Heater Assembly 4.0kW 240V Low Flow | Balboa ® 58321, CalderaWatkins C3473-1

74912 Heater Assembly 4.0kW 240V Low Flow | Balboa ® 58321, WatkinsCaldera C3473-1 (74912HS)  Watkins/Caldera ® 4.0kW 240V Low Flow Trombone Heater/Balboa ® 58321 Heater Assembly Features: Dual element Barb fittings   Pressure switch cord Product specifications: Category: Generic Voltage: 230V Wattage: 4.0kW Heater Type: Low flow Heater Style: U-Bend (Trombone style) Dual element:  26" x 6" Heater dimensions: 3/4" Barb x 17-3/4" long Heater feature: w/Pressure switch cord & electrical cord 24" Pigtail cord Used on: Watkins/Caldera ® Spas Replacement  for: Caldera ® spa models Utopia (2001 - current),  Aquatic Melodies (2001 - current).  Paradise Series (2001 - current),  Utopia (2001  - current),  Aquatic Melodies (2001  - current),  Paradise Series  (2001  - current) Note:  2001 models must use an adapter kit (#75002) to convert the 3-prongs plug to a 4-prongs for the Balboa systems in 2001. Alternate Part Numbers: 6595,  6596 (Laing ®),  2-00-0020,  46-238-1064,  74912 (Wa