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MASTER SPAS Wave Propulsion GFCI & Distribution Box - Y940920

MASTER SPAS Wave Propulsion GFCI & Distribution Box - Y940920

$690.99
$690.99 $920.99
SAVE 24% Sold out
MASTER SPAS Wave Propulsion GFCI & Distribution Box - Y940920

MASTER SPAS Wave Propulsion GFCI & Distribution Box - Y940920

$690.99
$690.99 $920.99
SAVE 24% Sold out

MASTER SPAS Wave Propulsion GFCI & Distribution Box - Y940920

What our Experts Think
  • Core Power Distribution Hub – The X940920 Wave Propulsion GFCI & Distribution Box is the central electrical interface that safely routes and manages power to the swim spa propulsion and support systems.
  • Integrated GFCI Protection – Built to meet swim spa safety requirements by supporting ground-fault interruption, helping protect users and equipment from electrical faults and leakage current.
  • Dedicated Propulsion Power Management – Designed specifically for Master Spas Wave propulsion systems, ensuring stable delivery of high-current power to drive the swim current motor.
  • System-Level Compatibility – Works as part of a multi-circuit swim spa setup, coordinating with control packs and internal junction systems for correct load separation and performance.
  • Heavy-Duty Outdoor Engineering – Built for continuous exposure to moisture, heat, and vibration in spa environments, supporting long-term operational reliability.
  • Service-Critical Replacement Part – Commonly used in diagnostics and repairs when propulsion systems lose power, trip GFCI protection, or fail to start under load conditions.
  • Professional Installation Required – Electrical configuration must follow dedicated circuit and code-compliant wiring practices to ensure safe operation and prevent nuisance tripping.

Q&A

Q: What is the MASTER SPAS Wave Propulsion GFCI & Distribution Box (Y940920)?
A: An OEM electrical control and power distribution unit used in Master Spas Wave propulsion swim spa systems to safely manage power delivery to the propulsion motor, spa systems, and auxiliary components.

Q: What does it do?
A: It combines a built-in GFCI protection system with power distribution, helping detect electrical faults and automatically shut off power to protect users and equipment.

Q: What systems is it used in?
A: Commonly used in Master Spas swim spas equipped with the Wave or Wave XP propulsion systems.

Q: Why is it important?
A: It is a critical safety and control component that ensures stable electrical operation of the propulsion system while meeting spa electrical safety requirements (GFCI protection is mandatory for swim spas).

Q: Is it a replacement part?
A: Yes, it is an OEM replacement distribution box designed to restore proper power management if the original unit fails.

Q: Should it be installed by a professional?
A: Yes. It involves high-voltage 240V wiring and integrated GFCI protection, requiring proper configuration and electrical expertise for safe installation.


Maintenance Tips
  • Test the GFCI regularly to ensure proper ground-fault protection and safe swim spa operation.
  • Keep the distribution box dry, clean, and tightly sealed to prevent moisture or corrosion damage.
  • Inspect wiring connections periodically for tightness, overheating, or corrosion.
  • Ensure proper grounding and stable electrical supply to protect propulsion system components.
  • Check for signs of water intrusion after heavy use, cleaning, or weather exposure.
  • Keep the enclosure free from insects, dust, and debris that can affect electrical reliability.
  • Monitor for tripped breakers or repeated GFCI trips and address underlying electrical or moisture issues promptly.
  • Always shut off power at the breaker before servicing, opening, or inspecting the box.
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