Description
This complete heater assembly includes integrated sensor set and serves as a direct substitute for the Watkins No Fault 4000 76228 heating element. Compatible exclusively with 60 Hz electrical cycle regions.
Universal aftermarket heater designed for multiple Watkins/Hot Spring/Tiger River/Hot Spot/Caldera factory heating systems. Functions as replacement for Laing Tri-bend heater models.
Package contains 2 temperature sensors featuring updated 4-pin connector design (2002 and newer models) plus auto-reset high limit protection.
Important: Pre-2002 spa installations require conversion adapters to connect modern 4-pin sensor connectors to legacy wiring harnesses.
Specifications: 230V power supply, 4.0kW output, low flow configuration, generic No Fault 4000 compatible design.
