How to Replace Glass Jenn Air Cooktops

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Jenn Air makes a line of luxury home appliances, including a range of cook-tops. Cook-tops have a set of burners that mount atop the cabinet base, and which do not have an attached oven or lower unit. They preserve space and are ideal for people with smaller kitchens or those who do not require the use of an oven for cooking. Glass-covered Jenn Air cook-tops come in a variety of sizes and designs, all of which are powered by electric current. Jenn Air cook-top replacement requires some basic DIY skills and a few common tools.

Things You'll Need

  • Screwdriver
  • Crowbar
  • Flat head screwdriver
  • Wire nuts
  • Electrical tape

Remove

  • Turn off the circuit breaker that leads to your Jenn Air glass cook-top. Locate the electrical junction box to which your cook-top is connected. To find your box, trace the power wires from the underside of your cook-top back to their point of origin. Use your screwdriver to loosen and remove the screws on the face of the junction box, and take the cover off.

  • Unscrew the wire nuts that hold the black, red and white wires inside the junction box together. Untwist the wires from one another and separate them. Disconnect the green ground wire from the junction box ground as well.

  • Move to the bottom of the cook-top and detach it from the countertop mounting area. Locate the two clamping brackets at each side of the cook-top. Use your screwdriver to loosen the outside screws until the clamp is no longer held tight to the countertop. Loosen and remove the inside screws, and remove the clamps from the cook-top. If your cook-top has flat, side-mounting brackets rather than clamping brackets, move to Step 4.

  • Locate the two cook-top slides beneath each side of the unit. Use your screwdriver to loosen all four screws in each, and move the sliders away from the cabinet edges. You can now access the mounting brackets. Use your flat-head screwdriver to pop each of the four clips out of mounting bracket so the cook-top is no longer fastened in place.

  • Use your crowbar or flat-head screwdriver to lift the front edge of the cook-top away from the countertop and with the help of an assistant, lift the unit up and away.

Install

  • Place your new Jenn Air cook-top into the opening vacated by your old model. If your cook-top has side-mounting brackets, press down until all four mounting clips lock in place. An audible click should result. If you have a unit with clamping brackets, use your screwdriver to attach one bracket to each end of the underside of the cook-top before placing it into the opening. Screw in both inside screws halfway, leaving enough play for the brackets to spin. Turn the brackets sideways and slide the cook-top into position.

  • Move to the underside of the cook-top and turn the clamping brackets outward so they extend beneath the cabinet edges. Use your screwdriver to tighten the inside screws all the way. Install and tighten the outside screws so they lock in place under the cabinet edges. Test your cook-top to see that it is firmly in place. If your model is equipped with cook-top sliders, move them outward until they touch the cabinet edges, then use your screwdriver to tighten all four screws.

  • Connect the power wires from your cook-top to the electrical junction box. Match the red with red, black with black, white with white, and green ground wire with the appropriate junction box ground. Twist each wire together and use wire nuts to seal the splice. Wrap each wire nut and about 1 inch of the extending wire with electrical tape. Attach the junction box lid and screw it in place.

  • Turn on the power and test the cook-top.

Tips & Warnings

  • Buy a cook-top that is the same or similar in size to your old cook top. This will save extra installation work.
  • Never try repairs or installation on an electric appliance that is connected to a power source. Disconnect your electric Jenn Air cook-top before performing any work.

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  • Photo Credit Comstock/Comstock/Getty Images
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