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Technical Info

At a glance

  • Low Noise and Vibration
  • Cable Included (AMP connection)
  • Rotatable Wet End - See How
  • 2" x 2" Unions Connection - More Info

LX WP400-I Spa Pump - 4HP - 1 Speed

79mm Centre Suction x 79mm Side Discharge
1 Reviews
SKU: PMP-8814MPN: WP400RRP:£311.84 LOGIN FOR TRADE PRICING

£249.47

INC VAT
Available to Order
Not enough physical stock available in retailable warehouse to fulfil, but is on demand
QTY
LID: 18413

Product Details

The WP-400-I is the only pump in the WP series that is one speed and uses only the high speed.

The LX WP series hot tub pumps are one of the most common two speed pumps used on Chinese manufactured hot tubs and swim spas as well as many other newer hot tub and swim spa brands appearing on the European market. 

The WP series of pumps will often serve as a circulation and booster pump, the low speed will circulate to heat and run filter cycles while the high speed will deliver a higher volume of water through hot tub jets. 

This pump features the high speed only. Making it best to use as a boost pump for powering the Jets. Using a separate pump for circulation.

The WP Series is also ideal for use with

  • Weak corrosive liquids such as weak acids (without solid granules) Liquid temperature: +5-60
  • For circulating fluids for use in workshops for cooling.

The WP series is also the pump of choice for both Jacuzzi and Sundance spas, replacing the discontinued Theramax pumps and can also be used to replace similar higher priced pumps from other manufactures at a more economical price.

Pump Specifications

Dimensions

  • 445 x 250 x 305 (mm)

Summary

  • High Speed: 4HP / 3kW
  • Max. Head: 20 m
  • Max. Flow: 800 L/min

Technical Specifications

MPNWP400-II
Type / Speed1 Speed
Power - P13
Amp Draw 13
RPM 2900
Capacitor Size(s)40
Impeller Diameter116mm
Union Connection Ref2.0
Connection Diameter79mm
ModelWP
Spare Parts AvailableYes - See Spare Parts List
Dimensions L x W x H445x235x305mm
HEAD - H max 20m
FLOW - Q max 800lpm
Impeller Part No.B351-04
Shaft Seal TypeType A
Impeller Vane Gap12.5mm
Warranty Available1
HTDIY SKU12025
JSP Warranty Available1
Upsells Tab TitleFrequently Bought Together
Sash 1WP400-I
Sash 2One Speed
Sash 34HP
Sash 42" x 2" (79mm x 79mm)
Extras Tab TitleSpares
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Reviews (1)

Peter John Douglas3/10/2025

Received item in good time as advertised, no problems with purchase or delivery, great service thank you.

Lewis responded:
Thanks, Peter! Great to hear everything arrived on time and without a hitch. Appreciate the kind words and your support.

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