20 Best Heat Shield For Gas Grill [2024]

Are you looking for the best heat shield for gas grill? Based on expert reviews, we ranked them. We've listed our top-ranked picks, including the top-selling heat shield for gas grill.

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1 Hisencn Adjustable Grill Heat Plates - 304 Stainless Steel Grill Heat Shields, Gas Grill Parts... Hisencn Adjustable Grill Heat Plates - 304 Stainless Steel Grill Heat Shields, Gas Grill Parts...
2 Unicook Heavy Duty Adjustable Porcelain Steel Grill Heat Plate Shield Replacement, Heat Tent,... Unicook Heavy Duty Adjustable Porcelain Steel Grill Heat Plate Shield Replacement, Heat Tent,...
3 JEASOM 11.75'to 21'L Universal Adjustable Porcelain Steel Heat Plate, Gas Grill Replacement Parts,... JEASOM 11.75"to 21"L Universal Adjustable Porcelain Steel Heat Plate, Gas Grill Replacement...
4 Hongso 16 x 3 13/16' Porcelain Steel Heat Plate Shield, Grill Burners Cover Replacement for... Hongso 16 x 3 13/16" Porcelain Steel Heat Plate Shield, Grill Burners Cover Replacement for...
5 Unicook Porcelain Grill Heat Plate 14.56' L, Gas Grill Replacement Parts, 4 Pack Grill Heat Shield... Unicook Porcelain Grill Heat Plate 14.56" L, Gas Grill Replacement Parts, 4 Pack Grill Heat...
6 GasSaf Universal Adjustable Porcelain Steel Heat Plate Shield, Heat Tent, Burner Covers Flame Tamer... GasSaf Universal Adjustable Porcelain Steel Heat Plate Shield, Heat Tent, Burner Covers Flame...
7 Universal Grill Heat Plates Heat Tents Heat Shields for Gas Grill, Adjustable Barbecue BBQ Grill... Universal Grill Heat Plates Heat Tents Heat Shields for Gas Grill, Adjustable Barbecue BBQ Grill...
8 Utheer Universal Adjustable Flavor Bars, Heat Plates Shield, Flame Tamer, Heat Tent for Brinkmann... Utheer Universal Adjustable Flavor Bars, Heat Plates Shield, Flame Tamer, Heat Tent for Brinkmann...
9 Grill Parts for Char Griller Models 3001, 3001, 3008, 3030, 4000, 5050, 5252, 5650,5072 Grill Heat... Grill Parts for Char Griller Models 3001, 3001, 3008, 3030, 4000, 5050, 5252, 5650,5072 Grill...
10 Unicook Porcelain Large Grill Heat Plate 4 Pack, 6'' Extra Width, Extends from 15.75' to 18.75'... Unicook Porcelain Large Grill Heat Plate 4 Pack, 6'' Extra Width, Extends from 15.75" to 18.75"...
11 Replace parts Porcelain Steel Heat Plates for Kenmore 146.1613211, 146.16132110, 146.16133110,... Replace parts Porcelain Steel Heat Plates for Kenmore 146.1613211, 146.16132110, 146.16133110,...
12 DELSbbq Universal Adjustable Grill Heat Plate Replacement for Gas Grill, Porcelain Steel Heat Plate... DELSbbq Universal Adjustable Grill Heat Plate Replacement for Gas Grill, Porcelain Steel Heat...
13 Plowo Stainless Steel Heat Plate Shield Gas Replacement for Bull BBQ Grills, Fit for Angus, Brahma,... Plowo Stainless Steel Heat Plate Shield Gas Replacement for Bull BBQ Grills, Fit for Angus,...
14 Outspark Universal Replacement Heavy Duty Adjustable Porcelain Steel Heat Plate Shield,Heat... Outspark Universal Replacement Heavy Duty Adjustable Porcelain Steel Heat Plate Shield,Heat...
15 Unicook 15 Inch Grill Heat Plates 5 Pack, Grill Replacement Parts Porcelain Heat Shields, Compatible... Unicook 15 Inch Grill Heat Plates 5 Pack, Grill Replacement Parts Porcelain Heat Shields,...
16 BBQ funland Universal Adjustable Stainless Steel Heat Plate Shield, Heat Tent, Flavorizer Bar,... BBQ funland Universal Adjustable Stainless Steel Heat Plate Shield, Heat Tent, Flavorizer Bar,...
17 Kalomo 14 3/16” Grill Heat Plates Shield Heat Tent Burner Cover BBQ Gas Grill Replacement Parts... Kalomo 14 3/16” Grill Heat Plates Shield Heat Tent Burner Cover BBQ Gas Grill Replacement Parts...
18 Char-Broil Porcelain Heat Tent Char-Broil Porcelain Heat Tent
19 BBQration 5-Pack Extends from 11.75' up to 21' L Universal Replacement Heavy Duty Adjustable... BBQration 5-Pack Extends from 11.75" up to 21" L Universal Replacement Heavy Duty Adjustable...
20 SHINESTAR Grill Replacement Parts for Char-Griller 5050, 5650, 3001, King-Griller 3008, 5252,... SHINESTAR Grill Replacement Parts for Char-Griller 5050, 5650, 3001, King-Griller 3008, 5252,...
Bestseller No. 1
Hisencn Adjustable Grill Heat Plates - 304 Stainless Steel Grill Heat Shields, Gas Grill Parts...
  • Universal Heat Tents - Gas grill parts Fit for Weber, Charbroil 463370519, 463230515, 463230514, 463230513, 463230512, 463230511, for Kenmore...
  • 5 Pack Grill Heat Plates - Dimensions: Extends from 11.75" up to 21" long, 3 3/4" wide, Material: Stainless Steel; Hardware included. If installed...
  • 304 Stainless Steel - Non Magnetic and heavy duty grill flame diffuser which long lasting than enameled heat plate.
  • Easy to install and clean - Grill heat tents for side-to-side and front-to-back burners. M5 bolts and wing nuts included,
  • Evenly Spread Heat - Puts out consistent, evenly spread heat. Allows grill temperature to be properly maintained. Patented steel bars create...
SaleBestseller No. 2
Unicook Heavy Duty Adjustable Porcelain Steel Grill Heat Plate Shield Replacement, Heat Tent,...
  • Extends from 11.75” up to 21” length, 3.75” width, 1” height, fits most gas grills. If installed reversely, the length will be extended from...
  • Prevents flare-ups and protects burners to prolong life, prevents direct exposure to flame and distributes heat evenly
  • Replaces heat tents for side-to-side and front-to-back burners. Upgraded Stainless Steel M5 bolts and wing nuts are included, easy to install
  • Thickness of porcelain steel is 1.2mm, heavy duty porcelain-coated steel construction; Thicker is better; longer lasting
  • Stainless Steel version is also available, click the "UNICOOK" button (top middle of the page) to get more details about the S/S version
Bestseller No. 3
JEASOM 11.75"to 21"L Universal Adjustable Porcelain Steel Heat Plate, Gas Grill Replacement Parts,...
  • Extends from 11.75” up to 21” length, 3.75” width, 1” height, fits most gas grills. If installed reversely, the length will be extended from...
  • Replaces heat tents for side-to-side and front-to-back burners. Upgraded Stainless Steel M5 bolts and wing nuts are included, easy to install
  • Prevents flare-ups and protects burners to prolong life, prevents direct exposure to flame and distributes heat evenly
  • Thickness of porcelain steel is 1.2mm, heavy duty porcelain-coated steel construction; Thicker is better; longer lasting
  • Applicability - Able to dissipate heat evenly, giving you a better taste when grilling
Bestseller No. 4
Hongso 16 x 3 13/16" Porcelain Steel Heat Plate Shield, Grill Burners Cover Replacement for...
  • ➤16 X 3 13/16" Porcelain Heat Plate (4-pack)
  • ➤Fits Charboil Models: 415.16167210, 463212511, 463215512, 463215513, 463215712, 463215713, 463215714, 463224611, 463224912, 463225312, 463225313,...
  • ➤Fits Charboil Models: 463262210, 463262211, 463262812, 463263110, 463264407, 463267113, 463268007, 463268008, 463268107, 463268706, 463270512,...
  • ➤Fits Kenmore Models: 16657, 415.16167210, 415.16657900, 415.16657900G, 415.16661800 , 415.90114110, 463268107. ➤Fits Thermos 461262407. ➤Fits...
  • ➤Make sure you measure the size of your original parts and compare with ours BEFORE you order.
SaleBestseller No. 5
Unicook Porcelain Grill Heat Plate 14.56" L, Gas Grill Replacement Parts, 4 Pack Grill Heat Shield...
  • 4 Pack Grill Heat Plates - each measures 14.56"L x 3.25"W x 1.87"H. Please double check the size of your original heat plates and compare with ours...
  • Heavy Duty Thick Grill Burner Cover - 18 gauge(1.2mm) porcelain coated steel construction, much thicker than your original and most aftermarket ones....
  • Grill Flame Tamers - protect burners and prevent flare-ups, prevent direct exposure to flame and distribute heat from burner tubes to cooking grates...
  • Easy Installation - Unicook grill heat shields are easy to install, no tool needed.
  • We have Grill Heat Plates in different shapes and sizes for your selection. Please click the "Visit the Unicook Store" button to get more details.
SaleBestseller No. 6
GasSaf Universal Adjustable Porcelain Steel Heat Plate Shield, Heat Tent, Burner Covers Flame Tamer...
  • Dimensions: Extends from 11.75" up to 21" long, 3.75" wide, If installed reversely, the length will be extended from 11.75" to 18.37". Package...
  • Fits most gas grills, Replacement for char broil chargriller Brinkmann Thermos Master expert Nexgrill Kenmore and others Grill
  • Material: heavy duty porcelain steel, corrosion resistant and durable material, dissipate heat evenly. Including porcelain steel M5 bolts and wing...
  • Not only can adjust the length, replaces heat tents for side-to-side and front-to-back burners, easy to install
  • Prevents flare-ups and protects burners to prolong life, prevents direct exposure to flame, make your grill works again, save money. Please measure...
Bestseller No. 7
Universal Grill Heat Plates Heat Tents Heat Shields for Gas Grill, Adjustable Barbecue BBQ Grill...
  • 【Fit Various Grills】 The length of this grill heat shield is ADJUSTABLE from 11.75" up to 21", fitting different size of grills like Char-Broil,...
  • 【Thicker Material】 Made of heavy duty stainless steel, strong corrosion resistance & heat resistance. These grill burner covers replacement are...
  • 【Easy to Clean】 This bbq heat shield use enamel production process. Compared to others’ painting production process it's easier to clean the...
  • 【Easy to Install & Two Assembly Options】 This grill heat tent for grill is equipped with 8 screws, two plates can be easily fixed with only...
  • 【Perfect Grill Replacement Parts】 Over time, your bbq burner covers will wear out and rust. Replace these heat plate covers will make your grill...
Bestseller No. 8
Utheer Universal Adjustable Flavor Bars, Heat Plates Shield, Flame Tamer, Heat Tent for Brinkmann...
  • ✿ BEST GIFT FOR FAMILY ✿ MATERIAL ► Heavy duty porcelain steel, more thicker and heavier, provide more evenly flame than other grill replacement...
  • SUPERIOR QUALITY ► Made of durable material ── Porcelain Steel to ensure long-lasting use, which can distribute heat evenly across entire...
  • HEALTH AND SAFETY ► Our flavorizer bars made of porcelain steel, with strong corrosion resistance and heat resistance. At the same time, they are...
  • EASY TO CLEAN ► Wipe off excess oil and food residue with a paper towel or cloth. Then preheat the grill about 15 minutes, using a grill brush with...
  • NOTE ► Fits for most gas grills models like Char-Broil, Jenn Air, Nexgrill, Perfect Flame, Member's Mark, Uniflame, Smoke Hollow. Such as Charbroil...
Bestseller No. 9
Grill Parts for Char Griller Models 3001, 3001, 3008, 3030, 4000, 5050, 5252, 5650,5072 Grill Heat...
  • 【Parts Dimensions】18 15/16" x 3 7/8"; Burner Material:Porcelain Steel.
  • 【Fits for 】Chargriller 3001, Chargriller 3008, Chargriller 3030, Chargriller 4000, Chargriller 4208, Chargriller 5050, Chargriller 5072,...
  • 【Fits Model】King Griller: 3008, 5252.
  • 【Packlage】3 x Heat Plate Flavorizer Bar Replacement Parts.Easy intall and Puts out consistent, evenly-spread heat for prolonged life expectancy.
  • 【Great Servies】We are confident of our product's quality. Our warranty covers any defect caused during product production and delivery. In case...
SaleBestseller No. 10
Unicook Porcelain Large Grill Heat Plate 4 Pack, 6'' Extra Width, Extends from 15.75" to 18.75"...
  • This 6'' extra wide heat plate that can be adjusted from 15.75" up to 18.75" length. 24" wide firebox requires 4pcs heat plates, 30" wide firebox...
  • Protect burners and prevent flare-ups, prevent direct exposure to flame and distribute heat from burner tubes to cooking grates evenly.
  • Heavy duty porcelain-coated steel construction, thickness of porcelain steel is 1.2mm, more thicker than others.
  • Hardware included, easy to install.
  • We have Heat Plates in different shapes and sizes for your selection. Please click the "UNICOOK" button (top middle of the page) to get more details....
Bestseller No. 11
Replace parts Porcelain Steel Heat Plates for Kenmore 146.1613211, 146.16132110, 146.16133110,...
  • ★Fits Kenmore 2 Burner Grill :146.10038510 ★Fits Kenmore 3 Burner Grill :146.23678310 146.23673310 146.16132110 146.16133110 146.23679310...
  • ★Fit Kenmore 4 Burner Grill:146.34611410 146.46372610 146.16142210 146.34461410 146.10016510 146.16197210 146.16197211 146.10017510 146.46366610...
  • ★Fits Kenmore 5 Burner Grill :146.23680310 146.30213510 146.47468610 640-05057375-7 ★Fits Kenmore 6 Burner Grill: 146.47223610 146.23681310...
  • ★Fits Kenmore Grill 146.16153110 146.23766310 146.23686310 ★Fits Permasteel PG-40402SOL, PG-40404SOLA, PG-40408SOL, PG-40503SOL ★Fits BBQ Pro...
  • Dimensions : 14-15/16" x 3-13/16". Material : Porcelain Steel; 4 PACK
Bestseller No. 12
DELSbbq Universal Adjustable Grill Heat Plate Replacement for Gas Grill, Porcelain Steel Heat Plate...
  • 【Prosuct Size】Extends from 11.75” up to 21” length, 3.75” width. Double check the dimensions on your original heat plates and compare with...
  • 【High Quality】Our Heat Plates are made of heavy duty Porcelain Steel, durable and sturdy, weather and rust resistant.
  • 【Stable & Reliable】Distributes heat evenly. The Heat Plate prevents grease from dripping into the burner tube and protects the flames in the...
  • 【Easy to Assemble】Package included porcelain steel bolts and wing nuts, you only need a few minutes to assemble it.
  • 【After Sales】If there are any problems, please feel free to contact us by Customer Questions & Answers or E-mail. DELSbbq service team will...
SaleBestseller No. 13
Plowo Stainless Steel Heat Plate Shield Gas Replacement for Bull BBQ Grills, Fit for Angus, Brahma,...
  • Superior Heat Tent - DIMENSIONS: 17 5/8" x 5" (17.625 x 5 Inch ) . ✅ Plowo heat plates are made of heavy duty stainless steel, well-engineered and...
  • Grill Replacement Parts Set - Fits for Bull Bbq Grills, Angus, Brahma, 7-Burner, 4-Burner, 5-Burner gas grill models; ★Replaces OEM: 16631 and...
  • Multiple Functions - Gas grill BBQ parts will keep residues from getting into or blocking the burner tube holes; Our burner cover can heat your food...
  • Install and Clean - Flame tamers are easy to install. According to the original grill parts manufacturing. You can finish the installation in just a...
  • 🥰 Please Note - The Brand and Models we listed are reference only.# We Suggest That You Measure The Size Of Your Original Parts and Compare with...
Bestseller No. 14
Outspark Universal Replacement Heavy Duty Adjustable Porcelain Steel Heat Plate Shield,Heat...
  • Fits most gas grill-Extends from 11.75 inch up to 21 inch long, 3.75 inch wide.
  • Easy to install- easy to install,the Outspark Grill Replacement Parts will be assembled in minutes. Including porcelain steel bolts and wing nuts
  • Feature-Prevents flare-ups, helps to distribute the heat evenly
  • Material- heavy duty porcelain steel, prolong life
  • Note-Please measure the size of your original burner cover and compare with ours whether you are ordering correctly
Bestseller No. 15
Unicook 15 Inch Grill Heat Plates 5 Pack, Grill Replacement Parts Porcelain Heat Shields, Compatible...
  • Heavy Duty Steel Grill Heat Plates: Comes with 5 packs grill heat plate, each pack measures 15"L x 3 13/16"W. Construction with heavy duty...
  • Multifunctional Grill Heat Shields: Prevents flare-ups and food directly exposure to flame, make your food more evenly heated, also increase flavor of...
  • Grill Replacement Parts Comaptible for DG Grill Model: DGB494SPB, DGF493BNP, DGF510SBP, DGF510SSP, DGF510SSP-D, DGB495SPB, DGB495SDP-D, DGB515SDP,...
  • 【Grill Burner Covers for Backyard】Grill Models: BY12-084-029-98, BY13-101-001-12, BY13-101-001-13, BY14-101-001-02, BY14-101-001-04,...
  • Grill Burner Covers Comaptible for Backyard Grill Models: BY12-084-029-98, BY13-101-001-12, BY13-101-001-13, BY14-101-001-02, BY14-101-001-04,...
Bestseller No. 16
BBQ funland Universal Adjustable Stainless Steel Heat Plate Shield, Heat Tent, Flavorizer Bar,...
  • Adjustable Stainless Steel heat plate, Listing is for a set of 5 heat plates
  • Extends from 11.75 inch up to 21 inch long, 3.75 inch wide, Hardware included
  • Fit MOST gas grill, like charbroil, brinkman, nexgrill, weber grill replacement heat plates
  • Adjustable grease guards protect burners for longer life
  • Works with front to back burner alignment or side to side alignment
Bestseller No. 17
Kalomo 14 3/16” Grill Heat Plates Shield Heat Tent Burner Cover BBQ Gas Grill Replacement Parts...
  • [Material and Dimension] Our 2021 grill heat plate shields product are made of heavy duty stainless steel, thicker and heavier than other grill heat...
  • [Durable grill replacement heat plates] This gas grill heat tent replacement is durable with strong oxidation resistance, corrosion resistance and...
  • [To Protect Your Burner] Grill tent shield will prevent residues from getting into or blocking the burner tube holes and prolong the life of your...
  • [Premium Burner Cover] For the grill burner covers replacement, they prevent food directly exposure to flame, help to catch drippings and oil, and...
  • [Reference BRAND and MODEL] The bbq grill parts fit for Uniflame Models: Uniflame GBC1030W, Uniflame GBC1030WRS, Uniflame GBC1030WRS-C, Uniflame...
SaleBestseller No. 18
Char-Broil Porcelain Heat Tent
  • Replaces Heat Tents For Side To Side And Front To Back Burners
  • Adjustable To Fit Lengths From 10 In To 18 In With 4 In Width
  • Protect Burners To Prolong Life And Diffuse Heat
  • No Assembly Required
Bestseller No. 19
BBQration 5-Pack Extends from 11.75" up to 21" L Universal Replacement Heavy Duty Adjustable...
  • Any drippings not vaporized by the Flavorizer bars follow the slope of their unique angle and are funneled away from the burners, down into the grease...
  • Broadly Compatible: Fits Most Gas Grill Models, Such as Charbroil 463230515, 463230514, 463230513, 463230512,463230510, 463226514, Brinkmann...
  • Package Contents: 5-Pack Stainless Steel Universal Adjustable Heat Plate. Dimension: Extends from 11.75" up to 21"L long, 3 5/8" wide. If installed...
  • Tips: BBQration-Focusing on serving for barbecue lovers, click the "BBQration" button (top middle of the page) to get more details of the product....
SaleBestseller No. 20
SHINESTAR Grill Replacement Parts for Char-Griller 5050, 5650, 3001, King-Griller 3008, 5252,...
  • Replacement for Chargriller 3001, 3008, 3030, 4000, 4208, 5050, 5072, 5252, 5650
  • Replacement for King Griller 3008, 5252
  • Dimensions: 18 15/16 inch long, 3 7/8 inch wide. Package: a set of 3 plates
  • These heat tent designed with two square holes at each end in order to hold the plates securely to the burners.
  • By swapping out old or malfunctioning heat shields with SHINESTAR new one, your grill will look and perform like new again and you will get back to...

Having trouble finding a great heat shield for gas grill?

This problem is well understood by us because we have gone through the entire heat shield for gas grill research process ourselves, which is why we have put together a comprehensive list of the best heat shield for gas grills available in the market today.

After hours of searching and using all the models on the market, we have found the best heat shield for gas grill for 2023. See our ranking below!

How Do You Buy The Best Heat Shield For Gas Grill?

Do you get stressed out thinking about shopping for a great heat shield for gas grill? Do doubts keep creeping into your mind?

We understand, because we’ve already gone through the whole process of researching heat shield for gas grill, which is why we have assembled a comprehensive list of the greatest heat shield for gas grill available in the current market. We’ve also come up with a list of questions that you probably have yourself.

John Harvards has done the best we can with our thoughts and recommendations, but it’s still crucial that you do thorough research on your own for heat shield for gas grill that you consider buying. Your questions might include the following:

  • Is it worth buying an heat shield for gas grill?
  • What benefits are there with buying an heat shield for gas grill?
  • What factors deserve consideration when shopping for an effective heat shield for gas grill?
  • Why is it crucial to invest in any heat shield for gas grill, much less the best one?
  • Which heat shield for gas grill are good in the current market?
  • Where can you find information like this about heat shield for gas grill?

We’re convinced that you likely have far more questions than just these regarding heat shield for gas grill, and the only real way to satisfy your need for knowledge is to get information from as many reputable online sources as you possibly can.

Potential sources can include buying guides for heat shield for gas grill, rating websites, word-of-mouth testimonials, online forums, and product reviews. Thorough and mindful research is crucial to making sure you get your hands on the best-possible heat shield for gas grill. Make sure that you are only using trustworthy and credible websites and sources.

John Harvards provides an heat shield for gas grill buying guide, and the information is totally objective and authentic. We employ both AI and big data in proofreading the collected information.

How did we create this buying guide? We did it using a custom-created selection of algorithms that lets us manifest a top-10 list of the best available heat shield for gas grill currently available on the market.

This technology we use to assemble our list depends on a variety of factors, including but not limited to the following:

  1. Brand Value: Every brand of heat shield for gas grill has a value all its own. Most brands offer some sort of unique selling proposition that’s supposed to bring something different to the table than their competitors.
  2. Features: What bells and whistles matter for an heat shield for gas grill?
  3. Specifications: How powerful they are can be measured.
  4. Product Value: This simply is how much bang for the buck you get from your heat shield for gas grill.
  5. Customer Ratings: Number ratings grade heat shield for gas grill objectively.
  6. Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their heat shield for gas grill.
  7. Product Quality: You don’t always get what you pay for with an heat shield for gas grill, sometimes less, and sometimes more.
  8. Product Reliability: How sturdy and durable an heat shield for gas grill is should be an indication of how long it will work out for you.

John Harvards always remembers that maintaining heat shield for gas grill information to stay current is a top priority, which is why we are constantly updating our websites. Learn more about us using online sources.

If you think that anything we present here regarding heat shield for gas grill is irrelevant, incorrect, misleading, or erroneous, then please let us know promptly!

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FAQ:

Q: What is best gas grill to buy?

A: Purchase a Floor Model. Shop in person and ask a salesperson if you can purchase an open-box or floor model appliance at a discount. Comparison Shop. When you’re in the market for a new appliance,make sure to shop around before you settle on one. … Check Credit Card Benefits. …

Q: Is my gas grill safe?

A: Check that all connections are tight before turning on the gas. Detect leaks by dabbing the connections with a solution of soapy water and turning on the gas momentarily. … Check the tubes to the burners for blockages resulting from insect nests or from grease. … Clean the grease trap every time you grill.

Q: Is gas grill safe?

A: It is not only safe but also recommended to use the grill on the outside because the smoke can cause suffocation if used indoors. Are gas grills safer than charcoal? In terms of health and environment, gas grills are a better option, but charcoal is comparatively safe as it can’t be exploded like gas cylinders.

Q: What is a gas grill regulator?

A: The regulator on a gas grill the piece that is screwed onto the propane tank to regulate the flow of gas. It contains a safety mechanism called a bypass. This is a small piece of plastic that is inside of the regulator and automatically shuts off the gas supply if there is no back pressure in the hose. This often happens when there is a leak.