FloThru B24040XL Heater – Cal Spa XL Complete Conversion Kit

Product Overview

As a retailer of hot tub and pool equipment, I’m featuring the FloThru B24040XL – a comprehensive 4.0kW flow-through replacement system designed to upgrade Cal Spa XL heat exchangers. This complete package includes a metal control box and specialized features for seamless conversion.

Key Features and Benefits

Professional Construction

• Stainless steel housing
• Standard 15″ x 2″ dimensions
• Dual thermowell design
• Included metal control box

Design Elements

• Modern flow-through technology
• Dual groove sensor system
• Pressure switch compatibility
• Complete conversion package

Advanced Features

• Dual thermowell grooves with cover
• 1/8″ NPT pressure switch tap
• 2″ slip tailpiece connections
• Metal box enclosure

Technical Specifications

Specification	Detail
Model Number	B24040XL
Power Output	4.0kW
Voltage	230V
Length	15″
Diameter	2″
Body Material	Stainless Steel
Connection Type	2″ Slip Tailpieces
Sensor Design	Dual Thermowell Grooves
Pressure Port	1/8″ NPT
Package Type	Complete with Box

Installation Features

• Complete control box included
• Dual sensor capability
• Standard pressure tap
• Drop-in replacement design

Applications

Perfect for:

• Cal Spa XL systems
• Exchanger conversions
• System modernization
• Professional upgrades
• Complete retrofits

Performance Features

• Efficient 4.0kW output
• Modern flow design
• Dual temperature monitoring
• Enhanced control capability

Package Contents

• Heater assembly
• Metal control box
• 2″ slip tailpieces
• Thermowell cover
• Installation hardware

Conversion Benefits

• Modern heating technology
• Simplified maintenance
• Improved efficiency
• Complete control solution

SKU: B24040XL

Note: Pressure switch not included. Professional installation recommended for optimal performance and safety when converting from exchanger to flow-through system