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Harwil Flow Switch 3 Port

Harwil Flow Switch 3 Port
Our Price:  £77.00

(Inc. 20% VAT)

Quick Find Code:  31609



No stock, delayed despatch


  • 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

Related Products

Product Specification

Manufacturers Code

MPN:  6560-860

Product Attributes

Quick Find Code:  31609
Brand:  Harwil
Length (cm):  12.5
Height (cm):  6.5
Includes Cable:  Yes
Connection:  Micro Pin

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 or build 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

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Delivery Information

Our Delivery Companies

We’ve reduced many of the delivery charges and now offer a better range of options linked to the value of your order. Plus we have included free packaging and handling for all orders.

Some larger Items

Some larger items (for example hot tub covers) come with a delivery surcharge, these are individual costs that only apply to these specific items. Detail of the costs are on the specific item pages and appear in the postage cost.

Liquids and Chemicals

Please note we cannot send liquids and chemicals to anywhere other than main land UK due UK and international Chemical handling laws.

England and Wales

Next Day Delivery

England and Wales (if ordered before 12:00 (12am) Signed Courier service - £9.00

Orders placed before 12 Mid Day will arrive the next working day via courier excluding Saturday, Sunday and bank holidays

Deliver method either APC or DPD.

Standard 2-4 days delivery

Delivery England and Wales Only - Cost £6.50 (under £50) - Free on orders over £50

Delivery by UPS or APC


All other items and areas

The standard charges have been set high to cover extra cost on postage to other areas, so please get in touch for a quotation.

Scottish Highlands & Islands - £20 (call/email for cheaper delivery via Royal Mail)
Northern Ireland and Isle of Man - £26.40 (call/email for cheaper delivery via Royal Mail)
Southern Ireland - £18.00 (call/email for cheaper delivery via Royal Mail)
Channel Island - £47.00 (call/email for cheaper delivery via Royal Mail)
Please Call or Email if you are outside these areas

Europian Delivery

The following areas take between 2 -5 days to deliver.

Inside Europe A Austria, Belgium, Denmark, France, Germany, Luxembourg, Netherlands - £14
Inside Europe B Czech Republic, Estonia, Finland, Hungary, Italy, Poland, Portugal, Slovakia, Slovania, Spain, Sweden - £29 (call/email for cheaper delivery options)
Inside Europe C All other please get in touch. - £ ?
Please Call or Email if you are outside these areas

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Please feel free to ask any questions about this product or other hot tub related items including how to repair, replace and test this item or any other items.

Telephone: 01209 808343


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

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