IN.THERM 4.0kW Spa Heater
This product has been discontinued

Gecko 0603-416001 IN.THERM 4.0kW Spa Heater without Unions

SKU #: 0603-416001

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Short Description

Gecko IN.THERM 4.0kW Spa Heater without Unions

Spa Part Features:

  • in.axess - Board Access Prevention - Electronic components are placed into separate and inaccessible compartments. Only serviceable parts are made accessible to service technicians.
  • in.state - Solid State Regulation - Solid state electronic switch that replaces conventional relay. Cooled by water flow to drive more power without over-heating the switch, the level of power delivered can vary for better and more efficient control of the water temp., extending the element lifetime.
  • in.flo - Solid State Monitoring - A new heater safety system with 3 levels of protection: an all electronic dry-fire protection, a detection circuit for hi-limit protection and a circuit dedicated to limit maximum regulation.
  • in.scan - System Auto-Diagnostic - Auto-diagnostic module with multiple detection levels, in.scan continuously reads current at input to monitor breaker status. It also identifies corrective actions by displaying error codes on the box display.
  • in.seal - Watertight Protection - In.seal provides extra level of protection against water infiltration. Connectors and power box are designed to be watertight and no water can be in direct contact with electrical components.
  • in.t.cip - Water Temperature Algorithm - In.t.cip is an intelligent water temp. refresh algorithm that calculates optimal time to start pumps and get water temp. readings. In.t.cip continuously readjusts heater start time (taking external temperature into account).
  • - Output & Input Plugs and Connectors


The IN.THERM is an intelligent 4kw remote heater for IN.XM controls that integrates electronics directly in its power box. Its long list of features includes a built-in temperature probe and new water flow detection that eliminates the need of a pressure switch. The design of its unique seamless enclosure and cover gasket eliminates all risks of water infiltration. The IN.THERM's clever solid state design ensures years of trouble-free use. It can command multiple power levels on its single element and heat at its highest power only when necessary, reducing the demand on the element and greatly extending its lifespan.