Caloric
Gas Cooktop

Model # RTR-646 Official Caloric gas built-in cooktop

Here are the diagrams and repair parts for Official Caloric RTR-646 gas built-in cooktop, as well as links to manuals and error code tables, if available.

There are a couple of ways to find the part or diagram you need:

  • Click a diagram to see the parts shown on that diagram.
  • In the search box below, enter all or part of the part number or the part’s name.

Not all parts are shown on the diagrams—those parts are labeled NI, for “not illustrated”.

We encourage you to save the model to your profile, so it’s easy to access parts and manuals for your appliance whenever you log in.

For DIY troubleshooting advice and repair guides, visit our repair help section.

Model diagram and schematic

SEARCH WITHIN THIS MODEL

?

This is the number corresponding to the part on the diagram / schematic

Search
ALL PARTS
Showing 10 of 64 parts  |

Screw, Air Shutter 41802
#13

Cooktop diagram

Screw, air shutter

Part #41802

The manufacturer no longer makes this part, and there's no substitute part

Screw, Handle Mounting 41765
#3

Cooktop diagram

Screw, handle mounting

Part #41765

The manufacturer no longer makes this part, and there's no substitute part

Main Top - Almond 40033L
#4C

Cooktop diagram

Main top - almond

Part #40033L

The manufacturer no longer makes this part, and there's no substitute part

Molex Plug 42106

#NI

All parts diagram

Molex plug

Part #42106

The manufacturer no longer makes this part, and there's no substitute part

Tb Grate 42348
#7

Cooktop diagram

Tb grate

Part #42348

The manufacturer no longer makes this part, and there's no substitute part

Flash Tube Assembly 40813
#31

Cooktop diagram

Flash tube assembly

Part #40813

The manufacturer no longer makes this part, and there's no substitute part

Ceramic Briquette Basket 42738
#16

Cooktop diagram

Ceramic briquette basket

Part #42738

The manufacturer no longer makes this part, and there's no substitute part

Control Tower 42666
#5A

Cooktop diagram

Control tower

Part #42666

The manufacturer no longer makes this part, and there's no substitute part

Grease Pan Support 40959
#26

Cooktop diagram

Grease pan support

Part #40959

The manufacturer no longer makes this part, and there's no substitute part

Burner, Right Front 42352
#47

Cooktop diagram

Burner, right front

Part #42352

The manufacturer no longer makes this part, and there's no substitute part

Most common symptoms to help you fix your cooktops

Choose a symptom to see related cooktop repairs.

Main causes: lack of electrical power, gas supply failure, bad pressure regulator, control system failure…

Repair guides for gas cooktops

How to replace a spark module on a gas cooktop

How to replace a spark module on a gas cooktop

No flame on your gas cooktop? Installing a new spark module could be the fix you need.…

Repair difficulty
Time required
 30 minutes or less
How to replace a spark igniter switch on a gas cooktop

How to replace a spark igniter switch on a gas cooktop

Follow these step-by-step instructions to fix the surface burner ignition system on your gas cooktop by replacing the sp…

Repair difficulty
Time required
 45 minutes or less

Effective articles & videos to help repair your cooktops

Use the advice and tips in these articles and videos to get the most out of your cooktop.

Wiring schematic symbols explained video

Wiring schematic symbols explained video

Learn some of the most common symbols found in a wiring diagram and what they mean.…

How to repair broken or damaged wires video

How to repair broken or damaged wires video

Learn how to repair broken, frayed or damaged wires in your appliances.…

How to use a multimeter to test electrical parts video

How to use a multimeter to test electrical parts video

Learn how to use a multimeter to check for wiring problems in an appliance that's not working…