replacements (2 @ £80): £160.00
• Minimal unplanned maintenance: ~£100.00
• ✅ Total 10-year cost: £3,718.00

💷 10-Year Total Savings: £10,091.00 – £3,718.00 = £6,373.00

📈 Return on Investment: For every £1 invested in the AQUA103 upgrade, save £9.80 over 10 years

📥 Downloads & Resources

Access comprehensive technical documentation for the AQUA103 pump:

📄 Aquaspeed Pump Installation & Service Manual – Complete installation instructions, electrical connection diagrams, maintenance procedures, and troubleshooting guide (PDF)

📄 Certikin Aquaspeed Range Technical Brochure – Full product specifications, performance curves, dimensional drawings, and complete Aquaspeed range information (PDF)

🏆 Why Choose This Product

✅ Proven Commercial-Grade Reliability – The latest generation of Certikin’s industry-leading Aquaspeed range, built on decades of engineering excellence and trusted by pool professionals throughout the UK

✅ Three-Phase Efficiency Advantage – Superior motor technology delivers smoother operation, lower thermal stress, and better sustained efficiency compared to single-phase alternatives, reducing long-term operating costs

✅ Future-Proof Investment – Robust construction, premium materials, and professional-grade components ensure years of dependable service, protecting against rising energy costs and minimising total cost of ownership

✅ Direct Retrofit Compatibility – Maintains the original Aquaspeed footprint and connection configuration, making upgrades completely straightforward without expensive re-plumbing or modifications

✅ Comprehensive Application Versatility – From large residential pools to small commercial facilities, salt chlorinated systems to traditional chlorine treatment, the AQUA103 handles diverse requirements with equal capability

✅ Superior Component Quality – 316 marine-grade mechanical seal, Class F motor insulation, 316 stainless steel shaft, and UV-stabilised body materials deliver exceptional durability in demanding pool environments

✅ Professional Support Network – TUV-approved design backed by Certikin’s extensive UK distribution and technical support infrastructure, with 2-year warranty coverage for complete peace of mind

✅ Operational Cost Transparency – Clear, calculable running costs enable accurate budgeting and financial planning, with three-phase efficiency delivering measurable savings in commercial applications where every penny counts

🤝 Why Buy From Parts4Tubs?

✅ Genuine OEM Equipment – We supply authentic Certikin products with full manufacturer warranties, never grey imports or counterfeit components that compromise performance and safety

✅ Expert Technical Knowledge – Our team understands commercial pool applications and can provide guidance on pump selection, installation requirements, and integration with existing systems

✅ Competitive Trade Pricing – Professional-grade equipment at prices that make sense for contractors, facility managers, and serious pool operators

✅ Fast, Reliable Delivery – We understand downtime costs money. Stock items ship quickly to minimise disruption to your pool operations

✅ Post-Purchase Support – Technical questions? Installation advice? We’re here to help ensure your AQUA103 delivers optimal performance from day one

✅ Complete Product Range – Beyond pumps, we stock the full complement of commercial pool equipment, filters, spares, and accessories to support your facility

✨ Summary

The AQUA103 represents professional three-phase pool circulation at its finest – combining proven Certikin engineering with the efficiency advantages only three-phase motors can deliver. Whether you’re upgrading an ageing pump, specifying equipment for a new installation, or replacing a failed unit in a commercial facility, the AQUA103 offers the reliability, efficiency, and longevity that demanding applications require.

With annual running costs from just £280.80 for seasonal operation, robust commercial-grade construction, and the financial protection of reduced energy consumption, the AQUA103 delivers measurable value year after year. The comprehensive 2-year warranty, TUV approval, and Certikin’s reputation for excellence provide the assurance serious pool operators demand.

Invest in equipment that works as hard as you do. Choose the AQUA103 – professional performance, proven reliability, and the efficiency advantages of three-phase operation.