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Master Spa Hot Tub Fuses

Master Spas fuses are small, inexpensive, and yet vitally important to the operation of your spa! We carry a complete line of genuine OEM Master Spa fuses, from the .3 amp to the 30 amp. If you need to replace your spa’s fuses, but are unsure which parts you need to order, please call our Customer Service team at (855) 308-2149 today!

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  1. picture of tool tip icon

    The .3 Amp Fuse by Master Spas is a durable, affordable replacement fuse made to go in your home spa’s PC board. When it is working correctly, the fuse supplies power to your spa’s control pack so that you can fully enjoy your spa and all of its relaxing features.

    .3 Amp Fuse
    $6.90
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    The 5 Amp Slow Blow (FST) by Master Spas is a replacement fuse made to go in your home spa. The fuse allows a greater level of power to flow without disrupting the circuit or blowing the fuse itself. The piece is affordable, easy to install and can be a simple fix for a problem with your spa

    master spas fuses 4 amp slow blow part
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    Glass Time Delay Fuse .5A 250V Mini Cartridge

    Glass Time Delay Fuse .5A 250V Mini Cartridge
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    The 20 Amp Fuse by Master Spas is an exact replacement part for your original fuse. It is made to go in your spa’s PC board and supply power to the rest of your spa and its features. The piece is durable, affordable and will provide prolonged enjoyment of your spa.

    20 amp fuse for your spa
    $4.77
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    The 30 Amp Power Input Fuse by Master Spas is a replacement power fuse made to go in your spa’s PC board. This particular fuse supplies all of the power to your spa’s pumps. Keeping this fuse in tip-top shape is one of the best ways to ensure your spa’s functionality.

    30 Amp Power Input Fuse
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    The 10 Amp Fuse by Master Spas is a replacement part made to go in your home spa’s PC board. The PC board supplies power to the entire spa, so replacing one of its fuses is sometimes a simple fix for issues that arise with your spa or its features.

    10 Amp Fuse
    $4.55
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    3 Amp Fuse

    fast blow 3 amp glass fuse
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    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.

    glass fuse for h2x swim spa
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    The 30 Amp, FNM30 Fuse for H2X with XP by Master Spas is a replacement power fuse made to go in your swim spa. This fuse supplies the power to your swim spa’s propulsion, so keeping it in working order is vital. The piece is small, affordable and easy to install.

    30 Amp, FNM30 Fuse for H2X with XP
  10. picture of tool tip icon

    The 25 Amp Fuse by Master Spas is a replacement fuse for your home spa. The fuses in your spa are important to keep working properly, as they supply power to the spa and all of its features. The 25 Amp Fuse is a small, affordable and easy to install replacement.

    25 Amp Fuse
    $15.99
  11. picture of tool tip icon

    The 100mA (0.1A) is a replacement fuse meant to go in your home spa’s PC board. This fuse supplies power to your spa and the rest of its features, so maintaining it is key to the enjoyment of your spa. The slow blow fuse allows more power to flow without overwhelming the circuit.

    100mA (0.1A) Slow Blow Fuse
  12. picture of tool tip icon

    The 20 Amp Fuse for Standard Propulsion by Master Spas is a replacement fuse made to go in your home spa. Replacing this fuse ensures that your spa’s PC board operates properly, allowing all of your spa's features to continue to work. The piece is small, affordable and easy to install.

    20 Amp Fuse for standard Propulsion
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