Spa Components 4.0kW Flo Thru Heater [15" x 2"] [PS/TI] [Brett] (B24040E) spaaccessories and this Gecko version is

and this Gecko version is designed in a 48 inch length for blower

or no longer sealing correctly

and overall efficiency

Useful for new installations and line modifications

Spa Components 4.0kW Flo Thru Heater [15" x 2"] [PS/TI] [Brett] (B24040E) spaaccessories and this Gecko version isThe Spa Components 4. 0 kW flo thru heater is designed for compatible 2 inch by 15 inch heating applications associated with Brett style systems and a PS TI configuration. Flo thru heaters are useful because they provide direct in line heating while preserving the plumbing path and heater layout the spa system was built around. This replacement is especially useful when the original heater no longer produces dependable heat, has failed electrically,