Spa Crest Hot Tubs
681 Knight
Series II

Dimensions81" x 76.5" x 34"
206cm x 194cm x 86cm
Seating Capacity6 - 7
Water Capacity375 Gallons
1420 Liters
Weight690 lbs.
313 kg.
Filtration50 Sq. Ft.
4.65 M2
Total Jets56
North America Pumps(2) 3.5 HP
International Pumps(2) 2-SPEED 3.6 HP
Circulation Pump1/15 HP
Air Blower1
Polystorm Directional Jets6
Polystorm Twin Roto Jets2
Cluster Jets36
Air Injectors12
North America Electricity50AMP/220V
International Electricity32AMP/220V
Additional Specs & Features
  • Venturi type air injection
  • Rubber pump pad mounting system for quite operation
  • ReflectoTherm™ insulation system
  • Balboa digital control system
  • Fully sealed Molded ABS bottom
  • No Maintenance synthetic cabinet
  • Full Body Massage Lounge (available on lounge models)
  • Easy access Skimmer filtration
  • Underwater light (with colored lens)
  • Microban® Lucite Acrylic
  • Barrier - Free seating
  • Interior doorway compatible (34")
  • Programmable filter cycles
  • Zone Therapy
These are approximate overall dimensions.
All dimensions and specifications subject to change without notice.