Only a few left—secure yours before it’s gone for good!
Your items are reserved, but only for a limited time!
Grab it now at a discounted price before the deal ends!
$902.99 USD
$1,450.99 USD
$6,000.99 USD
$748.99 USD
$488.99 USD
$1,806.99 USD
$3,942.99 USD
$1,568.99 USD
$423.99 USD
$1,012.99 USD
$1,706.99 USD
$2,784.99 USD
$4,384.99 USD
$4,332.99 USD
$1,788.99 USD
$5,801.99 USD
$365.99 USD
$4,716.99 USD
$4,952.99 USD
$4,054.99 USD
$7,441.99 USD
$3,806.99 USD
$4,302.99 USD
$5,291.99 USD
$5,444.99 USD
$1,713.47 USD
$2,298.99 USD
$1,772.99 USD
$30,510.99 USD
$2,609.99 USD
$7,199.99 USD
$2,447.99 USD
$1,214.99 USD
$4,499.99 USD
$5,203.99 USD
$5,074.99 USD
$2,024.99 USD
$4,499.99 USD
$2,024.99 USD
$339.99 USD
Reliable Spa Control: MS 5100S Circuit Board manages pumps, heaters, and lights efficiently.
Durable Design: Built to withstand heat, moisture, and frequent use.
Easy Installation: Direct-fit replacement for MASTER SPAS systems ensures quick setup.
Optimized Performance: Maintains smooth, energy-efficient operation for all spa components.
Professional-Recommended: Trusted by technicians for long-term reliability and consistent spa experience.
Enhanced Longevity: Supports durable, worry-free operation in residential and commercial spas.
Q1: What is the MASTER SPAS MS 5100S Circuit Board (X801128)?
A: An OEM replacement control circuit board for MASTER SPAS spas that manages system functions.
Q2: What does it control?
A: Coordinates pumps, heater, sensors, safety logic, timing, and component communication.
Q3: Is it a direct replacement?
A: Yes for spas that use the MS 5100S board; verify your spa model/spec before ordering.
Q4: Key benefits?
A: Reliable OEM performance, stable system logic, and accurate function control.
Q5: Installation?
A: Swap with your old board using proper wiring; professional installation recommended.
Power Off: Always disconnect spa power before inspecting or servicing.
Visual Inspection: Check for burned components, corrosion, or loose connections.
Keep Dry: Avoid moisture; clean with a soft, dry cloth only.
Secure Wiring: Ensure all terminals are tight and properly seated.
Monitor Functionality: Watch for error codes or unusual spa behavior.
Surge Protection: Use a surge protector to prevent electronic damage.