LX JA75 Superior Spec Circulation Pump (No Air Switch)

Durable 0.75HP spa pump with center discharge and dual air bleed ports—ideal for consistent water circulation without internal air switch.

Overview

The LX JA75 Superior Spec is a robust 0.75 HP (0.55 kW) single-speed circulation pump crafted to meet Superior Spas’ specifications. Unlike the standard JA75, this version omits the internal air switch and instead features two 11 mm air bleed ports on the wet-end faceplate. With center discharge and self-draining operation, it delivers up to 250 L/min flow and 12 m head, fitting 1.5″ suction and discharge unions. It’s commonly used in Chinese-manufactured hot tubs, including AMC Winer Spa and Spa Serve models.

Technical Specs

• Motor Power: 0.75 HP (0.55 kW)

• Current Draw: 3.2 A

• Speed: 2,900 RPM

• Flow Rate: Up to 250 L/min

• Maximum Head: 12 m

• Plumbing Connections: 1.5″ suction/discharge unions

• Dimensions: 325 × 155 × 185 mm

• Capacitor: 10 µF; thermally protected motor

Key Features

• Superior Spas Specification: No internal air switch—ideal for systems using external pneumatic control.

• Dual Air Bleed Ports: 1/4″ (11 mm) bleeds at the wet end simplify manual priming and venting.

• Self-Draining Center Discharge: Automatically clears water when off, reducing risk of microbial growth and freeze damage.

• Durable and Quiet: Finned motor design with rear cooling fan provides efficient, low-noise operation.

• OEM Replacement: Designed for use in a wide range of spas with 1.5″ plumbing, making it a cost-effective replacement option.

Benefits

• Efficient Water Circulation: Maintains optimal flow for heating and filtration needs.

• Easy Maintenance: Air bleeds simplify priming, especially during routine servicing.

• Versatile Compatibility: Suits both OEM spa systems and aftermarket retrofits.

• Built-In Protection: Thermal motor guard and self-draining housing enhance safety and longevity.

Applications

• Suited for Superior Spas, as well as Chinese and imported hot tubs featuring 1.5″ plumbing.

• Ideal for use as a dedicated circulation pump in both OEM and aftermarket scenarios.

Summary

The LX JA75 Superior Spec (No Air Switch) is a high-performance and reliable solution for hot tub circulation needs. With its rugged 0.75 HP motor, self-draining design, and convenient dual air bleeds, this pump delivers consistent flow, easy maintenance, and a professional-level performance—without requiring an internal air switch.