Circuit boards can fail due to age, moisture, exposure to chemicals, as well as power surges. If you think that having your MS50 U PC board fail (SKU: X801148) means that your spa or hot tub is done for, just order this high-quality replacement part from Master Spa Parts and bring it back to li... See More

Moisture, heat, and humidity all put a strain on your hot tub's circuit board. For those that have narrowed down their spa issues to a broken circuit board, this PCB, VS500Z (v/n 55140) (SKU: X801144) is a great option. Buying an OEM replacement part is the only way to ensure your replacement bo... See More