Kränzle K7 / HD 7/122 Pressure Washer: Specifications and Safety Notes

At a glance
- What it is: A professional-grade cold water electric pressure washer from Kränzle. Dealers list the K7 as the HD 7/122, with automatic (TS) and continuous versions.
- Key specifications: 30 to 120 bar working pressure, 135 bar maximum; 240V, 7.5A; 5 m cable; 440 x 200 x 330 mm; 25 kg; 10-year anti-corrosion guarantee on the brass valve housing (UK dealer).
- Suits: Detailers and heavy domestic users who want a durable machine.
- Skip if: You want a light, cheap washer; this is a professional unit.
We haven’t tested this product ourselves. This page summarises one UK detailing dealer’s listing for the HD 7/122 TS, checked 19 October 2026. The K7 variants differ, so check the exact model.
Specifications
| Specification | Detail | Source |
|---|---|---|
| Product | Kränzle HD 7/122 TS (K7) pressure washer, quick release options | [1] |
| Pressure | 30 to 120 bar; maximum overpressure 135 bar | [1] |
| Flow | 10 l/min (600 l/h) for the version listed | [1] |
| Motor and power | Electric, 2800 rpm; 240V 50Hz; 7.5A; 2.5 kW input, 1.8 kW output | [1] |
| Cable and hose | 5 m cable with plug. Hose sold as an option (10 m or 20 m) | [1] |
| Size and weight | 440 x 200 x 330 mm; 25 kg | [1] |
| Guarantee | 10-year anti-corrosion guarantee on the forged brass valve housing | [1] |
| Price | From £1,539.00 on the dealer’s page | [1] |
Other dealers list the standard K7/122 at 7 l/min (420 l/h) and 1400 rpm. The figures above are for the TS version on this dealer’s page.
What owners report
We have not reviewed owner feedback for this product.
Known issues and safety
Recall check: we searched GOV.UK product safety alerts, reports and recalls (Office for Product Safety and Standards) for “kranzle” on 19 October 2026 and found no results [2]. Check the list again for the exact model before you buy.
We did not review a manual. Never point the jet at people or animals, wear eye protection, and use a power supply protected by an RCD.
Questions people ask
Is it a domestic machine?
It is sold as professional or industrial equipment, at a professional price [1].
What does TS mean?
The dealer lists TS (Total Stop) as the automatic version, alongside a continuous version [1].
What is the guarantee?
10 years against corrosion on the valve housing [1]. We did not find a general warranty on the page.
Alternatives
- Kärcher K 2 Home: A light domestic machine. See our separate page.
- Other pressure washers: See our pressure washers hub.
Our verdict
Based on the evidence, this suits heavy users who want a professional machine and accept the cost. Dealers describe different K7 versions, so check the model before buying. This is a research summary, not a test result.
Sources
- Kranzle HD 7/122 TS Pressure Washer, The Ultimate Finish (UK dealer listing), theultimatefinish.co.uk. The page shows no date. Checked 19 October 2026.
- GOV.UK search of product safety alerts, reports and recalls, Office for Product Safety and Standards, gov.uk. Searched 19 October 2026.