Daphine S Center , TX May 30, 2017 Appliance: Whirlpool Electric Wall Oven RB220PXK1 Whirlpool Oven Rb220pxk1: Could not bake using bottom element it was out and thermostat dial numbers were worn off so had to guess. How to replace Oven Bake Element. Put the element name and number in google and searched. Came up with your website and video. Did have a relative do the installing. Could have done it myself from the video and I will be 80 years old in January. One of the smartest things I've done lately. Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes