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Claber 8423 Aquauno Select

Claber 8423 Aquauno Select
Claber 8423 Aquauno Select
Claber 8423 Aquauno Select
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Claber 8423 Aquauno Select
Claber 8423 Aquauno Select
Claber 8423 Aquauno Select
Claber 8423 Aquauno Select
£40.20
Ex Tax: £33.50
  • Stock: In Stock
  • Model: 8423
  • Weight: 0.59kg
  • Dimensions: 45.00cm x 16.00cm x 35.00cm
  • SKU: CL-8423-1
  • JAN: 145
  • Global Product Classification: 10003264
  • MPN: 8423

Claber Aquauno Select

The Claber 8423 water timer is a reliable, easy-to-use single-outlet irrigation controller designed to automatically manage a single separate watering zone from an outdoor tap. It allows you to water lawns, flower beds, vegetable patches, or drip irrigation systems independently and efficiently.

Featuring simple rotary dial programming, the Claber 8423 removes the complexity of digital menus. Users can select from a range of 63 preset watering programmes. This makes it an excellent choice for gardeners who want dependable automation without complicated setup.

The timer operates on one 9V alkaline battery (not included) and is built with fully sealed electronics, ensuring consistent performance outdoors throughout the watering season. A built-in, washable stainless steel filter protects the valve from dirt and debris, helping extend the unit's life and maintain smooth operation.

Compatible with standard 3/4″ garden taps and hose connectors, the Claber 8423 works across a wide pressure range, making it suitable for most domestic water supplies. Whether used with sprinklers, soaker hoses, or drip irrigation systems, it delivers precise and efficient water control.

Durable, practical, and designed for everyday garden use, the Claber 8423 water timer is the ideal solution for gardeners looking to save time, reduce water waste, and keep plants consistently watered.


All of our products have only three postage rates, irrespective of the quantity of products purchased.

Royal Mail Large Letter @ £1.99

Royal Mail Small Parcel @ £4.99,

For large bulky items, we use a reputable courier such as UPS or DPD with a maximum charge of £14.99

If you order more than one item, we will consolidate the items and levy one postage charge.

We deliver to all European Union countries using Royal Mail Tracked International.  We are IOSS registered which means hassle-free shipping,  we pay all Custom Fees and Import VAT which means you get faster shipping. The delivery cost will be shown at Checkout.

For a shipping quote for countries outside of the European Union please email us at quote@topiarygarden.co.uk 

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Claber 8423 Water Timer – Frequently Asked Questions

What is the Claber 8423 water timer used for?

The Claber 8423 is an automatic tap-mounted water timer designed to control two separate irrigation lines from a single garden tap. It is ideal for watering different garden areas on independent schedules.

Is the Claber 8423 easy to program?

Yes. The timer uses a simple rotary dial system with 63 possible programmes, making setup quick and intuitive without complex digital menus.

What watering durations are available?

Depending on the selected programme, watering durations typically range from a few minutes up to around 60 minutes per cycle.

What are the watering frequencies?

Once or twice per day, every 24 hours, on selective days (e.g. every 2, 3, or 7 days). The exact frequency depends on the chosen programme.

Does the Claber 8423 require batteries?

Yes. It operates using one 9V alkaline battery (not supplied). Battery life is designed to last an entire watering season under regular use.

Will it work with low water pressure?

Yes. The Claber 8423 works with water pressures from 0.5 bar up to 10 bar, making it suitable for most domestic garden taps.

What tap size does it fit?

It connects to a standard 3/4″ (20–27 mm) outdoor tap with a crew thread.

Can I use it with drip irrigation systems?

Yes. The Claber 8423 is suitable for drip and micro-irrigation systems; a pressure regulator is a practical additional option.

Is the Claber 8423 weatherproof?

Yes. The unit features sealed electronics and is designed for outdoor use. For protection, it should be removed and stored indoors during freezing winter conditions. So that you know, the manufacturer's warranty does not cover damage due to frost.

Does it include a filter?

Yes. A washable stainless steel filter is built into the valve mechanism to prevent dirt and debris from entering it.

What type of garden is the Claber 8423 best suited for?

It is ideal for smaller gardens, lawns and flower beds, greenhouses, vegetable patches, and sprinkler and drip systems.

What warranty does the Claber 8423 come with?

A 2-year manufacturer’s warranty


Claber 8423 Aquauno Select

TypeAutomatic one-line water timer
Number of OutletsOne
ControlRotary dial with 63 preset watering programmes
Watering Duration1 – 60 minutes per cycle
Irrigation FrequencyUp to 2 cycles per day
Tap Connector Size3/4″ (20 – 27 mm) tap connector thread
FilterWashable stainless steel filter included
Working Pressure Range0.5 bar – 10 bar
Battery1 × 9 V alkaline battery (not included) 
MaterialsBody ABS plastic, Tap connector PA66, Filter Stainless steel & rubber


Tags: Timer , SP