AstralPool CTX 280C 1HP Pool Pump – Compatible Replacement

This 1HP pool pump is a direct, plug in compatible replacement for AstralPool CTX 280C 1HP pump, designed to deliver reliable performance with no plumbing modifications required. Built specifically for Australian conditions, it combines durability, quiet operation and efficient water circulation, making it ideal for residential swimming pools.

Constructed from high quality engineering grade thermoplastic, the pump body offers excellent resistance to corrosion, UV exposure, and harsh pool environments. Internally, the pump features a stainless steel shaft, ceramic mechanical seal and true carbon face to ensure long service life and dependable operation. A carefully engineered diffuser and balanced impeller system delivers strong, consistent water flow while maintaining extremely low noise levels, even under higher operating pressure.

This pump forms part of a complete compatible replacement range, with additional options available in 1.25HP, 1.5HP, and 2HP to suit pools requiring higher flow or pressure. All models are designed around the same installation footprint, allowing easy replacement or upgrades without redesigning existing pipework. Dual-size barrel unions suit both 40mm and 50mm PVC pipe connections, while the clear inspection lid provides fast access to the strainer basket for simple routine maintenance.

Key Features

• Direct plug-in compatible replacement
  Designed to suit AstralPool CTX 280C installations with no plumbing changes required.

• Available across multiple horsepower options
  1HP, 1.25HP, 1.5HP, and 2HP models available in the same compatible range.

• Australian made and built for local conditions
  Engineered to handle Australian climates and pool environments.

• Durable corrosion-resistant construction
  Engineering grade thermoplastic housing resists UV exposure and pool chemicals.

• Extremely quiet operation
  Balanced impeller and diffuser design minimises noise during operation.

• Continuous-duty rated motor
  Designed for everyday pool filtration and circulation.

• Dual-size pipe compatibility
  Supplied barrel unions suit both 40mm and 50mm PVC pipe.

• Easy maintenance access
  Clear inspection lid allows quick strainer basket cleaning.

Specifications – 1HP Version

• Horsepower: 1.0 HP

• Flow Rate @ 8m Head: Approx. 270 LPM

• Voltage / Phase: 240V / Single Phase

• Power Input: Approx. 950 Watts

• Full Load Amps: Approx. 4.1 A

• Noise Level: Approx. 60 dB(A) @ 1 metre

• Pipe Connections: 40mm or 50mm PVC

• Maximum Water Temperature: 45°C

• Construction: Engineering-grade thermoplastic

• Shaft & Seal: Stainless steel shaft, ceramic mechanical seal, true carbon face

• Manufacture: Australia

Installation Guide (Overview)

1. Position the pump on a solid, level base close to the pool water level.

2. Ensure adequate clearance around the motor for ventilation and cooling.

3. Connect suction and discharge pipework using the supplied barrel unions.

4. Confirm all pipe connections are airtight and valves are open.

5. Prime the pump by filling the strainer basket with water.

6. Connect to a 240V power supply protected by an RCD.

7. Start the pump and confirm steady water flow.

All installations must comply with relevant Australian electrical and plumbing standards.

Maintenance Tips

• Clean the strainer basket regularly to maintain proper water flow.

• Inspect and lubricate the lid O-ring with silicone grease when required.

• Never operate the pump without water in the system.

• Maintain balanced pool water chemistry to protect internal components.

• Keep ventilation areas clear to prevent motor overheating.

Warranty

This pool pump includes a limited manufacturer’s warranty of 3 years on the pump body, 2 years on the motor and 12 months on the mechanical seal, subject to correct installation and normal operating conditions.

What’s in the Box

• 1 × 1HP Pool Pump

• Barrel unions suitable for 40mm and 50mm PVC pipe

• Clear inspection lid with strainer basket fitted

• Installation and operation manual