Description
Independent Supplier & Replacement Part Notice
We are an independent parts supplier and are not affiliated with, sponsored by, or endorsed by Watkins, Hot Spring, Caldera, Tiger River, or Solana. These names and their part numbers are used only to identify compatibility.
We offer replacement parts as alternatives to spa-branded parts. When this listing identifies a part as the same original-manufacturer replacement, it is supplied under the component manufacturer’s branding and part number, which may differ from the Watkins or spa-brand label and number. Other compatible alternatives are identified in the individual product listing. Please review the listed specifications, fitment details, and any installation differences before ordering.
This component is a Complete Heater Assembly featuring integrated Sensor array and built-in pressure switch serving as a precise generic alternative to the factory Watkins No Fault 4000 76228 heating element...Compatible exclusively with regions utilizing 60 Hz electrical frequency.
Serves as an aftermarket substitute for multiple iterations of Watkins/Hot Spring/Tiger River/Hot Spot/Caldera factory-installed heating systems. Additionally compatible with Laing Tri-bend heating units.This heating assembly incorporates 2 sensors equipped with modern 4-pin sensor connectors (2002 and newer models), plus an auto-reset high limit feature and integrated pressure switch complete with wiring, sensor conversion plugs and connection tubing for drain line installation when required.
This versatile replacement heating unit features an integrated pressure switch that may not apply to every Watkins configuration. Your current heater utilizes a pressure switch if it has a gray wire extending from the rear or side terminating in a small white connector that interfaces with your control board. For units without this feature, please review our pressure switch-free alternatives below.
The enhanced 6.0 KW configuration of this heater is available separately: Watkins Hotspring Tiger River, Heater with Sensors, Pressure Switch, Low Flow, No Fault 6000, 230v, 6.0kW, Generic
Important: When retrofitting this heater into pre-2002 spa models, utilize the supplied conversion adapters to interface the updated sensor connectors with legacy-style connections