Why does my Gardena leak from the control box

I agree with the other answers listed here. But another way (rather than diver lube) is pipe tape. It is cheap and "fills" in the spacing between the threads. Wind the tape - two or three times around - in the direction that you will be screwing the Gardena adapter on. So to recap - replace washer, check plastic for cracks (on both items), and use pipe tape.

Can I use these on the end of a hose, so I can rapidly swap sprayer nozzles, with other end of the hose attached to spigot as normal?

yes, you can BUT shut off your water supply valve before you do, I use a simple on-off, valve on hose end to save steps, rather than walking back and forth

when ad states that is works with 5/8 and 1/2 it's only referring to the connector, not the hose... correct??

It is the hose diameter. The most common residential size is 5/8. The diameter determine the flow rate. The connectors will be standard and will fit the hose you have. It's basically saying anything over 5/8 you will not get the higher flow rate or pressure.

Do thsese connectors restrict the water flow? They appear to have a reducer at one end!

No, they do not restrict water flow.

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GARDENA 36004 5 Piece Quick Connector Starter Set, For any 5/8 Inch or 1/2 Inch Garden Hose, Sprinkler or Spray Nozzle, Made In Germany (Inner Product Color May Vary)

GARDENA 36004 5 Piece Quick Connector Starter Set, For any 5/8 Inch or 1/2 Inch Garden Hose, Sprinkler or Spray Nozzle, Made In Germany (Inner Product Color May Vary)

Product ID: 120572120

Details

Brand
Gardena
Colour
Orange
Item length
1.38 Inches
Item weight
0.1 Pounds
Manufacturer
Gardena
Material
Plastic

💧Watertight seal prevents leaks

⏱️Quick-connect tech for instant setup

❄️Built-in frost protection for durability

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Description

💦 Connect Fast, Water Smart, Garden Like a Pro!

SMART WATER STOP - Automatic shutoff stops water flow instantly when disconnecting accessories—no mess, no waste.
LEAKPROOF RELIABILITY - Original GARDENA system ensures zero drips, saving water and frustration.
UNIVERSAL COMPATIBILITY - Fits any 1/2” or 5/8” hose and standard North American fittings seamlessly.
EFFORTLESS QUICK CONNECT - Snap on/off in seconds with ergonomic grips—even with wet hands!
DURABLE GERMAN ENGINEERING - Premium plastic with frost protection built to last through seasons and weather.

The Gardena 36004 5 Piece Quick Connector Starter Set offers a premium, watertight connection system compatible with 1/2” and 5/8” hoses. Engineered in Germany, it features ergonomic grips, automatic water stop technology, and frost protection, ensuring reliable, leak-free garden watering with effortless accessory swaps. Perfect for millennial professionals who demand efficiency and quality in their garden tools.

Specifications

ASIN	B0CXR513KX
Batteries Required?	No
Batteries included?	No
Best Sellers Rank	204,476 in Garden ( See Top 100 in Garden ) 5,394 in Garden Hose Parts & Connectors
Colour	Orange
Customer Reviews	4.6 4.6 out of 5 stars (753)
Date First Available	6 Aug. 2012
Guaranteed software updates until	unknown
Included Components	5 Connectors
Item Package Quantity	1
Item Weight	45.4 g
Item model number	36004
Manufacturer	Gardena
Material	Plastic
Part Number	B00004SDY5
Product Dimensions	6.05 x 3.51 x 3.51 cm; 45.36 g
Size	2.38 x 1.38 inches
Style	Classic
Usage	gardening

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€ 52.52

Duties & taxes included

In stock

Sold byAmazon FranceDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to France.

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