Sharp 1000W R-21LCF Microwave w/ Dial Timer 1.0 Cu. Ft. Interior

Side view of Sharp R-21LCF 1000W Commercial Microwave

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5 stars, based on 6 reviews


Professional Quality. Simple Operation.

In 1945, a man named Percy Spencer accidentally discovered a novel way to quickly cook food. While working with a magnetron (a type of vacuum tube), the radio waves it produced melted a chocolate bar in his pocket. This discovery led to innovations in microwave technology, and by the 1970s microwaves were affordably available for home kitchens. The Sharp R-21LCF is a commercial workhorse that brings Spencer’s classic design from the home countertop to your professional kitchen.

The Sharp R-21LCF is a light duty commercial microwave capable of withstanding the demands of small commercial kitchens, convenience stores, break rooms, breakfast bars, or coffee shops. It is designed to consistently perform and excel in demanding jobs that would overwhelm common residential microwaves. From its core components to its rugged door handle, the R-21LCF is built to last.

Although the microwave was invented by an engineer working with electromagnetic waves, operating one doesn’t have to be rocket science. The Sharp R-21LCF microwave oven requires no fancy installation or ventilation hood. Simply plug it into a 120V outlet and turn the dial. This ease of use allows you to steam vegetables, melt butter, or heat a pastry without wasting time with complex controls.

Microwaves have come a long way from vacuum tubes melting chocolate bars in pockets. What started out as a monstrous microwave machine became a compact countertop appliance countless chefs rely on every day to succeed. The Sharp R-21LCF brings commercial quality production at a price lower than many residential microwaves. That’s progress sure to make Mr. Spencer proud.

In a hurry? Check out these key benefits:

  • Stainless Steel Interior and Door
  • Sturdy Grab Handle
  • One Year Parts and Labor Warranty
  • Additional 2 Year Limited Warranty on the Magnetron
  • Lighted 6-Minute Dial Timer


  • Stainless Steel Interior and Door
  • Sturdy Grab Handle
  • One Year Parts and Labor Warranty
  • Additional 2 Year Limited Warranty on the Magnetron
  • Lighted 6-Minute Dial Timer
  • 1.0 Cubic Feet
  • 1,000 Watts
  • Polished ceramic bottom shelf with rubber seal


Dimensions (WxDxH)13 7/8" x8 1/8" x 14 5/8"
Cubic Feet1.0
Weight37 lbs
AC power Required120V, 60Hz, 1.6kW, 14A


As a company, Sharp has dedicated themselves to producing innovative and unique products to benefit their consumers, both residential and commercial. Sharp is very proud of their past accomplishments and looks forward to the future to see what new technologies lie ahead.



5 / 5 stars

Great Microwave

One of the best Microwaves around..and Prima has them at low price !!

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5 / 5 stars

Very pleased.

We ordered a microwave. The whole experience was positive. Happy with the product. Customer service was great. Delivered ahead of time. Good price. I would order again.

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5 / 5 stars


Purchased at the recommendation of a friend & we are truly happy with the performance & simplicity!

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5 / 5 stars

My last Microwave

Read about this Microwave on the Simple Dollar blog. He was discussing buying products for life and recommended this one. He was right! It's great. Not much can go wrong here! It's fast, simple, cooks evenly. No turntable needed.

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5 / 5 stars

Best microwave ever !!!!!!!

The more I use it the more I love it . Nice , simple microwave which does what it's suppose to do. I've been using if for the past month or so and am 100% satisfied. Very hard to find a microwave with such high reviews and this is it. Quality built and not the cheap junk sold at the big box stores. Easy to use, clean and great looking . This is a winner. Thank you Prima Supply for the fast, free shipping.

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5 / 5 stars

Great Product, fast shipping

Fast Shipping. Will be purchasing from Prima Supply again

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