What is this combination radiator step wrench used for?

It is designed for installing and removing radiator valves, runback connections from 3/8" to 1", and short tap extensions.

What step sizes are included on this wrench?

It features 5 stepped sizes: 3/8", 12 mm, 1/2" (13 mm), 3/4" (17 mm), and 1" (22 mm).

What drive size is required to turn this key?

It has a standard 1/2" square drive suitable for any standard 1/2" ratchet.

What internal profiles can this tool engage with?

It features lug, hexagon, and 12-point bi-hexagon drive sections for various valve designs.

Is a ratchet included with this product?

No, this item includes only the individual 380100 combination stepped key.

GEDORE 380100 combi radiator spanner with 5 sizes 3/8"-1" - 4513040

Name: GEDORE 380100 combi radiator spanner with 5 sizes 3/8"-1" - 4513040
Brand: GEDORE
SKU: 02233449
Price: 42.8 EUR
Availability: InStock
Rating: 10 (1 reviews)

Supplier number: GEDORE 4513040 | EAN 4017981380102

1 review(s)

Recommended Retail Price €68.85

42.80 tax incl.

€35.37 excl. VAT (incl. all environmental contributions)

On stock - immediately available | we have 2 products in stock.

Ordered before 20:00 - delivered tomorrow 03/10/2026
Shipping costs €11.99 VAT included | Free shipping for orders over a total amount of 125 euros
Delivery by DHL
Delivered from Belgium

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Versatile radiator valve installation and removal

Practical benefits

Wide range of fittings: You install and remove radiator valves, return unions from 3/8" to 1", and short tap extensions using five distinct stepped sizes.
Solid Gedore multi-drive profile: The integrated cam, hex, and double-hex drives give you a precise and slip-free connection on diverse plumbing fittings.
Fast connection to ratchets: With the 1/2" square drive, you connect directly to a standard ratchet for smooth and controlled tightening.

In a nutshell

The right choise for

With the Gedore 380100 combination radiator step wrench, you install and remove radiator valves, return unions, and short tap extensions effortlessly with a single tool. Featuring five stepped sizes from 3/8" to 1" alongside integrated lug, hex, and 12-point drives, it delivers a precise, slip-free grip on various fitting profiles. Simply connect your standard ratchet to the 1/2" square drive to transfer torque smoothly and work faster during plumbing and heating installations.

Product information FAQ Reviews

€42.80

In stock - tax incl.

Key features according to our expert

Product description

For mounting and removing radiator and return valves 3/8"-1", and short tap extensions
With cam, hex and 12-sided fittings, 1/2" drive square
Nickel-plated

All Features

Use/application: for fitting and removing radiator and return valves 3/8"-1", and short tap extensions
Drive type/drive: Single-sided square
Surface area: nickel-plated

Brand GEDORE
02233449
EAN 4017981380102
Supplier number GEDORE 4513040

Frequently asked questions about this product

Answered by specialists

What is this combination radiator step wrench used for?: It is designed for installing and removing radiator valves, runback connections from 3/8" to 1", and short tap extensions.
What step sizes are included on this wrench?: It features 5 stepped sizes: 3/8", 12 mm, 1/2" (13 mm), 3/4" (17 mm), and 1" (22 mm).
What drive size is required to turn this key?: It has a standard 1/2" square drive suitable for any standard 1/2" ratchet.
What internal profiles can this tool engage with?: It features lug, hexagon, and 12-point bi-hexagon drive sections for various valve designs.
Is a ratchet included with this product?: No, this item includes only the individual 380100 combination stepped key.

Questions about this product?

Our product specialists are happy to help with any questions about this range. Call, email or chat with us!

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03 74 000 41 [email protected]

Reviews about GEDORE 380100 combi radiator spanner with 5 sizes 3/8"-1" - 4513040

10,0 op 10

1 review(s)

5 stars

(1)

4 stars

(0)

3 stars

(0)

2 stars

(0)

1 stars

(0)

Review Terms and Conditions Klium

10/10

19/02/2019