As Colette does not specify what is being "eingekocht", this is at least neutral, have a look at the photo on the website. No need to translate "Automat", these utensils always operate automatically, no manual straining e.g. is required.

The Cooks Kitchen - Preserving Boiler with Discharge Tap - Bottle ...- Kitchenware by mail order. Includes an extensive range of quality brand name kitchenware for your kitchen. Delivers Worldwide. Gift wrap service available.
thecookskitchen.com/browse_8952


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Note added at 6 hrs (2007-10-17 04:35:55 GMT)
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thecookskitchen.com/browse_8952

www.philipmorris.uk.com/prdf.php?pid=3446

odge.de/englisch/p/15800.html




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Note added at 6 hrs (2007-10-17 04:38:42 GMT)
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Severin EA3649 Preserving Boiler; enamelled housing; 1800 W; bowl capacity approx. ... Plaats de Severin EA3649 Preserving Boiler in uw Winkelwagen ...
www.fotovideoimport.nl/product_info.php?manufacturers_id=62...

odge.de/deutsch-englisch/Einkochger%E4t+%7Bn%7D.html




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Note added at 7 hrs (2007-10-17 05:36:54 GMT)
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More options but unfortunately they are not native English sites:

auto preserving cooker

Auto Preserving Cooker for exporters from outside of China. Find pre-qualified Auto Preserving Cooker suppliers like ZhanJiang BAI SHI JIA Electrical ...
baishijia.en.alibaba.com/offerdetail/57174004/Sell_Auto_Preserving_Cooker.html


preserving cooker



Rommelsbacher Einkochautomat KA 1802 Preserving Cooker bei eBay ...Finden Sie Rommelsbacher Einkochautomat KA 1802 Preserving Cooker in Haushaltsgeräte , Kleingeräte Küche , Sonstige bei eBay.
cgi.ebay.de/Rommelsbacher-Einkochautomat-KA-1802-Preserving-Cooker_W0QQcmdZViewItemQQitemZ280136226376