Guide to Saluspa Pump and Heater Replacement is a straightforward process that can restore its efficiency. Start by unplugging the unit and draining all water. Carefully detach the existing pump and heater by loosening the connectors and screws. Install the new pump and heater, ensuring all fittings are secure and watertight. Refill the spa with water, checking for any leaks as you go. Once the spa is refilled, plug it back in and power it up to test the new components. Following these steps and consulting the manufacturer's manual will help ensure a smooth and successful replacement process.