MC753 | 7.5HP (5.6kW) Calpeda Commercial Pool Pump 💧 Professional-Grade Power for Demanding Applications
Industrial-strength circulation that transforms large pools, aquatic facilities, and commercial installations into high-performance systems
📋 Product Overview
The Calpeda MC753 is a commercial-grade, self-priming centrifugal pump engineered for high-demand swimming pool filtration, water circulation, and aquatic facility applications. With a robust 7.5HP (5.6kW) three-phase motor and 3″ BSP suction and delivery ports, this pump delivers exceptional flow rates up to 100m³/hr with impressive head pressure reaching 25 meters.
Built to industrial standards with cast iron construction and a stainless steel shaft, the MC753 represents Calpeda’s commitment to durability and reliability. Its self-priming capability eliminates installation headaches, while the integrated strainer basket protects the pump from debris damage. Whether you’re managing a commercial swimming pool, large residential pool, aquatic center, or water feature, the MC753 delivers the power and dependability professionals demand.
Who it’s designed for: Commercial pool operators, aquatic facility managers, large residential pool owners, and professional pool installers requiring industrial-grade circulation with minimal maintenance requirements.
⭐ Key Features
✅ 7.5HP (5.6kW) Three-Phase Motor – Delivers robust commercial-grade power with efficiency ratings of 80-87% and power factors of 0.83-0.9, ensuring reliable performance in demanding applications
✅ Self-Priming Capability – Automatically primes up to 7 meters suction lift, eliminating manual priming hassles and reducing installation time significantly
✅ Industrial Cast Iron Construction – Both pump body and impeller built from cast iron for exceptional durability and longevity in continuous operation environments
✅ Corrosion-Resistant Stainless Steel Shaft – AISI 303 stainless steel shaft ensures smooth operation and extended service life, even in challenging water chemistry conditions
✅ Integrated Strainer Basket – Built-in AISI 304 stainless steel strainer basket protects internal components from debris, reducing maintenance and preventing damage
✅ Mechanical Seal Technology – Advanced shaft sealing prevents leaks and maintains efficiency throughout the pump’s operational life
✅ Large 3″ BSP Connections – Both suction and delivery ports sized for high-volume flow with minimal friction loss, ideal for commercial installations
✅ IP54 Protection Rating – Suitable for installation in pool equipment rooms and semi-exposed environments (IP55 available on request)
✅ Insulation Class F – High-temperature insulation rating ensures safe, reliable operation in warm environments up to 40°C ambient
✅ Maximum Working Pressure 6 Bar – Designed to handle demanding applications with substantial head requirements and long pipe runs
🔧 Technical Specifications
| Specification | Detail |
|---|---|
| Model | MC753 |
| Power Output | 7.5 HP (5.6 kW) |
| Motor Type | 2-Pole Induction, 3-Phase |
| Voltage | 400/690V (+/-10%) |
| Frequency | 50Hz (60Hz available on request) |
| Running Current | 12.0 Amp |
| Speed | 2900 RPM |
| Suction Port | 3″ BSP (Female Thread) |
| Delivery Port | 3″ BSP (Female Thread) |
| Maximum Flow Rate | 100 m³/hr |
| Maximum Head | 25 meters |
| Maximum Suction Lift | 7 meters |
| Maximum Working Pressure | 6 Bar |
| Pump Body Material | Cast Iron (Bronze available) |
| Impeller Material | Cast Iron (Bronze available) |
| Shaft Material | AISI 303 Stainless Steel |
| Strainer Basket Material | AISI 304 Stainless Steel |
| Mechanical Seal | Standard |
| Insulation Class | F |
| Protection Rating | IP54 (IP55 available) |
| Maximum Fluid Temperature | 60°C |
| Maximum Ambient Temperature | 40°C |
| Sound Pressure Level | ≤ 85 dB(A) |
| Motor Efficiency | 80-87% |
| Power Factor | 0.83-0.9 |
| Net Weight | 87 kg |
Dimensions:
- Length (a): 320mm
- Overall Length (f): 748mm
- Height (h1): 360mm
- Total Height (h2): 440mm
- Installation Height (H): 470mm
- Base Width (w): 319mm
- Mounting Hole Spacing (n1): 280mm
- Mounting Hole Spacing (n2): 212mm
💰 Usage Costs & Running Expenses
📊 Annual Running Cost Calculation
Power Consumption: 5.6 kW
Current UK Energy Rate: 26.35p per kWh (October-December 2025, Ofgem price cap)
🏊 Commercial Pool Scenario (Year-Round Operation)
Usage Pattern: 12 hours per day, 365 days per year
Annual Operating Hours: 4,380 hours
Energy Consumption: 5.6 kW × 4,380 hours = 24,528 kWh
✅ Annual Running Cost: 24,528 kWh × £0.2635 = £6,463
🏊♂️ Seasonal Commercial Pool (6-Month Season)
Usage Pattern: 12 hours per day, 180 days
Annual Operating Hours: 2,160 hours
Energy Consumption: 5.6 kW × 2,160 hours = 12,096 kWh
✅ Annual Running Cost: 12,096 kWh × £0.2635 = £3,187
🏢 Large Residential Pool (Seasonal Use)
Usage Pattern: 8 hours per day, 180 days
Annual Operating Hours: 1,440 hours
Energy Consumption: 5.6 kW × 1,440 hours = 8,064 kWh
✅ Annual Running Cost: 8,064 kWh × £0.2635 = £2,125
⚡ Energy Efficiency Benefits
The MC753’s high-efficiency motor (80-87%) and excellent power factor (0.83-0.9) mean you’re getting maximum hydraulic output for every kWh consumed. Compared to older, less efficient pumps, this translates to:
✅ Lower electricity costs for the same circulation performance
✅ Reduced carbon footprint through better energy conversion
✅ Compliance with modern energy standards for commercial installations
🎯 Real World Applications & Usage Scenarios
🏊♂️ Commercial Swimming Pools
Perfect for hotels, leisure centers, and public pools requiring continuous high-volume circulation. The 100m³/hr capacity handles large pool volumes efficiently, while the 7-meter suction lift allows flexible equipment room placement.
Typical Performance: Filters 100,000 litres in approximately 1 hour, ideal for busy facilities requiring rapid turnover rates.
🏢 Aquatic Centers & Competition Pools
Designed for Olympic-sized pools and multi-pool facilities where reliability is non-negotiable. The robust cast iron construction withstands continuous operation, while the mechanical seal ensures leak-free performance.
Installation Advantage: Self-priming capability simplifies installation in pump rooms located above water level.
🌊 Large Water Features & Ornamental Ponds
Delivers impressive head pressure for fountains and waterfalls up to 25 meters height. The stainless steel strainer basket handles debris from outdoor environments without clogging.
Maintenance Benefit: Easy-access strainer basket allows quick cleaning without disconnecting pipes.
🏠 Large Residential Pools
For homeowners with extensive pool installations (100,000+ litres) requiring commercial-grade reliability. The MC753 provides professional-level filtration with simple operation.
Energy Management: Programmable timers optimize circulation schedules to minimize running costs.
🔄 Filtration System Upgrades
Ideal replacement for aging pumps in established facilities. The standardized 3″ BSP connections facilitate straightforward retrofits without extensive pipe modifications.
Performance Gain: Upgrading from older, less efficient pumps can reduce energy consumption by 15-25% while improving filtration efficiency.
💡 Cost Savings Examples
💰 Scenario 1: Upgrading from an Older 7.5HP Pump
📍 Application: Commercial leisure center pool operating 12 hours daily, 365 days per year
❌ Old Pump Specifications:
- Power: 7.5HP but only 70% efficient
- Actual power draw: 6.4 kW
- Annual consumption: 6.4 kW × 4,380 hrs = 28,032 kWh
- Annual cost: 28,032 kWh × £0.2635 = £7,386
✅ MC753 Calpeda Pump:
- Power: 5.6 kW with 80-87% efficiency
- Annual consumption: 5.6 kW × 4,380 hrs = 24,528 kWh
- Annual cost: 24,528 kWh × £0.2635 = £6,463
💷 Annual Saving: £923
📈 3-Year Saving: £2,769
⏱️ Payback Period: Approximately 2.5 years based on typical installation costs
💰 Scenario 2: Right-Sizing Your Pump Installation
📍 Application: Large residential pool previously over-pumped with a 10HP unit
❌ Previous Setup (10HP Pump):
- Power: 7.5 kW (oversized for application)
- Usage: 8 hours daily, 180 days seasonally
- Annual consumption: 7.5 kW × 1,440 hrs = 10,800 kWh
- Annual cost: 10,800 kWh × £0.2635 = £2,846
✅ Optimized MC753 Setup:
- Power: 5.6 kW (properly sized)
- Usage: 8 hours daily, 180 days
- Annual consumption: 5.6 kW × 1,440 hrs = 8,064 kWh
- Annual cost: 8,064 kWh × £0.2635 = £2,125
💵 Annual Saving: £721
📊 Percentage Reduction: 25.3% lower energy costs
Additional Benefits: Reduced noise, longer equipment life, improved filtration control
💰 Scenario 3: Commercial Pool Energy Management
📍 Application: Hotel pool transitioning from continuous to optimized circulation schedule
❌ Previous Operation (Continuous 24/7):
- Running hours: 8,760 hours annually
- Annual consumption: 5.6 kW × 8,760 hrs = 49,056 kWh
- Annual cost: 49,056 kWh × £0.2635 = £12,927
✅ Optimized Schedule (12 hours daily during peak use):
- Running hours: 4,380 hours annually
- Annual consumption: 5.6 kW × 4,380 hrs = 24,528 kWh
- Annual cost: 24,528 kWh × £0.2635 = £6,463
💰 Annual Saving: £6,464
🌱 Environmental Impact: 24,528 kWh reduction = approximately 5.5 tonnes CO₂ saved annually
Note: Proper circulation scheduling should maintain water quality standards. Consult with pool professionals to determine optimal runtime for your specific application.
📥 Downloads & Resources
📄 Installation & Operating Manual – Comprehensive guide covering installation, operation, maintenance, and troubleshooting in multiple languages (English, French, German, Spanish, Swedish, Dutch) (PDF, 4.2MB)
View Manual
📄 Technical Datasheet & Specifications – Detailed specifications, performance curves, dimensions, and electrical requirements for the complete MC-series range (PDF, 1.8MB)
View Datasheet
📄 Performance Curves – Graphical representation of flow rate vs. head performance across the operating range (included in technical datasheet)
📄 Dimensional Drawings – Precise measurements and mounting specifications for installation planning (included in manual)
📄 Wiring Diagrams – Electrical connection schematics for three-phase configurations (included in manual)
📄 Parts List & Exploded View – Complete spare parts identification with position numbers for maintenance and repairs (included in manual)
📄 CE Declaration of Conformity – Official certification of compliance with EU Directives 2004/108/CE, 2006/42/CE, and 2006/95/CE (included in manual)
🏆 Why Choose the Calpeda MC753?
✅ Italian Engineering Excellence – Manufactured by Calpeda, a leading European pump manufacturer with decades of experience in commercial pool equipment
✅ Proven Reliability in Demanding Applications – Cast iron construction and industrial-grade components ensure years of trouble-free operation in continuous-duty environments
✅ Lower Total Cost of Ownership – High-efficiency motor and robust construction mean lower energy bills and reduced maintenance expenses over the pump’s lifetime
✅ Flexible Installation Options – Self-priming capability and 7-meter suction lift accommodate challenging site conditions where equipment rooms must be located above water level
✅ Professional Support & Documentation – Comprehensive multilingual manuals, detailed technical specifications, and readily available spare parts ensure long-term serviceability
✅ Compliant with UK & EU Standards – Full CE certification and compliance with electrical safety standards provide peace of mind for commercial installations
✅ Upgrade Path Available – Bronze construction available for corrosive water conditions, IP55 protection for exposed installations, and 60Hz motors for international applications
✅ Reduced Installation Complexity – Standard 3″ BSP connections and proven design simplify installation and reduce labor costs for professional installers
✅ Commercial-Grade Performance Without Commercial Complexity – Professional power and reliability in a straightforward, user-friendly package suitable for both commercial operators and residential applications
🛒 Why Buy From Parts4Tubs?
✅ Authorized Calpeda Distributor – Genuine factory-direct products with full manufacturer warranty and technical support
✅ Expert Technical Guidance – Our team of pool equipment specialists can help you select the right pump and provide installation advice
✅ Competitive Pricing – Best value on professional-grade pool equipment without compromising on quality or service
✅ Fast UK Delivery – Quick dispatch and reliable delivery to get your project moving without delays
✅ Comprehensive Documentation – Complete installation manuals, technical datasheets, and wiring diagrams included with every pump
✅ After-Sales Support – Ongoing technical assistance and genuine spare parts availability for the life of your pump
✅ Industry Experience – Over [X] years supplying pool professionals, commercial facilities, and discerning homeowners across the UK
✨ Summary
The Calpeda MC753 represents the gold standard in commercial pool pump engineering – combining industrial-strength construction, self-priming convenience, and energy-efficient operation in a proven, reliable package. Whether you’re managing a commercial aquatic facility, upgrading a large residential pool, or installing a new high-performance filtration system, the MC753 delivers the power, durability, and efficiency modern pool applications demand.
With its 5.6kW high-efficiency motor, cast iron construction, and comprehensive protection features, this pump provides years of dependable service with minimal maintenance. The integrated strainer basket, mechanical seal, and stainless steel shaft ensure long-term reliability, while the self-priming capability simplifies installation in challenging configurations.
Invest in professional-grade performance backed by Italian engineering excellence. The Calpeda MC753 – where power meets reliability.



