Flame King Thermo Plastic Hose Assembly for LP and Natural Gas, 48 Inch, 3/8 Inch - Flame King -- Flame King Thermo Plastic Hose Assembly for LP and Natural Gas, 48 Inch, 3/8 Inch - Flame King

Flame King Thermo Plastic Hose Assembly for LP and Natural Gas, 48 Inch, 3/8 Inch

$23.95

3/8″ ID Thermo Plastic Hose Assembly including a 3/8″ MNPT x 1/2″ Female Flare Swivel
48″ Overall Length
Maximum Pressure Rating – 350 PSI; Temperature Range : -40 degree Fahrenheit to 140 (-40 degree Celsius to 60 Celsius)
Certification – UL569 Used for LP and Natural Gas

SKU: MB100383-48N/A

Reliable Gas Transfer Made Simple - 48" Thermo Plastic Hose Assembly

When safety and performance matter, the Flame King 48" Thermo Plastic Hose Assembly delivers. Built tough and precision-engineered, this hose provides a secure and dependable connection for LP and natural gas applications, making it a must-have for RV setups, outdoor kitchens, and more.

Built to Withstand the Elements

With a maximum pressure rating of 350 PSI and a temperature range from -40°F to 140°F, this hose is designed to handle extreme conditions with ease. Whether you're grilling in the heat of summer or camping in winter cold, it provides consistent, reliable gas flow without compromise.

Secure, Hassle-Free Connections

The 3/8" MNPT x 1/2" female flare swivel ensures a snug, leak-free fit every time. Lightweight yet rugged, the hose is easy to install and UL569-certified for safety, giving you confidence in every connection.

Specifications:

Weight: 8.8 oz
Dimensions: 48 x 1 x 1 inches
Hose Length: 48" (4 ft)
Inside Diameter: 3/8"
Connectors: 3/8" MNPT x 1/2" female flare swivel
Pressure Rating: 350 PSI
Temperature Range: -40°F to 140°F (-40°C to 60°C)
Certification: UL569 (LP and natural gas use)

Flame King Thermo Plastic Hose Assembly For LP and Natural Gas

Quality and Service

At Flame King, we manufacture propane tanks and cylinders trusted worldwide for their exceptional quality and reliability. Our commitment to excellence goes beyond the products - we're dedicated to providing outstanding service to every customer. Each tank we produce exceeds industry standards and is crafted in award-winning facilities recognized for their focus on safety and quality. With Flame King, you can count on superior performance and complete peace of mind.

Certifications You Can Count On

At Flame King, we don't just build propane cylinders - we craft trusted companions designed to keep your adventures and daily needs fueled safely and reliably. Whether it's a compact 1 lb. tank for your next camping trip or a heavy-duty 420 lb. cylinder for commercial use, each product is made with care and precision.

Our portable propane cylinders meet strict Department of Transportation (DOT) and Transport Canada (TC) standards, so you can feel confident wherever you go. And for our ASME-certified tanks, they're crafted in facilities certified to ISO 9002 quality standards - because we believe safety and reliability should never be compromised.

With Flame King, you're not just buying a tank; you're investing in peace of mind that lasts.

Durable

Propane equipment faces tough conditions - so we build our tanks from rugged, premium materials designed to stand up to the challenge and deliver lasting performance you can trust.

Safe

At Flame King, safety isn't just a feature - it's our promise. Every tank is rigorously tested in real-world conditions to ensure reliable, dependable performance when it matters most.

Smart Design, Powerful Performance

At Flame King, we fuse cutting-edge technology with durable engineering to deliver propane solutions that are as intuitive as they are reliable - making every experience simpler, safer, and smarter.

Committed to a Greener Future

At Flame King, protecting the planet is at the heart of everything we do. That's why we pioneered the first refillable 1 lb propane tank- helping you reduce waste and embrace a more sustainable way to power your outdoor adventures.

About Us

At Flame King, we believe in the power of propane to fuel life's essential moments - from backyard cookouts to off-grid adventures. For over 20 years, we've been at the heart of it all, designing propane tanks and accessories that people rely on, day in and day out.

Built on a foundation of innovation and integrity, our products are engineered for performance, safety, and longevity. From our durable steel cylinders to our advanced heating and cooking solutions, every Flame King product is crafted to help you heat, power, and cook - wherever life takes you.

We've grown from a trusted manufacturer into a brand that supports sustainability, smarter energy use, and better outdoor living. Whether you're camping under the stars or firing up the grill in your own backyard, Flame King is there to keep the flame alive.

Worked for main rv propane line

Ran from regular to rv propane hookup

Excellent and hard to find locally

3/8” male end and 1/2 female end worked for us. We used it to connect bulk house propane to black pipe, a ball valve and quick connect for our grill. Ace Hardware was helpful in figuring out the connectors that we needed to add.