BWG Low Flow Square Back Heater 5.5kW with Slide Connectors

Model: 58371

Product Overview

As a retailer of hot tub spare parts, I’m featuring this specialized BWG low-flow square back heater designed specifically for Jacuzzi and Sundance spa systems. This 5.5kW unit serves as a direct replacement for multiple J-300 series heaters, featuring modern slide connector technology.

Key Features

• Professional-grade 5.5kW heating element
• Square back design
• Stainless steel construction
• Built-in high limit disc
• Slide connector system
• 3/4″ barb connections
• 3-wire configuration
• Low flow optimization

Technical Specifications

Specification	Detail
Model Number	58371
Power Rating	5.5kW
Voltage	230V
Length	23 inches
Width	10-3/4 inches
Connection Type	3/4″ barb in/out
Construction	Stainless Steel
Connector Type	Slide connectors
Wire Configuration	3-wire
Protection	Built-in high limit disc

Compatibility

Direct replacement for:

• Jacuzzi/Sundance J-300 Heater (6500-402 LED)
  • 2002+ models with spade connectors
• Jacuzzi/Sundance J-300 Heater (6500-403 LCD)
  • 2002-2006 models with 1/4″ female connectors
• Laing #6698.1

Installation Features

• Modern slide connector system
• 3/4″ barb inlet/outlet connections
• Square back mounting design
• Integrated safety features
• Low-flow optimization

Design Advantages

• Stainless steel construction for durability
• Simplified connector system
• Compact square back design
• Optimized for low-flow applications
• Built-in thermal protection

System Integration

The slide connector system provides:

• Easy electrical connection
• Secure contact points
• Enhanced reliability
• Simple installation process

Performance Features

• Efficient low-flow operation
• Integrated thermal protection
• Professional-grade heating element
• Durable construction materials
• Versatile compatibility