KONGRA LLC · High-End Appliances
High-End Appliance Repair in San Jose & Bay Area
Diagnostics and repair for premium kitchen, refrigeration and laundry appliances across San Jose and the Bay Area.
Equipment-specific service information
Sub-Zero
Built-in refrigerators, integrated columns, freezers, wine and undercounter refrigeration.
Sub-Zero repair →Wolf
Ranges, rangetops, cooktops, wall and steam ovens, and warming drawers.
Wolf repair →Thermador
Ranges, cooktops, wall ovens, dishwashers and built-in refrigeration.
Thermador repair →Miele
Ovens, dishwashers, laundry, coffee systems and built-in refrigeration.
Miele repair →Gaggenau
CM470 built-in coffee-machine drainage: a documented field investigation.
Gaggenau repair →Other selected appliances
Common problems we diagnose
Two of these have their own guides. If an oven stays locked or displays a door-lock message, see oven door locked. If water appears around a refrigerator door dispenser, see refrigerator water dispenser leaking.
More appliance services
Real equipment, documented diagnostics
Bosch wall oven moved out from cabinetry for internal access during a service visit.
Induction cooktop opened for access to cooking modules, sensors, wiring and controls.
Viking gas cooking equipment with integrated downdraft documented during inspection. Burner, ignition and ventilation concerns are assessed as distinct systems.
Viking cooking equipment: identify the symptom and model
For a Viking range, cooktop or oven, tell us whether the complaint is ignition, repeated clicking, heating or temperature consistency. Identify the affected burner or cavity and the cooking mode. Our field photograph above documents cooktop inspection; it does not establish a replaced component or a final repair result. Send your model label and installation photo for a service-scope review.
Completed gas-cooktop restoration: Viking VGSU161 with all burners replaced, separate ignition service and downdraft work.
Related field case: Viking induction cooktop with two dead zones and a replaced generator module.
Find the Viking manual for your modelGaggenau CM470: a real built-in coffee-machine case
The documented CM470 drainage investigation includes the installed machine, its model label and the concealed drain route. These photographs help explain why the installation and water path matter when a built-in coffee system is not draining.
Read the CM470 drainage case and see the service photographsFor other Gaggenau equipment, send the full E-Nr from the rating plate and the exact symptom so model-specific coverage can be confirmed.
Gaggenau model-specific manualsBefore your visit
Send the model. Show us the problem.
Send the brand, model, symptoms and your city. You can email equipment and model-label photos separately when useful.
Have a photo? Email it with your equipment model and request details to help us prepare.
Related services
Read customer reviews
“Russ repaired and cleaned the whole thing, and it works perfectly.”
“He didn’t try to up charge or replace any unnecessary parts.”
Frequently asked questions
Which high-end brands do you service?+
Selected Sub-Zero, Wolf, Miele, Thermador, Viking, COVE, Hestan and other premium appliances.
How do I start?+
Book Online if you know the service you need, or use Request Service to send the model, symptoms and photos first.
Can I send photos before booking?+
Yes. A clear equipment photo and model label can help us prepare for the visit.