LX Pump WP400 – 4HP – Single Speed (2″x2″)
The LX WP400 pump is a robust, high-performance pump designed for use in spas and hot tubs. Ideal for applications requiring both high flow and reliable operation, this pump excels in delivering powerful water circulation and jet performance.
79mm Centre Suction x 79mm Side Discharge
Key Features:
High Power Output: With a power rating of 2.0 kW (2.7 HP) at high speed, the WP400 provides substantial flow for effective water movement and massage jet operation.
High Flow Rate: Capable of achieving a maximum flow rate of 750 liters per minute, making it suitable for larger spas and hot tubs requiring significant water circulation.
Versatile Connections: Features 2-inch (60 mm) pipe connections with male threads, ensuring compatibility with standard plumbing setups. Includes unions and gaskets for easy installation.
Useful Information
The LX WP400 is a robust 4.0 HP single-speed hot tub pump, designed to deliver both power and efficiency. Equipped with a 4-core plain cable, it offers reliable high-performance operation, making it ideal for powerful jet action and consistent water circulation.
The WP-400-I is the only model in the WP series that operates at a single speed, utilising the high-speed setting exclusively.
This pump is fully interchangeable with select Waterway and Aqua-Flo models, offering flexibility for replacements or upgrades. Backed by a 12-month warranty from the date of purchase, the LX WP400 ensures durability and peace of mind, making it a dependable choice for any hot tub system.
79mm Centre Suction x 79mm Side Discharge
Product Information
4.0 Horsepower
Single Speed
2.0" Connections
High Speed: 4.0HP / 3.0kW
Max. Head: 20m
Max. Flow: 800 L/min
Pump Unions Included
Dimensions ( L x W x H)
445 x 250 x 305 (mm)
Weight of item: 19.3 Kg's


