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Live Customer Support

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Authorized Dealer

Free Shipping on All Orders

Live Customer Support

Price Beat Guarantee

Authorized Dealer

Ultimate Crossfire Bundle: Warming Trends Crossfire 2.0 Universal Linear Brass Burner Bundle

SKU: UCB-UL90
$381.00 $502.92
You Save: $121.92 25%

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Product Overview

“Twice the flame, half the gas. No rust or corrosion, made from 100% brass, and backed with a Full Lifetime Warranty!”

Complete your fire pit kit system with this Ultimate Crossfire Bundle: Warming Trends Crossfire 2.0 Universal Linear Brass Burner Bundle. A patented and revolutionary burner that will bring the satisfaction of witnessing taller, brighter, fuller, and more natural flames dancing above your firepit with lesser fuel consumption. Enjoy its unique regulation system while using either propane or natural gas. Available in a range of sizes and BTU ratings, the Crossfire™ burner offers a corrosion-resistant product backed by a full lifetime warranty!

Refer to our
Burner and Plate Size Guide if you are unsure what burner and plate will fit your firepit.

Ultimate Bundle Item Options

1. BURNER
The Linear Crossfire 2.0 Burner offers a great variety of standard sizes, from 90K BTU 17.75-inch to 270K BTU 53.75-inch

2. PLATE OR PAN
Plates and pans come in square and circular shapes, crafted from high-quality tempered aluminum construction. They have meticulously cut weep holes to allow for proper drainage. These items are available in either 1/8" or 3/16” thickness and include a central opening for gas inlet. The size plate or pan you choose will be determined by your opening.

3. FLEX LINE & KEY VALVE KIT
There are two Flex Line & Key Valve Kit options. The one you choose is dependent on the BTUs of the burner you chose.

FK1 = (For Burners Below 249K BTU)
FK2 = (For Burners Above 249K BTU)

4. IGNITION TYPE

There are 4 main types of ignition systems.

1. Match Light Ignition - The simplest and most straightforward fire pit ignition. Simply open the gas valve and light the burner with a lighter or long match. By default, your fire pit will come as a match-light fire pit.

2. Push Button Spark Ignition – Similar to firing up a grill. Simply open the gas valve, and push the button ignitor. This ignition is a great option if you want to avoid using a lighter/match.

3. Push Button Spark Ignition with Flame Sense - This ignition is the same as the Standard Push Button Spark Ignition, however, it has one added safety benefit, which is a “Flame Sensing Sensor”. This is an Internal Safety Shutoff in the event a burner's flame is unexpectedly extinguished. The best part is that this system does not require external power.

4. Electronic Ignition – The Rolls-Royce of fire pit ignition systems. This system allows you to turn your fire pit on/off with a click of a button. It also includes a flame-sensing feature for extra protection. Please note that depending on the BTU rating of your burner, you may need to run external power for this ignition.

5. VENTING
On paper, you "need" two 18 square-inch vents on opposite ends. Not everyone does 18 square inches, however, it is highly recommended to have some sort of venting to allow cross ventilation.

6. INSTALLATION COLLARS
The plate will sit about 4-5 inches below the very top of the fire pit and will need something to support it. Some folks stack bricks in the corners to hold the plate or cinder blocks. However, there is an item specifically for this called support collars. All in all, they act as a shelf for the plate

7. COVER
It is always recommended to cover your fire pit. At the end of the day, the fire pit is outdoors, and we don't want any elements getting into the burner. Even if you decide to use a tarp! If you aren't using the fire pit for a long period, cover it.

Warming Trends does offer nice aluminum covers. As far as the size we would need, very simply you want a 1-Inch lip around the fire pit. So for example, if your opening is 32", you would want a 34" cover.

8. FIRE MEDIA

Fire media is the material that surrounds your burner and creates the visual look of your fire pit. The two most popular options are:

Lava Rock – natural and rustic look
Fire Glass – modern and reflective appearance

The choice mostly comes down to personal preference and the style you are going for.

We also offer many other fire media options, including log sets, lite stone balls, ornaments, and additional fire glass styles if you want to customize the look of your fire pit.

Note: Use our convenient Fire Glass Calculator or Lava Rock Calculator to determine the amount of fire glass or lava rock required for your fire feature.

Features

  • Made of 100% Brass - Guaranteed corrosion-resistant product to ensure low-cost maintenance and lifetime quality. No rust!
  • Crossfire Burner Design - Innovative burner design with patented technology creating taller, brighter, fuller, and more natural flames.
  • Fuel Types - Accommodates natural gas and propane
  • Fuel Efficiency - Propane or natural gas, we offer a fuel-efficient burner that only consumes half the fuel of conventional burners
  • Full Lifetime Warranty - The ‘No rust’ feature is backed by Warming Trends Full Lifetime Warranty
  • Made In The USA – 100% manufactured in the U.S, a true “Made in the USA” product
  • WATERSTOP® Moisture Barrier – Designed to prevent water and debris from entering gas lines, helping maintain safe and consistent performance.
  • Available in various BTU Ratings and Dimensions. See the specification table below
  • Available in several styles: Original, Tree-style, H-style, and Linear.
Specifications
Manufacturer Warming Trends
SKU Number UL
Material 100% Brass
Style Linear
Fuel Type Universal (Natural Gas/Propane)
Twice The Flame Yes
Fuel-Efficient Yes
Lifetime Warranty Yes
Made In the USA? Yes

 

Linear Crossfire 2.0 Burner Specifications
SKU Number BTU Rating Burner Size Inlet Size Recommended Opening Size With WATERSTOP
UL90 90,000 17.75" 1/2" 20" x 6" Yes
UL110 110,000 21.75" 1/2" 26" x 6" Yes
UL130 130,000 25.75" 1/2" 32" x 8" Yes
UL150 150,000 29.75" 1/2" 38" x 8" Yes
UL170 170,000 33.75" 1/2" 40" x 8" Yes
UL190 190,000 37.75" 1/2" 44" x 8" Yes
UL210 210,000 41.75" 1/2" 50" x 10" Yes
UL250 250,000 49.75" 3/4" 56" x 10" Yes
UL270 270,000 53.75" 3/4" 62" x 12" Yes


Documents

*** FREE SHIPPING ON YOUR ENTIRE ORDER

*** 30 DAY MONEY BACK GUARANTEE

*** CANCEL ANYTIME BEFORE YOUR ORDER HAS SHIPPED, COMPLETELY FREE OF CHARGE

Shipping

Your order is processed and submitted to our supplier within 24 hours. Tracking is emailed within 24 hours of shipment. Lead times are posted on each product page below the Add to Cart button.

Returns

30-day return policy from the date of delivery. Original outbound shipping and return shipping costs are deducted from the refund. Return shipments may be subject to customs processing fees at the customer's expense.

Cancellations

Contact us immediately to cancel. Orders that have shipped cannot be cancelled — standard return procedure applies. Custom orders cannot be cancelled once production has started.

📞 833-528-5591 | info@royalfirepits.com

View Full Shipping Policy

View Full Return & Refund/Cancellation Policy

Fast & Free Shipping

Every order ships free anywhere in the United States — no minimums, no fine print. The price you see on our product page is your all-in price. All orders are processed within 24 hours to ensure fast delivery. View our shipping policy →

No Sales Tax

You will not be charged sales tax on any of your purchases. We commit to passing these savings on to you for as long as the legislation lasts.

Lowest Price Guarantee

We constantly monitor competitor pricing to ensure we offer the lowest prices anywhere on the web. Find a lower price on an identical item and we'll beat it — no questions asked. Learn how it works →

Real People, Real Expertise

We don't just sell hearth products — we live them. Our team of fire experts are available by call, text, chat, or email to help you find exactly what you need. You'll speak with someone who knows the products inside and out, not a generic call centre.

Authorized Dealer — Every Brand

Every brand we carry is an authorized partnership. That means every purchase comes with full manufacturer warranty and direct brand support. No grey market sellers. No voided warranties. Just genuine products you can trust.

Your Safety & Security Are Paramount

We know privacy and security are your primary concerns when shopping online. We exclusively use SSL encryption during the checkout process to ensure your personal and financial information remains protected. We accept all major credit cards including Visa, Mastercard, American Express, and Discover.

30-Day Easy Returns

Not happy with your purchase? Return it within 30 days. We make the process simple because we'd rather earn your trust than hold you to a sale. View our return policy →

Questions?

Our team is available Monday–Saturday, 9am–8pm EST. Call or text us at 833-528-5591, or email us at info@royalfirepits.com.

All purchases with Royal Fire Pits are covered by the Manufacturer’s Limited Warranty. View full Manufacturer Warranty below.

 

CLICK HERE FOR MANUFACTURER'S WARRANTY

 

If you have any technical issues with your purchase, within the warranty period. Please contact us at info@royalfirepits.com or 833-528-5591

Description

Product Overview

“Twice the flame, half the gas. No rust or corrosion, made from 100% brass, and backed with a Full Lifetime Warranty!”

Complete your fire pit kit system with this Ultimate Crossfire Bundle: Warming Trends Crossfire 2.0 Universal Linear Brass Burner Bundle. A patented and revolutionary burner that will bring the satisfaction of witnessing taller, brighter, fuller, and more natural flames dancing above your firepit with lesser fuel consumption. Enjoy its unique regulation system while using either propane or natural gas. Available in a range of sizes and BTU ratings, the Crossfire™ burner offers a corrosion-resistant product backed by a full lifetime warranty!

Refer to our
Burner and Plate Size Guide if you are unsure what burner and plate will fit your firepit.

Ultimate Bundle Item Options

1. BURNER
The Linear Crossfire 2.0 Burner offers a great variety of standard sizes, from 90K BTU 17.75-inch to 270K BTU 53.75-inch

2. PLATE OR PAN
Plates and pans come in square and circular shapes, crafted from high-quality tempered aluminum construction. They have meticulously cut weep holes to allow for proper drainage. These items are available in either 1/8" or 3/16” thickness and include a central opening for gas inlet. The size plate or pan you choose will be determined by your opening.

3. FLEX LINE & KEY VALVE KIT
There are two Flex Line & Key Valve Kit options. The one you choose is dependent on the BTUs of the burner you chose.

FK1 = (For Burners Below 249K BTU)
FK2 = (For Burners Above 249K BTU)

4. IGNITION TYPE

There are 4 main types of ignition systems.

1. Match Light Ignition - The simplest and most straightforward fire pit ignition. Simply open the gas valve and light the burner with a lighter or long match. By default, your fire pit will come as a match-light fire pit.

2. Push Button Spark Ignition – Similar to firing up a grill. Simply open the gas valve, and push the button ignitor. This ignition is a great option if you want to avoid using a lighter/match.

3. Push Button Spark Ignition with Flame Sense - This ignition is the same as the Standard Push Button Spark Ignition, however, it has one added safety benefit, which is a “Flame Sensing Sensor”. This is an Internal Safety Shutoff in the event a burner's flame is unexpectedly extinguished. The best part is that this system does not require external power.

4. Electronic Ignition – The Rolls-Royce of fire pit ignition systems. This system allows you to turn your fire pit on/off with a click of a button. It also includes a flame-sensing feature for extra protection. Please note that depending on the BTU rating of your burner, you may need to run external power for this ignition.

5. VENTING
On paper, you "need" two 18 square-inch vents on opposite ends. Not everyone does 18 square inches, however, it is highly recommended to have some sort of venting to allow cross ventilation.

6. INSTALLATION COLLARS
The plate will sit about 4-5 inches below the very top of the fire pit and will need something to support it. Some folks stack bricks in the corners to hold the plate or cinder blocks. However, there is an item specifically for this called support collars. All in all, they act as a shelf for the plate

7. COVER
It is always recommended to cover your fire pit. At the end of the day, the fire pit is outdoors, and we don't want any elements getting into the burner. Even if you decide to use a tarp! If you aren't using the fire pit for a long period, cover it.

Warming Trends does offer nice aluminum covers. As far as the size we would need, very simply you want a 1-Inch lip around the fire pit. So for example, if your opening is 32", you would want a 34" cover.

8. FIRE MEDIA

Fire media is the material that surrounds your burner and creates the visual look of your fire pit. The two most popular options are:

Lava Rock – natural and rustic look
Fire Glass – modern and reflective appearance

The choice mostly comes down to personal preference and the style you are going for.

We also offer many other fire media options, including log sets, lite stone balls, ornaments, and additional fire glass styles if you want to customize the look of your fire pit.

Note: Use our convenient Fire Glass Calculator or Lava Rock Calculator to determine the amount of fire glass or lava rock required for your fire feature.

Features

  • Made of 100% Brass - Guaranteed corrosion-resistant product to ensure low-cost maintenance and lifetime quality. No rust!
  • Crossfire Burner Design - Innovative burner design with patented technology creating taller, brighter, fuller, and more natural flames.
  • Fuel Types - Accommodates natural gas and propane
  • Fuel Efficiency - Propane or natural gas, we offer a fuel-efficient burner that only consumes half the fuel of conventional burners
  • Full Lifetime Warranty - The ‘No rust’ feature is backed by Warming Trends Full Lifetime Warranty
  • Made In The USA – 100% manufactured in the U.S, a true “Made in the USA” product
  • WATERSTOP® Moisture Barrier – Designed to prevent water and debris from entering gas lines, helping maintain safe and consistent performance.
  • Available in various BTU Ratings and Dimensions. See the specification table below
  • Available in several styles: Original, Tree-style, H-style, and Linear.
Specifications
Manufacturer Warming Trends
SKU Number UL
Material 100% Brass
Style Linear
Fuel Type Universal (Natural Gas/Propane)
Twice The Flame Yes
Fuel-Efficient Yes
Lifetime Warranty Yes
Made In the USA? Yes

 

Linear Crossfire 2.0 Burner Specifications
SKU Number BTU Rating Burner Size Inlet Size Recommended Opening Size With WATERSTOP
UL90 90,000 17.75" 1/2" 20" x 6" Yes
UL110 110,000 21.75" 1/2" 26" x 6" Yes
UL130 130,000 25.75" 1/2" 32" x 8" Yes
UL150 150,000 29.75" 1/2" 38" x 8" Yes
UL170 170,000 33.75" 1/2" 40" x 8" Yes
UL190 190,000 37.75" 1/2" 44" x 8" Yes
UL210 210,000 41.75" 1/2" 50" x 10" Yes
UL250 250,000 49.75" 3/4" 56" x 10" Yes
UL270 270,000 53.75" 3/4" 62" x 12" Yes


Documents

Shipping & Returns

*** FREE SHIPPING ON YOUR ENTIRE ORDER

*** 30 DAY MONEY BACK GUARANTEE

*** CANCEL ANYTIME BEFORE YOUR ORDER HAS SHIPPED, COMPLETELY FREE OF CHARGE

Shipping

Your order is processed and submitted to our supplier within 24 hours. Tracking is emailed within 24 hours of shipment. Lead times are posted on each product page below the Add to Cart button.

Returns

30-day return policy from the date of delivery. Original outbound shipping and return shipping costs are deducted from the refund. Return shipments may be subject to customs processing fees at the customer's expense.

Cancellations

Contact us immediately to cancel. Orders that have shipped cannot be cancelled — standard return procedure applies. Custom orders cannot be cancelled once production has started.

📞 833-528-5591 | info@royalfirepits.com

View Full Shipping Policy

View Full Return & Refund/Cancellation Policy

Why Buy From Us

Fast & Free Shipping

Every order ships free anywhere in the United States — no minimums, no fine print. The price you see on our product page is your all-in price. All orders are processed within 24 hours to ensure fast delivery. View our shipping policy →

No Sales Tax

You will not be charged sales tax on any of your purchases. We commit to passing these savings on to you for as long as the legislation lasts.

Lowest Price Guarantee

We constantly monitor competitor pricing to ensure we offer the lowest prices anywhere on the web. Find a lower price on an identical item and we'll beat it — no questions asked. Learn how it works →

Real People, Real Expertise

We don't just sell hearth products — we live them. Our team of fire experts are available by call, text, chat, or email to help you find exactly what you need. You'll speak with someone who knows the products inside and out, not a generic call centre.

Authorized Dealer — Every Brand

Every brand we carry is an authorized partnership. That means every purchase comes with full manufacturer warranty and direct brand support. No grey market sellers. No voided warranties. Just genuine products you can trust.

Your Safety & Security Are Paramount

We know privacy and security are your primary concerns when shopping online. We exclusively use SSL encryption during the checkout process to ensure your personal and financial information remains protected. We accept all major credit cards including Visa, Mastercard, American Express, and Discover.

30-Day Easy Returns

Not happy with your purchase? Return it within 30 days. We make the process simple because we'd rather earn your trust than hold you to a sale. View our return policy →

Questions?

Our team is available Monday–Saturday, 9am–8pm EST. Call or text us at 833-528-5591, or email us at info@royalfirepits.com.

Warranty

All purchases with Royal Fire Pits are covered by the Manufacturer’s Limited Warranty. View full Manufacturer Warranty below.

 

CLICK HERE FOR MANUFACTURER'S WARRANTY

 

If you have any technical issues with your purchase, within the warranty period. Please contact us at info@royalfirepits.com or 833-528-5591

What Our Customers Are Saying

From homeowners and contractors across North America.

Marek L

Verified Purchase

Excellent fire burner bundle from Warming Trends

Save yourself a headache and give those guys a call...they listen and advise you to make final decision. I am very pleased with overall burner package performance and help. Warming Trends is "Mercedes" in burners performance and quality. Thank you Jordan and rest of your team involved in my order....well done folks

Karen L

Verified Purchase

Great Company to do business with.

I found out about Royal Fire Pits when I googled where to buy the Orion. I was looking for Labor Day discounts. Another company replied too late. You were prompt and I was ready, so I went with your company. Jordan was great to work with. We’ll post a picture in a few days. Thank you, Karen and Ben Lomeli

Emma Wilson

Verified Purchase

This beautiful Bordeaux Encore

This beautiful Bordeaux Encore wood burning stove was put in place yesterday with the help of a few friends. Really appreciate your help and efficiency in streamlining this order. Royal Fire Pits is fortunate to have Jordan as a representative. Your knowledge and competence about the Vermont Castings product was evident and appreciated. Thank you again for your assistance and followup. We Love it.

Danny F

Verified Purchase

Amazing process, amazing finished product!

We all love the convenience of online ordering, but we also miss the personal touch of being able to call someone. Can’t thank you enough for the time spent on the phone, and appreciate how easy it was to place the order and have everything shipped. I love the output of the burner, and the black fire Glass really finished it off perfectly.

Jim & Mary

Verified Purchase

Terrific company & product

Royal Fire Pits was great to work with. The stove arrived in good order after a cross country trip. I was impressed with the quality of the cast iron and how well everything fit together. We are having a "break in" fire tonight and will shift into "catalytic mode" tomorrow. Jordon was a guiding light throughout. Many Thanks!!

Briet S

Verified Purchase

Awesome fireplace

Orion Multi is an awesome fireplace and makes an immediate statement! Arrived quickly with great support from the staff when the fireplace arrived, it had been damaged in shipping. Royal fire pits was quick to remedy this and sent out a new unit the very next day.

Alice H

Verified Purchase

Excellent people to do business with

It’s perfect it’s beautiful we loved working with the guys. They were so helpful and patient they delivered within a minimal time. I just can’t say enough I’m very very happy it made it so easy.

Ron B

Verified Purchase

Seamless Purchase

Royal price matched and beat that price by some more. Fire table was delivered without issue and when they estimated. Still waiting on plumber to hook NG up.Seamless Purchase

Marek L

Verified Purchase

Excellent fire burner bundle from Warming Trends

Save yourself a headache and give those guys a call...they listen and advise you to make final decision. I am very pleased with overall burner package performance and help. Warming Trends is "Mercedes" in burners performance and quality. Thank you Jordan and rest of your team involved in my order....well done folks

Karen L

Verified Purchase

Great Company to do business with.

I found out about Royal Fire Pits when I googled where to buy the Orion. I was looking for Labor Day discounts. Another company replied too late. You were prompt and I was ready, so I went with your company. Jordan was great to work with. We’ll post a picture in a few days. Thank you, Karen and Ben Lomeli

Emma Wilson

Verified Purchase

This beautiful Bordeaux Encore

This beautiful Bordeaux Encore wood burning stove was put in place yesterday with the help of a few friends. Really appreciate your help and efficiency in streamlining this order. Royal Fire Pits is fortunate to have Jordan as a representative. Your knowledge and competence about the Vermont Castings product was evident and appreciated. Thank you again for your assistance and followup. We Love it.

Danny F

Verified Purchase

Amazing process, amazing finished product!

We all love the convenience of online ordering, but we also miss the personal touch of being able to call someone. Can’t thank you enough for the time spent on the phone, and appreciate how easy it was to place the order and have everything shipped. I love the output of the burner, and the black fire Glass really finished it off perfectly.

Jim & Mary

Verified Purchase

Terrific company & product

Royal Fire Pits was great to work with. The stove arrived in good order after a cross country trip. I was impressed with the quality of the cast iron and how well everything fit together. We are having a "break in" fire tonight and will shift into "catalytic mode" tomorrow. Jordon was a guiding light throughout. Many Thanks!!

Briet S

Verified Purchase

Awesome fireplace

Orion Multi is an awesome fireplace and makes an immediate statement! Arrived quickly with great support from the staff when the fireplace arrived, it had been damaged in shipping. Royal fire pits was quick to remedy this and sent out a new unit the very next day.

Alice H

Verified Purchase

Excellent people to do business with

It’s perfect it’s beautiful we loved working with the guys. They were so helpful and patient they delivered within a minimal time. I just can’t say enough I’m very very happy it made it so easy.

Ron B

Verified Purchase

Seamless Purchase

Royal price matched and beat that price by some more. Fire table was delivered without issue and when they estimated. Still waiting on plumber to hook NG up.Seamless Purchase

Why Choose Us

Royal Fire Pits vs. the rest

Not all hearth retailers are the same — here's what makes the difference.

Others
Pre & post purchase support
With you from first question to final install
Unreliable after-sale support
Expert guidance
Real fire experts — not call centre staff
Generic customer service
Lowest price guaranteed
Find lower anywhere, we'll beat it
Fixed pricing, no flexibility
Authorized dealer
Full manufacturer warranty on every order
Grey market risk, voided warranties
Fast response times
Reply within 1–2 hours, Mon–Sat
Slow or no response
CROSSFIRE® Custom Burners

Can't Find the Right Size? We'll Build It.

Whether you need a unique shape, a specific BTU output, or a burner that fits an unconventional opening — we can build it. Tell us what you have in mind and we'll take it from there.
  • Any shape or size — no limitations
  • Zero design fees — ever
  • You approve the CAD drawing before we build
Explore Custom Burners

Take Another Look

Authorized Dealer

Be Smart. Buy From an Authorized Dealer.

When you buy from Royal Fire Pits, you're buying from a trusted authorized dealer — 100% manufacturer warranty included, always. No grey market sellers. No fly-by-night websites. Just genuine products and real support, from first question to final install.
Why Buy From Us

100% authentic products

Full manufacturer warranty included

Real support before & after purchase

Trusted authorized dealer since 2019