Excellent 4.9 | 18,452 reviews

MASTER SPAS Circuit Board MAS100 PC Board - X800600

MASTER SPAS Circuit Board MAS100 PC Board - X800600

$250.99
$250.99 $333.50
SAVE 24% Sold out
MASTER SPAS Circuit Board MAS100 PC Board - X800600

MASTER SPAS Circuit Board MAS100 PC Board - X800600

$250.99
$250.99 $333.50
SAVE 24% Sold out

MASTER SPAS Circuit Board MAS100 PC Board - X800600

What our Experts Think
  • OEM MAS100 control board (X800600) designed for Master Spas systems, ensuring stable operation of pumps, heater, lighting, and safety functions.
  • Central “command unit” for spa operation — coordinates all electrical components including filtration cycles, jet pumps, and temperature control.
  • Direct replacement for MAS100 spa packs, commonly used in older Master Spas and compatible legacy configurations.
  • Critical repair component for system failures, often used when spas show no power, dead display, or unresponsive controls.
  • Chip-specific compatibility required — must match board programming/version (MAS100 variants) to ensure correct operation and avoid errors.
  • OEM-grade replacement ensures reliability, avoiding issues commonly seen with mismatched or aftermarket circuit boards.
  • Best suited for restoring older spa systems where full spa replacement is not cost-effective, bringing core functions back online efficiently.

Q&A

Q: What is the MASTER SPAS MAS100 PC Board X800600?
A: A genuine OEM Balboa-based control circuit board used in select Master Spas MAS100 systems, responsible for controlling core spa functions like heating, pumps, filtration, jets, and lighting.

Q: What systems is X800600 compatible with?
A: Designed for Master Spas models using the MAS100 control platform; compatibility depends on matching chip version (MAS100/VN 53065) and system configuration.

Q: What are the key specifications?
A: MAS100 series PC board (V/N 53065), OEM replacement control board for 230V spa systems with integrated Balboa electronics.

Q: Is this an OEM replacement part?
A: Yes. It is a factory OEM replacement board intended to restore full spa control and system functionality.

Q: What should be checked before ordering?
A: Confirm MAS100 system label, chip number (VN 53065), and existing board match X800600 exactly—wrong board versions are not interchangeable.

Q: What happens if the wrong board is installed?
A: The spa may fail to power correctly, show error codes, or lose pump/heater control due to firmware and wiring mismatch.


Maintenance Tips
  • Keep the spa cabinet dry and well-ventilated to protect the MAS100 PCB from moisture, condensation, and corrosion damage.
  • Maintain clean filters and proper water flow—restricted flow can trigger heater protection and stress the control board over time.
  • Ensure stable power with proper GFCI protection and avoid voltage spikes that can damage relays and onboard fuses.
  • Inspect heater, pump, and sensor wiring periodically for tight connections, corrosion, or heat discoloration.
  • Keep water chemistry balanced (pH, alkalinity, calcium hardness) to prevent scale buildup on the heater and reduce board load.
  • Avoid operating the spa during air-locked or low-flow conditions; always prime pumps after refilling or service.
  • If faults appear, check fuses, flow, and sensors first before assuming the MAS100 board itself has failed.
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