A spa circuit board is the "brains" behind your spa, controlling jet flow, filtration systems, water temperature, as well as the unit's high-limit sensors. Master Spa Parts offers a number of replacement circuit boards.
Cooper Heater Strap. This is the shorter style of the 3 we have in stock (SKU #: 300016, SKU #: 300390). Copper construction provides easily installation for connecting your spa heater to the PC Board.