Description
This complete heating element assembly with integrated sensor package serves as a direct substitute for the factory Watkins No Fault 4000 part number 76228. Exclusively compatible with 60 Hz electrical systems.
Universal aftermarket heating unit engineered for multiple Watkins Manufacturing brand spas including Hot Spring, Tiger River, Hot Spot, and Caldera models. Compatible with Laing Tri-bend heating configurations as well.
Complete assembly features dual temperature sensors equipped with updated 4-pin connector design (2002 model year forward) plus automatic-reset high temperature safety cutoff.
Important Installation Note: Spas manufactured before 2002 typically require sensor plug adapter harnesses to interface the modern 4-pin connectors with legacy wiring systems.
Technical Specifications:
- Power Output: 4.0 kilowatts
- Voltage: 230V
- Flow Type: Low Flow design
- Frequency: 60 Hz only
- Sensors: Dual sensors included with 4-pin connectors
- Safety: Auto-reset high limit protection
- Compatibility: Watkins No Fault 4000 76228 direct replacement
