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MASTER SPAS PANEL, ST1 SQ +TRAP INT 15' MS - x310333

MASTER SPAS PANEL, ST1 SQ +TRAP INT 15' MS - x310333

$329.99
$329.99 $439.99
SAVE 25% Sold out
MASTER SPAS PANEL, ST1 SQ +TRAP INT 15' MS - x310333

MASTER SPAS PANEL, ST1 SQ +TRAP INT 15' MS - x310333

$329.99
$329.99 $439.99
SAVE 25% Sold out

MASTER SPAS PANEL, ST1 SQ +TRAP INT 15' MS - x310333

PANEL, ST1 SQ +TRAP INT 15' MS CUST SFTWR

Original Equipment Master Spas Topside Control Panel with 15 ft cord used on H2X Swim Spas.  

What our Experts Think
  • OEM topside control replacement: The MASTER SPAS PANEL ST1 SQ +TRAP INT 15' MS - X310333 is a factory-style topside control interface used to operate key spa functions like jets, temperature, and filtration.
  • Restores full user control: Commonly recommended for fixing issues such as unresponsive buttons, display failure, or intermittent control loss, helping bring the spa back to normal operation.
  • Designed for swim spa systems: Built for compatibility with Master Spas H2X and Twilight-style control architectures, ensuring proper communication with the main spa pack.
  • 15' cord for flexible installation: The extended cable length allows easier routing through spa cabinetry, simplifying replacement without modifying internal layouts.
  • Precision-fit trapezoid design: Engineered for a secure OEM mounting fit, reducing vibration and ensuring a stable, long-lasting interface seal.
  • Reliable daily operation interface: Provides consistent control performance for temperature adjustments, pump cycling, and programmed spa modes.
  • Compatibility must be verified: Experts strongly emphasize matching the correct revision (X310333 and system software version) to avoid display or communication errors.
Q&A

Q: What is the Master Spas ST1 SQ + TRAP INT 15' MS Control Panel (X310333)?
A: The X310333 is a genuine OEM Master Spas topside control panel designed for compatible H2X swim spas and hot tub systems, featuring an ST1 square/trapezoid interface with a 15-foot connection cable.

Q: What does this control panel do?
A: It provides user control for key spa functions such as jets, temperature, filtration cycles, lighting, and system settings depending on the spa configuration.

Q: What type of display and buttons does it have?
A: It is an LCD-based topside control panel designed for simplified spa operation with multiple function buttons for everyday use.

Q: Which spas is it compatible with?
A: It is used in select Master Spas H2X and related swim spa systems that require the ST1 SQ + TRAP INT configuration. Always verify your existing part number before ordering.

Q: Is this an OEM replacement part?
A: Yes. The X310333 is an original Master Spas replacement control panel designed for proper fit, sealing, and system compatibility.

Q: Are there replacement or updated versions?
A: Yes. Some related models in this series have been updated or replaced by newer ST1 control panels depending on spa generation and software compatibility.

Q: Is professional installation recommended?
A: Yes. Installation by a qualified spa technician is recommended to ensure correct sealing, wiring connection, and system setup.


Maintenance Tips
  • Wipe the control panel regularly with a soft, damp cloth to remove moisture, oils, and debris buildup.
  • Avoid abrasive cleaners, alcohol, or solvents that can damage the screen and keypad overlay.
  • Keep the panel dry and ensure a proper spa cover fit to minimize water exposure and UV damage.
  • Inspect the 15' cable periodically for cuts, pinching, or wear that could affect signal stability.
  • Ensure all connections are tight, clean, and protected from moisture intrusion.
  • Maintain balanced water chemistry to reduce vapor-related corrosion in the control area.
  • Monitor for unresponsive buttons or display errors and address issues early to prevent failure.
  • Always turn off power at the breaker before servicing or reconnecting the panel.
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