Spa Components 4.0kW [15" x 2"] FloThru Heater [PS/TI] [Brett Aqualine] (B24040E) grundfos Latching air switches are useful

Latching air switches are useful because they allow a control state to remain engaged until the next intended activation changes it

Useful when original transformers have failed or become unreliable

10" round grate

Useful when replacing a worn or poorly fitting original button

the spa often feels less inviting because owners lose confidence in how quickly and consistently the water will recover

Spa Components 4.0kW [15" x 2"] FloThru Heater [PS/TI] [Brett Aqualine] (B24040E) grundfos Latching air switches are usefulThe 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,