Master Spa BP501G1 MS50U Control System

Model: X300732

Product Overview

As a retailer of hot tub spa parts, I’m featuring this Master Spas control system, manufactured by Balboa Water Group. This versatile unit replaces the X300791 MS30 system and features a dual-wattage heater with comprehensive pump control capabilities.

Core System Features

• 1.0/4.0kW flow-through heater
• Dual voltage operation (115/230V)
• 2-speed primary pump
• Secondary pump/blower option
• AMP receptacles
• Third sensor technology
• BP501G1 platform
• MS50U configuration

Technical Specifications

System Integration

Supports:

• Primary 2-speed pump
• Secondary pump/blower
• Temperature monitoring
• Digital controls
• Multiple accessories
• Enhanced sensing

Installation Features

• AMP receptacle system
• Dual voltage flexibility
• Professional connections
• Multiple mounting options
• Third sensor integration

Operational Benefits

• Enhanced temperature monitoring
• Dual-speed pump control
• Flexible power options
• System protection
• Reliable performance

Application Specifics

Perfect replacement for:

• Master Spas systems
• X300791 MS30 systems
• Similar configurations
• Upgrade projects
• Retrofit installations

System Requirements

• Compatible keypad (not included)
• Connection cords (not included)
• Proper voltage supply
• Professional installation
• Adequate ventilation

Quality Assurance

• Balboa Water Group manufacturing
• Master Spas specification
• Professional grade components
• Reliable performance
• Industry standard compliance

	Balboa BP Troubleshooting Guide
	Andi’s Top Tip – The Balboa BP100G2 is factory configured for 240 volt applications, pump(s) and ozonator must be 240 volts

Compatible Topside Controls

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	Balboa TP400W Keypad 50259 Spaside Control, Balboa, TP400W, BP Series, LCD, 4-Button, Warm-Cool-Light-Jets, 7' Cord w/4 Pin Molex Plug	$0.00 Max: Min: 1 Step: 1 Add to cart
	Balboa SpaTouch 1 Keypad 50587 Spaside Control, Balboa SpaTouch, Rectangle, Menu Driven w/Label	$0.00 Max: Min: 1 Step: 1 Add to cart
	Balboa TP400T Rectangle with Rounded Sides Keypad 55701 Spaside Control, Balboa TP400T, 4-Button, No Overlay	$138.41 Max: Min: 1 Step: 1 Add to cart
	Balboa TP500 Keypad 57238-01 Spaside Control, Balboa TP500, No Overlay, 6-Button	$158.30 Max: Min: 1 Step: 1 Add to cart
	Balboa TP600 Oval Keypad 55676-09 Spaside Control, Balboa TP600, 6-Button, Oval, LCD, No Overlay, 4 pin Molex, 7' cord, 7.1" x 3.5""	$232.26 Max: 10 Min: 1 Step: 1 Add to cart
	Balboa TP800 Keypad 57241 Spaside Control, Balboa TP800 "Menu", Oblong, 9-Button, LCD, Jets1-Jets2-Light-Aux, 4 pin molex	$274.47 Max: Min: 1 Step: 1 Add to cart
	MasterSpa SpaTouch Keypad X310308 Spaside Control, Master Spa, No Overlay w/Backlight	$520.21 Max: Min: 1 Step: 1 Add to cart

Alternate Part Numbers

• X300771