Hayward 1.5 Amp Mini Fuse Kit [10 Pack] (FDXLFSKF15) fuses That makes the replacement feel That makes the replacement feel more like restoring the spa than adapting it to a control surface that only partly fits the application This model is especially useful when replacing an aging unit or outfitting a compatible system with a dependable natural gas heater that matches the intended electrical requirement of 120 volts This replacement is especially useful when the original fuse has blown or when spare fuses are needed for routine service support The FDXLFSKF15 is a practical service part when a compatible Hayward system needs mini fuses to restore dependable circuit protection