Harwil Flow Switch 3 Port

Harwil Flow Switch 3 Port
Quick Find Code:  31609
Our Price:  £87.00(Inc. 20% VAT)



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  • Includes freeze protection port
  • Easy to replace
  • Original part

Made by Harwil

Available in 2 types, both have 3/4" connections but  this one has a small connection that comes of the bottom which is used to empty all the water out when the spa is drained down, please see images.

This product is one of the most popular hot tub flow switches and can be found in use on numerous brands of hot tubs and spas.

This product is a favourite with hot tub owners as it in ingeniously simple to fit.

The hot tub switch can be removed to easily replace the existing switch without having to do any complicated hot tub plumbing.

  • Length: 12.5cm
  • Height: 6.5cm
  • Thread: 1" (switch thread width)
  • Connections: 2 x 3/4" (internal plumbing pipe size) and 1 x 3/8" lower port

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Product Specification

Manufacturers Code

MPN:  6560-860

Product Attributes

Quick Find Code:  31609
Brand:  Harwil
Item Height:  6.5
Item Length:  12.5
Includes Cable:  Yes
Connection:  Micro Pin
Type:  Flow Switch

Please note all Hot tub Parts sold are UK Spec, which means designed for 230 V at 50Hz

The following manuals are available for this product

Need More Detail?

At Hot Tub DIY we want to make it as easy as possible for you to repair your hot tub, the following guides relate to this product.

For a full list of guides please go to our Articles page and choose a section : Hot Tub Help Articles

Hot Tub Electrical Guides

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