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W4 - Universal Testing Kit
That Leisure Shop

W4 - Universal Testing Kit

£23.99
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Description
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W4 Universal Testing Kit – UK & European Mains Supply Tester

The W4 Universal Testing Kit provides everything you need to safely test campsite electrical supplies, both in the UK and Europe. Ideal for caravans, motorhomes and campervans, this kit is especially useful for checking polarity reversal at the source before connecting your leisure vehicle to the mains.

Simple to use and compact to store, the kit ensures peace of mind by helping you verify that the site’s electrical hookup is wired correctly and safe to connect to.

How to Use

  • UK 3-Pin Socket: Use the mains tester only
  • European Standard 3-Pin Socket: Use the trailing socket together with the mains tester

Key Features

  • Tests campsite electrical supply in both the UK and Europe
  • Ideal for identifying polarity reversal issues
  • Compatible with UK 3-pin and European 3-pin sockets
  • Essential safety accessory for caravans, motorhomes and campervans
  • Compact, portable and easy to use
Refund policy
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We offer a 30-day return window from the day you receive your item.

To be eligible, items must be:

  • Unused, with tags
  • In original packaging
  • Accompanied by proof of purchase

To start a return, please click here.
Return address: That Leisure Shop, A370, Hewish, BS24 6RT

Please don’t send items back without requesting a return first, as they won’t be accepted.

Damaged or incorrect items

Please check your order on arrival. If there is an issue, contact us straight away so we can help resolve things.

Non-returnable items

We can’t accept returns on:

  • Perishables (food, flowers, plants)
  • Custom or personalised items
  • Hazardous materials or flammable liquids
  • Sale items or gift cards

Please get in touch if you have questions or concerns about your specific item.

Refunds

We’ll confirm once we’ve received and checked your return. If approved, you’ll be refunded to your original payment method within 10 business days.

Need help? Don't hesitate to get in touch.

Shipping policy
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Our team works hard to get you your order as swiftly and safely as possible.

UK Mainland

Standard Shipping – £4.99 (3–5 working days)
Free Shipping – When you spend over £75 (3–5 working days)

Channel Islands, Isle of Man & Jersey

Standard Shipping – £9.99 (2–11 working days)

Ireland & Europe 

Standard Shipping – £19.99 (2–11 working days)

Customs & Import Duties

Orders shipped to Southern Ireland and other European destinations may be subject to local customs charges, import taxes, or duties. These charges are set by your country’s customs authority and are not included in our prices or shipping costs.

Customers are responsible for checking their local tariff regulations and for paying any applicable charges upon delivery.

That Leisure Shop is not responsible for customs fees, import taxes, or duties.

If a parcel is refused or returned due to unpaid customs charges, the original delivery cost will not be refunded.

🚫 Collection Only Items

Some items, like leisure batteries and gas, can’t be posted and are only available for collection in-store. If you accidentally check out for delivery, we’ll be in touch to arrange pickup instead.

Need help? Don't hesitate to get in touch.

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Customer service
Rated Excellent
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Free Shipping
On orders over £75

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