skip to Main Content

Great Big Bopper®

Contact AquaCal for your Sizing Needs
SKU: BB500DRD Category:


A Real Commercial Sized Heat Pump that Heats and Cools Large Commercial Swimming Pools
Up to a Half Million BTUs in One Single Unit

ThermoLink® Titanium Heat Exchanger

  • Patented counter-flow water management system
  • Heats water faster and more efficiently
  • Impervious to chemical corrosion
  • Durability without sacrificing performance
  • Lifetime warranty

Microprocessor Controlled with LCD Digital Display

  • New SMART control panel with 24 character full-text display provides easy-to-read menu options and unit status
  • On-board self-diagnostics
  • Microprocessor controlled defrost cycle

Corrosion Resistant Cabinet

  • Rust resistant, heavy gauge G90 Galvanneal steel with 7 step Powder Coat process
  • ElectroFin® epoxy polymer coated evaporator coils
  • Polymer condensate drain system
  • Polymer coated fan guards


  • Extends swimming season longer than any other heat pump on the market
  • Continues to heat in freezing temperatures to minimize heat loss
  • Cool your pool to a refreshing temperature
  • Set to heat, cool or autotemp
CSA logo CE logo ETL logo


GBB 50Hz – 380-415V
Performance – Heating
@26.7°C Air/80% RH/26.7°C Water
kW Output 123.7
BTU Output 422,000
COP 6.8
kW Input 18.1
Performance – Heating
@10°C Air/63% RH/ 26.7°C Water
kW Output 73.3
BTU Output 250,000
COP 4.1
kW Input 17.9
Performance – Chilling
@37.8°C Air/26.7°C Water
kW Absorption 91.3
BTU Absorption 311,516
kW Input 21.2
Electrical Specs  
Voltage/Hz/Phase 380-415V/50Hz/3ph
Minimum Circuit Ampacity 58.0
Recommended Fuse Size 80
Maximum Fuse Size 80
Pool Water Flow  
Minimum/Maximum L/min 454/1059
Minimum/Maximum gpm 120/280
Pressure Drop/Pool Water @568 L/min 0.12 bar
Pressure Drop/Pool Water @150 gpm 1.8 PSI
Pool Water Connections 10.16 cm
Refrigerant Type R410A
Physical Specs  
Weight (kg) 700
Length x Width x Height (cm) 229 x 138 x 219
Shipping Specs  
Weight (kg) 953
Length x Width x Height (cm) 232 x 148 x 219

Product Resources

Back To Top