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Norpro Heat Diffuser, One Size, Silver

3.9 3.9 out of 5 stars 1,448 ratings
$9.98
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Purchase options and add-ons

Brand Norpro
Color Silver
Recommended Uses For Product Home
Material Tin
Special Feature Automatic Shut Off

About this item

  • Prevents scorching, burning and boil overs.
  • Can be used on electric or gas stovetops. This flat, metal stovetop tool distributes heat evenly and automatically lowers the flame setting. This comes in handy particularly when cooking heat-sensitive items like rice, oatmeal, milk, gravy and braises. Also ideal when melting caramel and chocolate!
  • The perforations work to distribute the intensity of the heat directly hitting the bottom of the pan, so the chance of burning is virtually eliminated.
  • Protects glass and porcelain from overheating and cracking.
  • Features a wooden handle so you can move it without the risk of burning yourself, and equipped with a leather hang band so it can be hung alongside your stove for easy access.

Customer ratings by feature

Light weight
4.3 4.3
Easy to use
3.9 3.9
Easy to clean
3.5 3.5
Value for money
3.3 3.3
See all reviews

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From the manufacturer

Norpro: Quality & Innovation Since 1973

Norpro is one of the Leading Supplier of Distinctive Kitchenware Located in the Beautiful Pacific Northwest.

In 1973 CEO Gunnar Lie founded Norpro with a vision of designing, manufacturing and supplying the highest caliber kitchenware backed by a commitment to exceed customer expectations.

Norpro is consistently at the forefront of product innovation. Traveling worldwide to study trends enables us to create cutting edge products and introduce the customers to one of the latest technologies and industry innovations. Their products reflect the utmost in quality and are manufactured with superior materials and craftsmanship.

Bakeware

Norpro has a complete line of all the products you need to prepare, bake & serve all your basic & specialty baked goods.

Slice, Dice, Chop & Grate

Choppers, mandolines & slicers for vegetables, herbs, nuts, cheese & more! Norpro has it all.

Cookware

Norpro has the kitchen essentials; items you can use everyday including Microwavable cookware and utensils.

Coffee & Tea

Accessories and serving ware for intimate tea parties, large functions or your own personal use everyday.

Product Description

Measures: 13.5" x 8.25" x .75" / 34cm x 21cm x 2cm
Prevents scorching, burning and boil overs. Can be used on electric or gas stovetops. This flat, metal stovetop tool distributes heat evenly and automatically lowers the flame setting. This comes in handy particularly when cooking heat-sensitive items like rice, oatmeal, milk, gravy and braises. Also ideal when melting caramel and chocolate! The perforations work to distribute the intensity of the heat directly hitting the bottom of the pan, so the chance of burning is virtually eliminated. Protects glass and porcelain from overheating and cracking. Features a wooden handle so you can move it without the risk of burning yourself, and equipped with a leather hang band so it can be hung alongside your stove for easy access. Great for home, camping and RV. Made of tin. Hand wash.

Norpro was founded in 1973 with a vision to design, manufacture, and supply the highest caliber kitchenware. Norpro’s offering of innovative, high quality product for cooking, preparing and serving food are produced with superior materials and craftsmanship.

Product information

Warranty & Support

Product Warranty: For warranty information about this product, please click here

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Norpro Heat Diffuser, One Size, Silver

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Product guides and documents

User Manual (PDF)

Customer reviews

3.9 out of 5 stars
3.9 out of 5
1,448 global ratings

Customers say

Customers like the heating capabilities of the aroma diffuser. For example, they say it helps even out the distribution of heat across the bottom of the pan and keeps sauces hot. That said, some complain about the smell and color. They say it smells and smoke comes out of it, and the handle starts to smoke after a few uses. Customers also disagree on quality, burnt, size, and value.

AI-generated from the text of customer reviews

83 customers mention60 positive23 negative

Customers like the heating of the aroma diffuser. They say it helps even out the distribution of heat across the bottom of the pan, keeping sauces hot without any mess or sticking to the bottom. They also say it separates the direct heat from the pan and spreads the heat over a much larger area, preventing hot spots and burning. Customers say it works as intended and can take high temps. They mention that it makes warming tortillas easy and is very effective in preventing heat spots and burns.

"...to be larger in diameter than the glass kettle, so it directs a good deal of heat up the sides of the kettle and to the handle...." Read more

"...It is designed to stay on the stove. And, it uses an air gap to diffuse the heat, so it can handle higher temperatures and diffuses the heat over..." Read more

"...Heating does take longer of course but it does a good job protecting my tangine and Turkish coffee maker from the open flames...." Read more

"...That's where the diffuser comes in handy, it seperates the direct heat from the pan. I also used it on my old stove which was not a smooth top...." Read more

312 customers mention181 positive131 negative

Customers are mixed about the quality of the aroma diffuser. Some mention that it functions well, is of good quality, and works great for cooking. However, others say that the handle fell apart, snapped off, or got lose.

"...Good news you can use without handle just don't touch. This is a very good product. Wash before using stated in instructions." Read more

"...When I removed the pot the handle had melted and broken away from the base. Very disappointed!" Read more

"...I purchased this to reduce the temperature. It works great." Read more

"...bought this Norpro heat diffuser, as it protects my tajine, helps the cooking to be even, and does the job nicely...." Read more

86 customers mention47 positive39 negative

Customers are mixed about the burnt of the aroma diffuser. Some mention that it prevents burning things on their stove, while others say that the handle started to burn.

"...an outer ring to fit a smaller stove/burner, but it keeps stuff from scorching really well...." Read more

"...with high heat, but even at lower temperatures the wooden handle heats up enough to smoke. This was no problem for us...." Read more

"...Helps to more evenly distribute heat and keeps foods from scorching when just trying to simmer!!" Read more

"...my vintage Pyrex glass percolator (on my electric stove), and it started to burn, smoke, and smell. I didn’t even have the heat past the “7” mark...." Read more

71 customers mention45 positive26 negative

Customers have mixed opinions about the value of the aroma diffuser. Some find it to be the best value for the money, while others say it's very cheap and gets the job done. Some customers also mention that the construction is cheap and the metal turns black. Overall, the opinions are mixed, but the quality is similar.

"...It is not expensive, and protects your cooking equipment, so I suggest that you buy one too!" Read more

"...It is very cheap but it gets the job done...." Read more

"...hand, if this one lasts as long as my old one has, it will be worth every penny...." Read more

"...This seems rather sturdy. Well worth the price." Read more

30 customers mention11 positive19 negative

Customers are mixed about the size of the aroma diffuser. Some mention that it works for small and medium pots, and fits well on smaller burners, while others say that it's too big for their burner, too small for big sauce pots and that it is difficult to keep a flame very small.

"...There was no way with the short handle to adjust for this on my cooktop." Read more

"I did like the large size of the area covered, and it worked just fine for the 2 weeks I got to use it, at most once a day, until the handle fell..." Read more

"...This was a little smaller than I expected, even though it was the size mentioned. This will cover the burner for normal pots...." Read more

"...reviewers commented that the handle either caught fire, smoked or was not fitting well...." Read more

35 customers mention0 positive35 negative

Customers don't like the handle of the aroma diffuser. They mention that it's too thick, plastic, and pointless. Some say that the handle comes off and is getting singed. The handle is also pressed in and not bolted, glued, riveted or anything else.

"...I am rating them lower only because of the wooden handles, which seem impossible not to scorch...." Read more

"...The handle is getting a bit singed, but at this point I do not consider that a problem...." Read more

"...Yes, the wood handle singes near the metal, but it's better than melting plastic or a hot all-metal handle. It doesn't bother me at all...." Read more

"...The handle is jsut pressed in and not bolted, glued, riveted, or anything else. I'll see if glue will do the trick." Read more

32 customers mention0 positive32 negative

Customers are dissatisfied with the color of the aroma diffuser. They say it discolors after its first use, with uneven and splotchy discoloration patterns. Some customers also mention that the shiny finish was gone after the first couple of uses. The product is made of tin or some metal that turns black in the first uses.

"...I washed it before the first use but there has been some discoloration...." Read more

"...the diffuser did discolor after its first use on the stove but that's fine with me. it took away that stark new look...." Read more

"This is very easy to use. My only issue is that it discolored right away and still allowed my tea kettle to slightly burn underneath…" Read more

"...making my coffee, and when I wanted to put the diffuser away, it was all discolored and the coating was flaking off...." Read more

32 customers mention7 positive25 negative

Customers are not satisfied with the smell of the aroma diffuser. They mention that when put on fire, it smells and smoke comes out of it. Some customers also say that the aroma becomes dark due to the smoke that comes out.

"...Pyrex glass percolator (on my electric stove), and it started to burn, smoke, and smell. I didn’t even have the heat past the “7” mark...." Read more

"...I agree -- the first uses there was some strange smell and I now think it was from the handle...." Read more

"...I can't believe it melted so bad. I really was not comfortable with the way it smelled... I'm not sure what kind of chemicals it is releasing in the..." Read more

"...I had no problem whatsoever, and none of this happened: the diffuser did not stink, smoke, nor got too hot to the touch..." Read more

Don’t use on high heat
3 Stars
Don’t use on high heat
The idea of this product is very useful, but the construction is just cheap. It says it is made of tin. I didn’t think this would be a problem, and overall it has good reviews, but the first time I used it for my vintage Pyrex glass percolator (on my electric stove), and it started to burn, smoke, and smell. I didn’t even have the heat past the “7” mark. Well, I finished making my coffee, and when I wanted to put the diffuser away, it was all discolored and the coating was flaking off. There were some parts that looked as if it melted into the burner, too, but they did come off easily. I don’t think I will try to use it again. I think cast iron or stainless steel construction would be study.
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Top reviews from the United States

lenora
5.0 out of 5 stars Saves pots and pans from overheating
Reviewed in the United States on April 20, 2023
Verified Purchase
Does the job it supposed to. Have same one in kitchen over twenty years plus. Handle was burned and finally fell off. Keep the handle out of flame. Good news you can use without handle just don't touch. This is a very good product. Wash before using stated in instructions.
2 people found this helpful
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Lois Payne
5.0 out of 5 stars It works!
Reviewed in the United States on January 16, 2024
Verified Purchase
My gas stove will not simmer properly. I purchased this to reduce the temperature. It works great.
One person found this helpful
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Lynette K Stine
1.0 out of 5 stars Item melted and broke apart on first use.
Reviewed in the United States on January 19, 2024
Verified Purchase
Used this item one time making gumbo. Used it on the lowest setting on my stove to simmer my gumbo for 2 hours. When I removed the pot the handle had melted and broken away from the base. Very disappointed!
One person found this helpful
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GWH
4.0 out of 5 stars so it directs a good deal of heat up the sides of the kettle ...
Reviewed in the United States on December 15, 2014
Verified Purchase
I bought this diffuser to use under a glass tea kettle atop a gas range. A person reviewing the kettle said the handle of the kettle would melt without one of these. Well, that wasn't quite true. This diffuser does exactly what it is supposed to do. It diffuses the heat. It also happens to be larger in diameter than the glass kettle, so it directs a good deal of heat up the sides of the kettle and to the handle. The only time I ever burned my hand on the handle of the kettle was when I used this diffuser with it.
That said, this is actually a great, simple device.
If you are cooking something on very low heat (like a pot of rice that is simmering to absorb water), this diffuser will keep the rice from burning or sticking to the bottom of the pot. Likewise, when cooking something like spaghetti sauce or chili. Unless stirred constantly, those foods can burn and stick to the bottom of the pot. Well, not if you use this device! It spreads the heat around nicely. It is the same thing with a frying pan. Sometimes you want a larger heat source than your range can provide, or a gentler one. This is all you need to accomplish that.
You can use this on an induction, gas, or electric cook top. Hand washing is recommended. It will discolor from the heat of a burner, but that won't affect its usefulness.
So...I bought this based on a review for a totally different reason. It didn't work for that purpose. But I discovered a whole lot of things this diffuser makes cooking easier. I bought it by mistake, and I am really glad I did.
17 people found this helpful
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Jean-Luc
5.0 out of 5 stars Works wonderfully under my tajine (Moroccan clay stew pot)! :)
Reviewed in the United States on March 28, 2015
Verified Purchase
I bought this heat diffuser because it was suggested to use one with the tajine (Moroccan clay stew pot) I ordered the same day, on the electric stove (spiral coil).
It works really well for that purpose, and my tajine did not crack.

A few reviewers complained about the handle getting too hot to touch / smoking / making a bad smell.
In my experience, I had no problem whatsoever, and none of this happened: the diffuser did not stink, smoke, nor got too hot to the touch (the wooden part, that is, as the metal part does get hot).

Of course, I used the diffuser on medium low temperature. It is not intended to be used on high temperature (at least with a tajine), so I suspect that the users who had the problems above did use the diffuser with too high a heat setting.

I am delighted I bought this Norpro heat diffuser, as it protects my tajine, helps the cooking to be even, and does the job nicely.
So I would buy another one if I get another tajine, or need a replacement down the line.

It is not expensive, and protects your cooking equipment, so I suggest that you buy one too!
7 people found this helpful
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Megan
3.0 out of 5 stars Very short handle, and not very sturdy
Reviewed in the United States on October 18, 2020
Verified Purchase
I bought this as an inexpensive experiment to go with my new tangine cooker I got for my birthday. I have a gas range, and I was a little alarmed at how short the metal protective "collar" on the handle was; the wood was actually closer to the flames than I was comfortable with. After two or three uses, that was no longer a problem because the handle actually snapped off.

I threw the handle away and intend to just use the metal part by itself from now on. I'm more comfortable with that anyway; wood doesn't belong on a gas range ;) It is very cheap but it gets the job done. I washed it before the first use but there has been some discoloration. Heating does take longer of course but it does a good job protecting my tangine and Turkish coffee maker from the open flames. The burners on my gas range are really wide apart and this is also good for making a more stable surface for milk warmers and very small pots.

Short version: it's usable but you're getting what you pay for, which isn't much.
5 people found this helpful
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A. Ashbaugh
5.0 out of 5 stars It’s a tagine diffuser and it does its job
Reviewed in the United States on January 14, 2024
Verified Purchase
Needed a diffuser for the stovetop for my tagine. So far so good. Only quibble: the leather string on the handle for hanging it immediately broke. Replaced it with a little bit of ball chain.
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J. S. Keck
5.0 out of 5 stars Works great, wish it could be made smaller
Reviewed in the United States on May 27, 2023
Verified Purchase
This works great on the 2 burner propane stove in our RV. I'd love it if you could somehow take off an outer ring to fit a smaller stove/burner, but it keeps stuff from scorching really well. Our stove burns hot even on the lowest setting, so this is really helpful.
One person found this helpful
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