⚡ Balboa BP21P4BC Elite Spa Control System | 3.0kW Incoloy 800 | Quad-Pump Powerhouse

Maximum Control for Advanced Spa & Swim Spa Installations — Four Pumps, Blower, Dual Power Options & WiFi Ready

📋 Product Overview

The Balboa BP21P4BC is engineered for the most demanding spa and swim spa installations. With an integrated 3.0kW Incoloy 800 heater and native support for four pumps, circulation pump, air blower, and AV connectivity, this elite control system delivers uncompromising performance for feature-packed hot tubs and swim spas.

Running a swim spa with dedicated swim jets? Need four independent pump zones for ultimate hydrotherapy customisation? Want integrated audio-visual control alongside your spa functions? The BP21P4BC handles it all with ease. This is the control system chosen when nothing less than maximum capability will do.

Offering flexible power options — 230V single-phase (32A) or 400V three-phase (3×16A) — the BP21P4BC suits various electrical configurations. With 2″ plumbing connections and compatibility with TP800 and TP900 topside panels, this system manages your spa’s complete feature set — four pump outputs, circulation, blower, ozone sanitation, lighting, and AV — all from one comprehensive control unit.

✨ Key Features at a Glance

Feature	What It Does	Why It Matters
🌡️ 3.0kW Incoloy 800 Heater	Premium corrosion-resistant heating element	Durable, efficient heating for larger water volumes
⚡ Dual Power Options	230V single-phase (32A) or 400V three-phase (3×16A)	Flexible installation for various electrical setups
💧 Quad-Pump Support	Control up to 4 pumps independently	Maximum jet zone flexibility for swim spas
🔄 Circulation Pump	Dedicated circ pump output	Energy-efficient 24/7 water movement
💨 Air Blower Output	Single-speed blower control	Relaxing bubble massage experience
🫧 Ozone Ready	Integrated ozone connection	Cleaner water with reduced chemicals
💡 10V Lighting	Single light output	Perfect ambience for evening soaks
🎵 AV Connection	CHZ 230V audio-visual output	Integrated entertainment control
📱 WiFi Ready	Compatible with Balboa WiFi Module	Control via BWA App on iPhone/Android
🖥️ TP800/TP900 Compatible	Works with premium Balboa topsides	Full feature access and control

🔧 Technical Specifications

Core System

Component	Specification	Details
Model Number	56625	BP21P4BC
Heater	3.0kW Incoloy 800	Premium corrosion-resistant element
Pump 1	Single OR Dual-speed	Flexible configuration
Pump 2	Single OR Dual-speed	Flexible configuration
Pump 3	Single-speed	Fixed single-speed output
Pump 4	Single-speed	Fixed single-speed output
Circulation Pump	✅ Supported	Dedicated low-energy filtration
Air Blower	Single-speed	Available if Pump 2 is single-speed
Ozone Output	1 connection	Slaved to circ pump or independent
Light Output	10V (1 unit)	Standard spa lighting
AV Output	CHZ 230V	Audio-visual integration
WiFi	✅ Ready	Module sold separately (BWA App)

Electrical Specifications

Specification	Option 1	Option 2
Power Supply	230V Single-Phase	400V Three-Phase
Amperage	32A	3×16A
Frequency	50Hz	50Hz
Heater Output	3.0kW	3.0kW

Topside Panel Compatibility

Panel	Compatible
TP800	✅ Yes
TP900	✅ Yes

Filtration & Ozone Control

Feature	Specification
Filtration Cycles	Programmable + Polling
Ozone Control (Setups 1-5)	Slaved to circulation pump
Ozone Control (Setups 6-8)	Independent operation

Plumbing Specifications

Specification	Value
Plumbing Size	2″
Heater Connections	2″ unions

📐 Dimensions & Footprint

Configuration	Length	Height	Width
Including Heater	490 mm	300 mm	120 mm
Control Box Only	330 mm	300 mm	120 mm

⚙️ Pump Configuration Options

The BP21P4BC delivers maximum flexibility with four pump outputs:

Pump Output Overview

Pump	Speed Options	Notes
Pump 1	Single OR Dual-speed	Full flexibility
Pump 2	Single OR Dual-speed	Full flexibility
Pump 3	Single-speed only	Fixed configuration
Pump 4	Single-speed only	Fixed configuration
Circulation	✅ Supported	Dedicated output

Blower & Pump 2 Relationship

Pump 2 Configuration	Blower Status
Pump 2 Single-speed	✅ Blower available
Pump 2 Dual-speed	❌ Blower not available

⚠️ Configuration Note: Air blower output is available when Pump 2 is configured as single-speed. If Pump 2 runs as dual-speed, the blower output is not available.

Configuration Examples

Swim Spa Setup:

• Pump 1: Dual-speed (main swim jets)
• Pump 2: Single-speed (therapy jets) + Blower active
• Pump 3: Single-speed (additional zone)
• Pump 4: Single-speed (foot jets)
• Circulation: Active

Maximum Jet Power:

• Pump 1: Dual-speed (zone 1)
• Pump 2: Dual-speed (zone 2) — no blower
• Pump 3: Single-speed (zone 3)
• Pump 4: Single-speed (zone 4)
• Circulation: Active

💨 Blower Control

The BP21P4BC includes single-speed air blower output for bubble massage systems — available when Pump 2 is configured as single-speed.

Blower Feature	Specification
Type	Single-speed
Availability	When Pump 2 is single-speed
Control	Via topside panel

🫧 Ozone System Integration

Built-in ozone connection allows direct integration with your spa’s ozonator for enhanced water sanitation.

Ozone Feature	Specification
Connections	1
Type	Standard ozonator hookup

💡 Lighting Control

Integrated lighting output powers your spa lights directly from the BP21P4BC.

Light Specification	Value
Voltage Output	10V
Quantity	1 unit

🎵 AV Integration

The BP21P4BC features a dedicated CHZ 230V audio-visual connection — a capability not found on standard control boxes. This enables integrated control of compatible entertainment systems directly through your spa controller.

AV Feature	Specification
Connection Type	CHZ
Voltage	230V
Purpose	Audio-visual system integration

What AV Integration Enables

• Centralised Control — Manage entertainment alongside spa functions
• Clean Installation — Single control point for multiple systems
• Premium Experience — Music and ambience controlled from your topside

📱 WiFi Connectivity

The BP21P4BC is WiFi-ready, compatible with the optional Balboa WiFi Receiver Module for smartphone and tablet control via the BWA (Balboa Worldwide App) on iPhone and Android.

WiFi Feature	Specification
WiFi Ready	✅ Yes
Module Included	❌ No (sold separately)
App	BWA (Balboa Worldwide App)
Platforms	iPhone & Android

Smart Control Benefits

• Remote Pre-Heating — Warm your spa before you arrive
• Temperature Monitoring — Check water temp from anywhere
• Feature Control — Activate jets, lights, blower remotely
• Status Updates — Know your spa’s condition anytime

🔗 Topside Panel Compatibility

The BP21P4BC is compatible with Balboa’s premium TP800 and TP900 topside panels, providing full access to all system functions.

Panel	Compatible	Features
TP800	✅ Yes	Full function control
TP900	✅ Yes	Full function control

🎯 Ideal Applications

Application	Suitability	Why It’s a Good Fit
🏊 Swim Spas	⭐⭐⭐⭐⭐	Quad-pump capability handles swim jets + therapy zones
🛁 Premium Multi-Zone Spas	⭐⭐⭐⭐⭐	Four independent pump outputs for complete control
🎵 Entertainment Spas	⭐⭐⭐⭐⭐	Built-in AV connection for audio integration
🏠 Large Home Hot Tubs	⭐⭐⭐⭐⭐	3.0kW heater handles substantial water volumes
❄️ Cold Climate Installations	⭐⭐⭐⭐⭐	Powerful heating maintains temperature reliably
🏢 Commercial Installations	⭐⭐⭐⭐⭐	Advanced capability for demanding applications

📦 What’s Included

Item	Included
BP21P4BC Control Box	✅ Yes
3.0kW Integrated Heater	✅ Yes
Topside Panel	❌ No (sold separately)

❓ Frequently Asked Questions

Pump & Capacity

Q: How many pumps can this control? A: The BP21P4BC controls up to 4 pumps plus a dedicated circulation pump.

Q: Can all four pumps be dual-speed? A: Pumps 1 and 2 can be single or dual-speed. Pumps 3 and 4 are single-speed only.

Q: Is there a circulation pump output? A: Yes, the BP21P4BC includes a supported circulation pump output.

Blower Configuration

Q: Does this include blower control? A: Yes, single-speed blower output is available when Pump 2 is configured as single-speed.

Q: Why isn’t the blower available with dual-speed Pump 2? A: The blower shares circuitry with Pump 2’s high-speed output. Choosing dual-speed for Pump 2 prioritises jet power over air massage.

Electrical & Power

Q: What power supply options are available? A: The BP21P4BC offers two options: 230V single-phase (32A) or 400V three-phase (3×16A).

Q: Can I choose which power configuration to use? A: Yes, the dual power options allow flexible installation based on your available electrical supply.

Q: What type of heater element is used? A: The BP21P4BC features a 3.0kW Incoloy 800 heater — a premium, corrosion-resistant element designed for longevity.

WiFi & Control

Q: Is WiFi included? A: The unit is WiFi-ready; the Balboa WiFi Receiver Module is sold separately.

Q: What app do I use for remote control? A: The BWA (Balboa Worldwide App) is available for both iPhone and Android devices.

Q: Which topside panels are compatible? A: The BP21P4BC is compatible with Balboa TP800 and TP900 topside panels.

AV & Entertainment

Q: What is the AV connection for? A: The CHZ 230V output enables integration with compatible audio-visual entertainment systems.

Q: Can I connect any audio system? A: The AV output is designed for compatible CHZ systems. Contact Parts4Tubs for specific compatibility queries.

Filtration & Ozone

Q: What filtration options are available? A: The BP21P4BC offers programmable filtration cycles plus polling mode.

Q: How does the ozone control work? A: In Setups 1-5, ozone is slaved to the circulation pump. In Setups 6-8, ozone operates independently.

Dimensions & Installation

Q: What are the dimensions? A: 490 × 300 × 120 mm including heater; 330 × 300 × 120 mm for control box only.

Q: What plumbing connections does this use? A: 2″ unions on the heater assembly.

What’s Included

Q: Does this include a topside panel? A: No, topside panels (TP800 or TP900) are sold separately.

Q: Can I buy in bulk? A: Yes, available individually or in boxes of 5.

Q: What is the model/part number? A: The BP21P4BC is model number 56625.

 Documentation & Downloads

Tech Sheet – BP21P4BC

🏆 Why Choose the Balboa BP21P4BC?

• ✅ Quad-Pump Control — Manage 4 pumps independently plus circulation
• ✅ Swim Spa Ready — Designed for advanced swim spa configurations
• ✅ Incoloy 800 Heater — Premium 3.0kW corrosion-resistant element
• ✅ Dual Power Options — 230V (32A) or 400V (3×16A) flexibility
• ✅ WiFi Ready — BWA App control on iPhone and Android
• ✅ TP800/TP900 Compatible — Works with premium Balboa topsides
• ✅ AV Integration — Built-in CHZ 230V entertainment connection
• ✅ Programmable Filtration — Flexible cycles plus polling mode
• ✅ Blower Included — Air massage when configured appropriately
• ✅ Balboa Quality — Industry-leading spa control technology

🤝 Why Buy From Parts4Tubs?

✅	What You Get
🇬🇧	UK-Based Company — Local support, local expertise
🚚	Fast UK Delivery — Get your parts quickly
💬	Expert Advice — Spa specialists ready to assist
💷	Competitive Pricing — Excellent value on genuine parts
🛡️	Full Warranty — Complete manufacturer backing
↩️	Easy Returns — 30-day hassle-free returns
🔧	Technical Support — Expert help when you need it
🔗	Compatible Accessories — Everything you need in one place

✨ Summary

The Balboa BP21P4BC (Model 56625) is an elite spa control system engineered for advanced spa and swim spa installations demanding maximum pump capacity. With an integrated 3.0kW Incoloy 800 heater, native support for four pumps plus circulation pump, single-speed blower output, ozone integration, 10V lighting, and unique CHZ 230V AV connectivity, this system delivers comprehensive control for the most feature-rich installations — all from one robust unit measuring 490 × 300 × 120 mm including heater.

Offering dual power options — 230V single-phase (32A) or 400V three-phase (3×16A) — the BP21P4BC provides installation flexibility for various electrical configurations. Compatible with TP800 and TP900 topside panels and WiFi-ready for BWA App control on iPhone and Android. Pumps 1 and 2 support single or dual-speed operation whilst Pumps 3 and 4 provide dedicated single-speed outputs. Programmable filtration cycles and flexible ozone control complete the package. Sold individually or in boxes of 5, this is the control system for installations where standard capability simply isn’t enough.