🔌 Davey Spa Power SP800 3kW Control Box – Complete Spa Control System

Professional-grade electronic control pack engineered for versatile hot tub configurations with enhanced 3kW heating capacity

📋 Product Overview

The Davey Spa Power SP800 with 3kW heater is a sophisticated electronic control system designed for mid-level to high-end spa pool installations. Manufactured by Davey Water Products, this versatile controller offers comprehensive pump, heater, blower, and lighting management within a single, professionally engineered unit.

The SP800 control pack features an integrated 3kW heating element housed within a durable engineering plastic heater tube, complete with fluoropolymer-coated element for extended service life. The system incorporates advanced safety features including an optical water sensor, digital temperature sensing, and thermal cut-out protection.

With flexible pump configurations supporting both single and dual-speed pumps, optional circulation pump compatibility, and multiple auxiliary outputs, the SP800 adapts to a wide range of spa designs. The controller’s waterproof AMP connectors and splash-proof enclosure ensure reliable operation in demanding spa cabinet environments, whilst the user-friendly touchpad provides intuitive control with multilingual display capabilities.

Ideal for replacement upgrades and new installations, this control system delivers the dependability and performance expected from Davey’s renowned spa technology range.

⭐ Key Features

✅ 3kW Integrated Heater – Factory-fitted heating element with fluoropolymer coating for corrosion resistance and long service life

✅ Flexible Pump Configuration – Supports single-speed, dual-speed pumps, and optional 24-hour circulation pump arrangements

✅ Multiple Pump Outputs – Control up to two pumps via Pump 1A and Pump 1B sockets (configuration dependent)

✅ Variable Speed Blower Compatible – Dedicated SPVSB socket for Davey Variable Speed Blower with touchpad speed control

✅ Auxiliary Output – Additional AUX socket for single-speed pump, blower, or other mains-powered accessories

✅ Ozone System Ready – Integrated ozonator output socket automatically synchronised with filtration pump operation

✅ LED Lighting Support – Four internal sockets for Davey Spa LED lights plus controlled 12V DC output for third-party lighting

✅ Dual Touchpad Capability – Connect up to two touchpads including optional secondary touchpad for poolside control

✅ Optical Water Sensor – Advanced water detection technology with no moving parts for reliable dry-fire protection

✅ Thermal Cut-Out Protection – Electromechanical safety device activates at 50°C to prevent overheating

✅ Digital Temperature Sensing – Precision temperature monitoring with optional in-pool sensor upgrade for enhanced accuracy

✅ Multilingual Interface – Touchpad display supports seven languages including English, French, German, Dutch, Spanish, Portuguese, and Japanese

⚡ Electrical Specifications

Specification	Value
Input Voltage	220-240V AC
Frequency	50-60Hz
Maximum System Current	40A (Single Phase)
Three Phase Option	15-16A per phase (380-415V)
Heater Output	3.0kW
Heater Type	Fluoropolymer-coated element in engineering plastic tube
Recommended RCD	30mA or less

🔗 Output & Connection Specifications

High Voltage AMP Socket Outputs

Output	Maximum Rating	Notes
Pump 1A	220-240V AC, 10A	Single or dual-speed pump
Pump 1B	220-240V AC, 10A	Single-speed only (when Pump 1A is single-speed)
Auxiliary (AUX)	220-240V AC, 10A	Single-speed pump, blower, or other load
SPVSB	220-240V AC, 7.5A	Davey Variable Speed Blower only
Circulation Pump	220-240V AC, 2.5A	24-hour circulation pump
Ozone	220-240V AC, 2.0A	Ozonator connection

Low Voltage Internal Sockets

Connection	Quantity	Notes
Touchpad Sockets	2	Main and optional secondary touchpad
LED Light Sockets	4	Davey SPVCL or SPCL LED lights
In-Pool Temp Sensor	1	Optional upgrade for improved accuracy
12V DC Light Output	1	Switched output for third-party LED lights (1A max)

Sensor Inputs

Sensor	Type	Notes
Temperature Sensor	Digital (in-heater)	Factory fitted, measures water temperature
In-Pool Sensor	Digital (optional)	Recommended upgrade for precise temperature control
Water Sensor	Optical	Detects water presence for dry-fire protection
Thermal Cut-Out	Electromechanical	Trips at 50°C ±3°C, resets at approximately 40°C

🔄 Compatibility

Compatible Topside Panels

Panel Model	Compatible	Notes
SP800 Oval Touchpad	✅ Yes	Standard touchpad with multicolour LED backlighting
SP800 Narrow Oval Touchpad	✅ Yes	Compact alternative for smaller mounting areas
SP800 Rectangular Touchpad	✅ Yes	Discontinued model, functionally identical
SP800 Secondary Touchpad	✅ Yes	Optional reduced-function poolside control

Compatible Spa Brands

Brand	Compatible	Notes
Roto Spas	✅ Yes	Common OEM fitment
Monarch Spas	✅ Yes	Common OEM fitment
Sapphire Spas	✅ Yes	Common OEM fitment
Various Custom Builds	✅ Yes	Suitable for DIY and custom spa installations

Replacement Compatibility

⚠️ This control box may replace:

• Spa Power SP750 (requires AMP lead conversion if fitted with JJ plugs)
• Earlier SP800-30 models

Note: Compatibility depends on your specific spa configuration. Contact Parts4Tubs for advice on whether this control box suits your system.

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📐 Physical Specifications

Specification	Value
Control Box Height	220mm
Control Box Width	305mm (excluding heater tube)
Heater Tube Length	355mm (without pump unions)
Control Box Depth	90mm
Plumbing Connections	2″ (50mm) socket union sleeves
Enclosure Type	Splash-proof with ventilation
IP Rating	IPX4 (when installed within spa cabinet)
Mounting	Integrated feet with optional extension feet available

🛡️ Safety Features

Safety Feature	Specification
Thermal Cut-Out	Electromechanical device, trips at 50°C ±3°C
Water Detection	Optical water sensor – no moving parts, robust design
Overtemperature Protection	Digital sensor triggers Error 5 at 45°C or above
Dry-Fire Protection	Heater disabled when water not detected (Error 1)
Stuck Relay Detection	Error 7 indicates heater control circuitry fault
Stuck Button Detection	Error 3 prevents continuous unintended operation

Certifications

Certification	Status
RoHS Compliant	✅ Yes
Quality System	ISO 9001 (Davey Head Office & Manufacturing)
Environmental System	ISO 14001 (Davey Head Office & Manufacturing)

💻 Programming & Features

Control Features

• Automatic temperature regulation with adjustable hysteresis
• Programmable filtration cycles with adjustable duration and frequency
• Nine user-configurable alarms for scheduled reminders
• Nine programmable sleep periods for energy-efficient operation
• Automatic pump purging to prevent water stagnation
• Economy and standard heating modes
• Light synchronisation with variable colour LED systems

Programming Capabilities

Feature	Specification
Temperature Range	10.00°C to 41.50°C
Temperature Adjustment	0.25°C increments
Default Set Temperature	37°C
Filtration Settings	Adjustable time and period
Default Filtration	10 minutes every hour
Sleep Periods	Up to 9 programmable periods
Default Sleep Time	11:00pm to 7:00am daily
User Alarms	9 programmable alarms with weekday selection
Maintenance Timers	9 configurable reminders (1-255 weeks)

Diagnostic Features

Feature	Description
Error Code Display	Visual and audible error indication (Errors 1-9)
LED Indicators	Touchpad LCD shows operational status
Self-Diagnostics	Automatic fault detection with specific error codes
Software Version Display	Accessible via diagnostic menu
DIP Switch Status	Viewable through diagnostic display
Temperature Sensor Readings	Real-time monitoring via diagnostics

🔧 Installation Requirements

⚠️ Installation of spa control boxes must be performed by a qualified electrician. Incorrect installation can result in electric shock, fire, or equipment damage.

Pre-Installation Checklist

• [ ] Qualified electrician engaged for all electrical work
• [ ] Electrical supply meets 220-240V AC, 50-60Hz requirements
• [ ] Appropriate RCD/GFCI (30mA or less) installed
• [ ] Dedicated circuit available for spa installation
• [ ] Control box mounting location within spa cabinet identified
• [ ] Plumbing configuration confirmed compatible

Electrical Requirements

Requirement	Specification
Supply Voltage	220-240V AC (single phase) or 380-415V AC (three phase)
Circuit Breaker	Sized for maximum system load (up to 40A single phase)
RCD/GFCI	30mA or less on dedicated circuit
Dedicated Circuit	✅ Required

Plumbing Requirements

Requirement	Specification
Heater Connection	50mm socket union sleeves (hand tighten only)
Water Flow Direction	Left to right (horizontal) or bottom to top (vertical)
Vertical Mounting	Water sensor must be positioned at top

Connection Information

⚠️ Refer to manufacturer wiring diagram and installation manual for all connections.

⚠️ All electrical work must comply with BS 7671 (IET Wiring Regulations) in the UK.

⚠️ Spa electrical installations in the UK require Part P certification.

⚠️ Equipotential bonding to steel reinforcement in concrete bases is recommended per AS/NZS3000:2007 or EN60364.

🔍 Troubleshooting & Error Codes

Common Error Codes

Code	Meaning	Possible Cause
Error 1 (H2O)	Prime Failed – No water detected	Low water level, air in heater tube, blocked filter, water sensor fault
Error 3	Stuck Button	Touchpad damage, water ingress, cable fault
Error 4	No Water Sensor	Sensor disconnected or damaged
Error 5	Overtemperature	Water temperature exceeded 45°C
Error 6	Thermal Cutout Tripped	Heater overheated – insufficient water flow
Error 7	Stuck Relay	Heater control circuitry fault
Error 8	No Temperature Data	Temperature sensor disconnected or faulty
Error 9	Real Time Clock	Internal clock malfunction

General Troubleshooting Tips

⚠️ Always disconnect power before inspecting control box.

⚠️ Only qualified technicians should open the control box enclosure.

⚠️ To reset latching errors (3-8): Press Light Level, Light Effect Mode, Pump 1A, and SPVSB buttons simultaneously.

⚠️ Contact Parts4Tubs or a qualified spa technician for repairs.

🎯 Ideal Applications

Application	Suitability	Notes
🏠 Home hot tub	✅ Excellent	Ideal for domestic spa installations
🏠 Garden spa	✅ Excellent	Versatile configuration options
🏊 Swim spa	⚠️ Consider SP1200	May require higher capacity for larger volumes
🏢 Holiday let	✅ Good	Secondary touchpad option for user-friendly operation
🏢 Commercial	⚠️ Consider SP1200	Evaluate heating capacity requirements
🔄 Replacement/Upgrade	✅ Excellent	Direct replacement for SP750 and earlier SP800 models

❓ Frequently Asked Questions

Q: Will this control box work with my spa? A: The SP800 3kW is compatible with most domestic hot tub configurations requiring 220-240V AC supply. Compatibility depends on your spa’s electrical requirements, pump configuration, and component setup. Contact Parts4Tubs with your spa model details for confirmation.

Q: Do I need a qualified electrician to install this? A: Yes. All spa control box installations must be performed by a qualified electrician in compliance with BS 7671 (IET Wiring Regulations) and Part P certification requirements in the UK.

Q: What topside panel does this work with? A: The SP800 requires SP800-specific touchpads. Compatible options include the SP800 Oval Touchpad, SP800 Narrow Oval Touchpad, or SP800 Secondary Touchpad. The touchpad is sold separately unless specified otherwise.

Q: Can this replace my existing control box? A: The SP800 3kW can replace Spa Power SP750 systems (AMP lead conversion may be required if your SP750 uses JJ plugs) and earlier SP800-30 models. Contact Parts4Tubs with your current control box model for replacement advice.

Q: What warranty is included? A: Please refer to manufacturer documentation or contact Parts4Tubs for current warranty terms.

Q: Does this include a topside panel? A: This listing is for the control box with integrated heater only. Touchpad sold separately – please add to your order if required.

Q: Can I use a variable speed blower? A: Yes. The dedicated SPVSB socket supports the Davey Variable Speed Blower with full touchpad speed control. This socket cannot be used for other equipment types.

Q: What is the difference between SP800-20 and SP800-30? A: The only difference is heater power output: SP800-20 has a 2.0kW heater, SP800-30 has a 3.0kW heater. All output sockets and features are identical.

📥 Downloads & Resources

📄 SP800 User Guide – Complete operation guide

📄 SP800 & SP1200 Installation & Service Manual – Technical installation and service documentation

🏆 Why Choose the Davey Spa Power SP800 3kW

✅ Enhanced Heating Capacity – 3kW element provides faster heat-up times and better temperature maintenance than 2kW models

✅ Flexible Configuration – DIP switch settings allow customisation for single-speed, dual-speed, circulation pump, and auxiliary configurations

✅ Advanced Safety Systems – Optical water sensor, thermal cut-out, and comprehensive error diagnostics protect equipment and users

✅ Quality Construction – Fluoropolymer-coated heating element and splash-proof enclosure engineered for reliability

✅ Multilingual Support – Seven-language touchpad interface suitable for international installations

✅ Proven Technology – Manufactured by Davey Water Products with ISO 9001 quality management certification

🤝 Why Buy from Parts4Tubs

✅ UK-based company with local telephone support on 01604 969 202

✅ Fast UK delivery – same working day dispatch on orders received before 2pm

✅ Expert advice from spa specialists – buy from a person, not just the internet

✅ Competitive pricing with VAT included

✅ Full warranty support on all products

✅ Easy returns – see our returns policy for details

✅ Compatible components and accessories available – touchpads, sensors, and replacement parts in stock

✅ Technical support for installation queries

✨ Summary

The Davey Spa Power SP800 3kW Control Box delivers reliable, versatile spa management with enhanced heating capacity for faster warm-up times and superior temperature maintenance. Featuring 220-240V AC operation with 40A maximum system capacity, this professional-grade controller supports flexible pump configurations including single-speed, dual-speed, and 24-hour circulation pump arrangements.

With comprehensive outputs for auxiliary equipment, variable speed blowers, ozonators, and LED lighting, plus advanced safety features including optical water sensing and thermal cut-out protection, the SP800 3kW provides dependable performance for domestic hot tub installations. Compatible with SP800 oval and narrow oval touchpads, and suitable as a direct replacement for SP750 systems, this Davey control system represents trusted quality backed by ISO 9001 certified manufacturing.

Order today from Parts4Tubs for fast UK delivery and expert support.