♨️ HS-PRO Flow Spa Pump 2HP 1-Speed – 56 Frame
Precision-engineered jet pump delivering powerful hydrotherapy performance for your hot tub
💧 Product Overview
The HS-PRO Flow Spa Pump is a high-performance single-speed jet pump designed specifically for hot tub and spa applications. Built around a quality EMG motor paired with the HS-PRO rotatable wet end, this 2 horsepower pump delivers the powerful water flow essential for an invigorating hydrotherapy experience.
Featuring a 56 frame configuration with European-style finned motor body, this pump offers exceptional heat dissipation for reliable, long-lasting operation. The self-draining side discharge design, combined with 2-inch union connections at both suction and discharge ports, ensures straightforward installation and compatibility with a wide range of hot tub systems.
The rotatable wet end is a standout feature, allowing you to orient the discharge port to suit your specific plumbing layout without the need for additional fittings or awkward pipe runs. This makes it an ideal cost-effective replacement for a faulty pump or as an upgrade to your existing system.
⭐ Key Features
✅ 2HP Single-Speed Motor – Delivers 1.5 kW of power at 2800 RPM for strong jet performance
✅ 56 Frame Design – Industry-standard frame size for broad compatibility with existing installations
✅ EMG European Motor – Quality Italian-made motor with finned body for efficient heat dissipation
✅ Rotatable Wet End – Adjustable discharge orientation for flexible installation options
✅ 2-Inch Union Connections – 79mm suction and discharge ports with included unions for easy plumbing
✅ Self-Drain Configuration – Side discharge design prevents water accumulation and freezing
✅ 9.5 Amp Draw – Efficient power consumption suitable for standard spa electrical systems
✅ Rear-Mounted Cooling Fan – Draws ambient air through external fins for cooler running temperatures
✅ Top-Mounted Electrical Box – Accessible wiring connections for straightforward installation
✅ Sealed Bearings – Maintenance-free bearing design for extended service life
🔧 Technical Specifications
| Specification | Value |
|---|---|
| Pump Type | Single-Speed Jet Pump |
| Motor Power | 2.0 HP / 1.5 kW |
| Speed Settings | Single Speed |
| Motor Speed | 2800 RPM |
| Voltage | 230 V |
| Frequency | 50 Hz |
| Amperage | 9.5 A |
| Capacitor | 25 µF |
| Frame Type | 56 Frame |
| Motor Type | EMG Finned Body (European Style) |
| Wet End Size | 2 inch |
| Discharge Port | 2 inch / 79 mm (Side) |
| Suction Port | 2 inch / 79 mm (Centre) |
| Port Configuration | Centre Suction / Side Discharge |
| Dimensions (L × W × H) | 430 × 200 × 230 mm |
| Motor Shaft Diameter | 13 mm |
| Cable Included | No – reuse existing or purchase separately |
⚡ Electrical Requirements
| Electrical Specification | Requirement |
|---|---|
| Supply Voltage | 230 V |
| Frequency | 50 Hz |
| Phase | Single Phase |
| Full Load Amps | 9.5 A |
| Capacitor Rating | 25 µF |
| Cable | Not Included |
⚠️ IMPORTANT:
All electrical work must be carried out by a qualified electrician in accordance with UK wiring regulations (BS 7671). Hot tubs require RCD protection (30mA). This pump is supplied without a power cable – your existing cable can be transferred from your old pump, or a new cable can be purchased separately.
🔄 Compatibility Guide
Frame Dimensions:
| Frame Type | Diagonal Bolt Pattern | Application |
|---|---|---|
| 48 Frame | 130 mm | Compact installations |
| 56 Frame | 147 mm | Standard hot tub pumps |
This Pump:
📍 Frame: 56 Frame (147 mm diagonal bolt pattern)
📍 Wet End: 2 inch
📍 Discharge: 2 inch / 79 mm Side Discharge
📍 Suction: 2 inch / 79 mm Centre
📍 Motor Type: EMG European Finned Body
Compatible With:
This pump uses industry-standard 56 frame dimensions and 2-inch wet end connections, making it compatible with many hot tub brands including those originally fitted with Waterway Executive, Aqua-flo XP2/XP2e, and similar 56 frame pumps.
Motor Compatibility:
The EMG motor is designed as a direct replacement for 56 frame motors from manufacturers including Waterway, Aqua-flo, EME, AO Smith, Franklin Electric, Century Laser, and US Motors.
🛠️ Installation Requirements
Mounting:
| Requirement | Specification |
|---|---|
| Mounting Position | Horizontal |
| Base | Solid, level, vibration-dampening surface |
| Ventilation | Minimum 50 mm clearance around motor for cooling airflow |
| Access | Sufficient clearance for electrical connections and maintenance |
Plumbing:
| Connection | Size |
|---|---|
| Suction Port | 2 inch / 79 mm (Centre) |
| Discharge Port | 2 inch / 79 mm (Side) |
| Union Type | 2 inch pump unions included |
Installation Notes:
⚠️ Pump must be installed below water level (flooded suction) to ensure proper priming
⚠️ Never run pump dry – this causes immediate seal damage and motor overheating
⚠️ Ensure proper bonding to earth as per BS 7671 regulations
⚠️ The wet end can be rotated to adjust discharge direction – see manufacturer guidance for rotation procedure
⚠️ Allow adequate ventilation around the motor for cooling fan operation
⚙️ Maintenance Guide
Routine Maintenance:
| Task | Frequency | Notes |
|---|---|---|
| Check for leaks | Monthly | Inspect around seal plate and union connections |
| Inspect unions | Monthly | Tighten if any weeping is detected |
| Check motor ventilation | Quarterly | Ensure cooling fins are clear of debris |
| Inspect mounting | Quarterly | Tighten bolts if vibration has loosened them |
| Verify amperage | Annually | Should read close to 9.5 A under normal load |
| Clean strainer basket | As needed | Remove debris from filtration system |
Warning Signs – Replace Pump If:
- Unusual noise such as grinding, screeching, or humming without rotation
- Water leaking from the seal plate area
- Motor repeatedly trips the circuit breaker
- Noticeably reduced water flow to jets
- Motor running excessively hot or cutting out on thermal overload
- Visible damage to motor housing or wet end
Seal Replacement:
📍 Compatible Seal: PS-1000 (5/8 inch / 15.8 mm shaft)
📍 Seal Type: Standard spa pump mechanical seal
⚠️ Replace seal at first sign of leakage to prevent motor damage
💪 Ideal Applications
| Application | Suitability | Notes |
|---|---|---|
| ♨️ Hot tub jet pump | ✅ Yes | Designed specifically for spa jet operation |
| ♨️ Spa boost pump | ✅ Yes | Single-speed ideal for high-power jet zones |
| 🛁 Whirlpool bath | ✅ Yes | Suitable for larger whirlpool systems |
| 🔄 Circulation pump | ❌ No | Too powerful – use dedicated circulation pump |
❓ Frequently Asked Questions
Q: What horsepower is this pump?
A: This is a 2 HP (2.0 horsepower) pump with a power output of 1.5 kW.
Q: Will this fit my hot tub?
A: This pump has a 56 frame with 2-inch wet end. Check your existing pump for a 56 frame (147 mm diagonal bolt pattern) and 2-inch union connections. The rotatable wet end allows the discharge to be oriented to suit most plumbing configurations.
Q: What voltage does this pump require?
A: 230V / 50Hz single phase. All electrical installation must be carried out by a qualified electrician to BS 7671 standards.
Q: Is this a single or dual speed pump?
A: This is a single-speed pump running at 2800 RPM. It provides constant high-speed operation for jet pumps. If you need a two-speed pump for low-speed filtration and high-speed jets, a different model is required.
Q: What size are the ports?
A: Suction: 2 inch / 79 mm (centre). Discharge: 2 inch / 79 mm (side). Both ports include unions for easy connection.
Q: Is a power cable included?
A: No, this pump is supplied without a power cable. You can reuse your existing cable from your old pump, or purchase a compatible AMP cable separately. This ensures you have the correct plug type for your specific spa pack.
Q: What warranty is included?
A: This pump includes the manufacturer’s standard warranty. An optional extended 1-year warranty is available for additional peace of mind. Contact Parts4Tubs for full warranty terms.
Q: How do I know if my pump needs replacing?
A: Common signs include unusual noises (grinding, screeching), water leaking from the seal area, reduced jet power, the motor tripping the breaker repeatedly, or the motor running hot and cutting out.
Q: Can I rotate the wet end?
A: Yes, the HS-PRO wet end is designed to be rotatable, allowing you to orient the discharge port to match your plumbing layout.
🏆 Why Choose the HS-PRO Flow 2HP 1-Speed
✅ Powerful Performance – 2HP motor delivers strong water flow for invigorating jet massage
✅ Quality Construction – Premium EMG Italian motor with finned body for superior cooling
✅ Reliable Operation – Sealed bearings and robust design for years of trouble-free service
✅ Flexible Installation – Rotatable wet end adapts to your existing plumbing configuration
✅ Easy Replacement – Standard 56 frame dimensions fit most hot tub installations
✅ Cost-Effective – Quality pump at a competitive price point for budget-conscious buyers
✅ UK Electrical Standards – 230V/50Hz design specifically for the European market
🤝 Why Buy From Parts4Tubs
✅ UK-based company with local expert support
✅ Fast UK delivery – same day dispatch on orders placed before 2pm
✅ Expert advice from dedicated spa specialists
✅ Competitive pricing on quality spa parts
✅ Full warranty support including optional extended warranty
✅ Easy returns within 30 days
✅ Replacement seals, unions, and cables available
✅ Over 20 years of industry experience
✨ Summary
The HS-PRO Flow 2HP 1-Speed spa pump combines a powerful 2 horsepower EMG motor with a versatile rotatable wet end to deliver exceptional jet performance for your hot tub. With 56 frame compatibility, 2-inch union connections, and 230V/50Hz electrical specifications designed for the UK market, this pump offers a reliable and cost-effective solution for replacing a faulty pump or upgrading your existing system. The self-draining side discharge configuration and accessible top-mounted electrical box make installation straightforward, while the finned motor body ensures efficient cooling for extended service life.



