Spa Crest Hot Tubs
681 Knight
Series I

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 Jets32
North America Pumps2-SPEED 5 HP
International Pumps2-SPEED 3.6 HP
Circulation PumpN/A
Air BlowerN/A
Polystorm Directional Jets4
Polystorm Twin Roto Jets1
Cluster Jets27
Air InjectorsN/A
North America Electricity50AMP/220V
International Electricity16AMP/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.