who manufactures Diplomat dishwashers?

Manufactured by Whirlpool UK ltd.
01208 649 5000

Guinness
May 2009

Diplomat was a brand name used exclusively I believe by MFI now in administration - or perhaps even wound up.

Speg and Hygena and probably others made badged appliances for MFI but that is of little consequence.

Here's a link from this site about how to discover if you have any warranty cover...

http://www.howtomendit.com/answers.php?id=226492

Good luck...

Peccavi
April 2009