The 20 Amp, ABC20 Glass Fuse for H2X by Master Spas is a replacement fuse designed to go in your home spa’s PC board. It is important to keep the fuses in your spa’s PC board in good shape because they provide power to your spa and all of its features.
Temperature Sensor Mount. Used in older style Master Spas to secure the flow sensor to the spa. A new mount should always be installed when you are replacing your spa sensor unit.