Top 9 Water Heater Supply Lines for Superior Performance

Steve Donaldson Master HVAC technician
Steve Donaldson
Master HVAC technician at Quality Comfort Home Services

I am Steve Donaldson, a Master HVAC technician with a rich background in addressing heating issues, especially when it comes to various types of water heaters. Leveraging my extensive expertise, I offer insights and advice to help individuals maintain a warm and secure home environment. Reach out to me at steve.donaldson@tedreviews.com for valuable tips from a seasoned professional in the industry.

Steve Donaldson Master HVAC technician
Steve Donaldson
Master HVAC technician at Quality Comfort Home Services

I am Steve Donaldson, a Master HVAC technician with a rich background in addressing heating issues, especially when it comes to various types of water heaters. Leveraging my extensive expertise, I offer insights and advice to help individuals maintain a warm and secure home environment. Reach out to me at steve.donaldson@tedreviews.com for valuable tips from a seasoned professional in the industry.

Welcome to my roundup post on the top 9 water heater supply lines for superior performance. If you're in the market for a new supply line for your water heater, you've come to the right place. In this post, I'll be sharing some of the best options available that will ensure a reliable and efficient water supply to your heater. Whether you're a homeowner or a professional plumber, this roundup has got you covered. So, let's dive in and explore the top-performing water heater supply lines on the market today.

1
Beaquicy Stainless Steel Washer Hoses - 2 Pack
✯ Conclusion: Reliable and affordable ✯
BUY NOW Amazon.com
9.3
2
LASCO Flex Gas Water Heater Supply Line, 12-Inch
9.3
4
Fluidmaster B3H18 Water Heater Connector
Highly recommended
BUY NOW Amazon.com
9.1
7
Fluidmaster 12-Inch Braided Stainless Steel Water Heater Connector
8.7
9
Everbilt Stainless Steel Water Heater Supply Line
Conclusion: Versatile and Reliable
BUY NOW Amazon.com
8.3
1

Beaquicy Stainless Steel Washer Hoses – 2 Pack

 in stock
Amazon.com
9.3
Conclusion: Reliable and affordable
The Beaquicy 6 Ft Washer Stainless Steel Hoses are a reliable and affordable option for preventing leaks in your washing machine. While they may not be available in various lengths and some customers may prefer rubber hoses, their durable construction and universal connector make them a good choice for most households.
Durable and Reliable
  • Prevents leaks
  • Good quality at a lower price
  • Reliable and durable construction
Cons
  • Not available in a variety of lengths
  • Some customers may prefer rubber hoses instead of stainless steel

These 6 ft Washer Stainless Steel Hoses by Beaquicy are a reliable choice for your washing machine. The package includes two hoses – one in blue for cold water and one in red for hot water. With a diameter of 0.513 inches, these braided stainless steel hoses are well-made and designed to prevent leaks. Customers have praised their good quality and affordable price compared to similar products sold by big box stores. These hoses are not only suitable for washing machines, but can also be used for tankless water heater maintenance. Invest in these durable and versatile water supply lines for years of worry-free use.

Durable and Reliable Washer Hoses
  • 2 pack of 6-foot stainless steel braided washing machine hoses
  • Blue color for cold water, red color for hot water
  • Diameter of washer hose body is 0.513 inches
  • Inner diameter of connection port is 0.983 inches
  • Universal connector for easy installation
  • Reliable and durable construction with braided stainless steel material
2

LASCO Flex Gas Water Heater Supply Line, 12-Inch

$27.98
$19.61
 in stock
Amazon.com
as of July 16, 2024 11:36 am
9.3
Recommended choice
The LASCO 10-1221 Flexible Coated Gas Water Heater Supply Line is a versatile and convenient option for connecting your water heater. Its flexible design allows for easy installation, while the yellow safety coating ensures enhanced visibility. Although the bright color may draw attention and require additional work to cover up, overall, this product is a reliable choice for both indoor and outdoor projects.
Benefits of LASCO Flex
  • Flexible connection for easy installation
  • Yellow safety coating for enhanced visibility
  • Suitable for both indoor and outdoor projects
Limitations of LASCO Flex Gas Supply Line
  • Color may be too noticeable and draw attention
  • Requires additional work to cover the bright yellow color

The LASCO 10-1221 Flexible Coated Gas Water Heater Supply Line is a top-quality and durable product that offers excellent value. With its yellow safety coated connector, this gas hose is easy to use and provides added safety. Made with corrugated stainless steel, it is designed to withstand the test of time. Whether you need to connect a gas water heater or a cooktop, this flexible supply line is perfect for both indoor and outdoor projects. It can be used with natural gas or propane, making it a versatile choice.

Key Features
  • 12-inch length
  • 1/2-inch OD Connector with 1/2-inch MIP X 1/2-inch FIP fittings
  • Yellow safety coated connector
  • Corrugated stainless steel material
  • Suitable for indoor and outdoor projects
  • Can be used with Natural Gas
3

Eastman 24" Water Heater Connector, Stainless Steel

$19.49
$14.39
 in stock
Amazon.com
as of July 16, 2024 11:36 am
9.1
In summary
The Eastman 24 Inch Water Heater Connector is an affordable and convenient option for connecting your water supply line to an electric water heater. With its braided stainless steel material and quality brass barrel nipple, it is suitable for specific water heater setups. However, it is important to note that it has a smaller internal diameter than some alternatives and may require extra tightening to prevent leaks.
Benefits
Weaknesses
  • Smaller internal diameter than some alternatives
  • May require extra tightening to prevent leaks

The Eastman 24 Inch Water Heater Connector is a reliable and convenient solution for your plumbing needs. Made with a non-toxic PVC core, this water heater hose connection is lead-free and safe for potable water. It comes with lead-free brass adapters, allowing for solder-free connections to copper pipes. The braided stainless steel exterior is designed to prevent kinking and crimping, ensuring durability and longevity. With a maximum burst pressure of 1200 PSI and a maximum working temperature of 221 degrees F, this connector is suitable for connecting water supply lines to both new and existing electric water heaters. It measures 24 inches in length and features a 3/4 x 3/4 inch FIP connection. While some reviewers have mentioned concerns about the internal diameter, this hose has been found to have an internal diameter of at least 1/2 inch, making it suitable for most applications. Overall, this Eastman Water Heater Connector offers great value and quality for your plumbing projects.

Efficient and Durable Water Heater Connector
  • Steel-Flex water heater connector
  • Connects water supply line to electric water heater
  • Braided stainless steel material
  • 24 inches in length
  • 3/4 x 3/4 inch FIP fittings
4

Fluidmaster B3H18 Water Heater Connector

$8.00
Amazon.com
as of July 16, 2024 11:36 am
9.1
Highly recommended
The Fluidmaster B3H18 Water Heater Connector is a well-built and durable product that is easy to install and flexible to fit various installation needs. It is suitable for water heaters and hot water recirculating pumps. Although it may be difficult to find in local stores, there are no negative reviews for this product.
Easy Installation
  • Well-built and durable construction
  • Easy installation
  • Flexible to fit various installation needs
  • Suitable for water heaters and hot water recirculating pumps
Cons
  • Limited availability in local stores
  • No negative reviews found

The Fluidmaster B3H18 Water Heater Connector is a reliable and durable option for connecting your water heater. With its flexible braided stainless steel construction and no-burst design, it provides peace of mind and helps prevent leaks. The 18-inch length allows for easy installation, and the large inside diameter ensures a high flow rate. This connector meets all plumbing code requirements and is built to last. Whether you need it for a hot water recirculating pump or to connect your water tank to shut off valves, this connector is a great choice.

Reliable and Durable Connection
  • Made of tough core covered with braided stainless steel wire
  • Exceeds code requirements for durability
  • Large inside diameter for higher flow
  • Suitable for water heaters
  • 3/4 Male Iron Pipe Thread x 3/4 Female Iron Pipe Thread
  • 18-Inch Length
5

Hausen 18-Inch Water Heater Connector, 1-Pack

$12.99
$7.99
 in stock
Amazon.com
as of July 16, 2024 11:36 am
8.9
The Hausen 18-Inch Stainless Steel Water Heater Connector is a reliable and durable option for your hot and cold water supply lines. With fast delivery, easy installation, and an affordable price, it's a great choice. However, keep in mind that it may not fit all hose sizes and some customers may prefer alternative options.
Efficient and Reliable
  • Fast delivery
  • Easy installation
  • Affordable price
Potential Drawbacks
  • May not fit all hose sizes
  • Some customers may prefer alternative options

The Hausen 18-Inch Stainless Steel Water Heater Connector is a flexible hose designed for use in both potable water and hydronic heating applications. It features a heavy-duty construction made from lead-free materials, ensuring its durability and safety. With a pipe size/type of 18 inches Compression x FIP, this water heater connector is compatible with hot and cold supply lines to water heaters with a 3/4-inch FIP x 7/8-inch C thread. Although one review mentioned that the hose diameter was smaller than expected, the majority of customers found this product to be high-quality and easy to install, with one person even commenting on the convenient next-day delivery.

Explore further:  How to tell if water heater is leaking?
Easy Installation and Durability
  • 18-Inch length
  • Stainless steel construction
  • 3/4-inch FIP x 7/8-inch C thread
  • Suitable for hot and cold water supply lines
  • Heavy-duty and durable
  • Lead-free materials used
6

SharkBite 18" Stainless Steel Braided Water Heater Connector

$24.81  in stock
Amazon.com
as of July 16, 2024 11:36 am
8.9
Reliable and easy
The SharkBite 1/2 Inch x 3/4 Inch FIP x 18 Inch Stainless Steel Braided Flexible Water Heater Connector is an easy-to-install, flexible hose that securely connects to PEX, copper, CPVC, PE-RT, and HDPE pipes. While it may not be suitable for all tankless water heaters and lacks clear labeling on which end is which, it provides a reliable and sealed connection for most setups.
Reliable and Efficient
  • Easy installation
  • Sealed tight on PEX and water heater
  • Large bore hose
  • Flexible
Potential Drawbacks
  • Not clearly labeled which end is which
  • May not be suitable for certain tankless water heaters

The SharkBite 1/2 Inch x 3/4 Inch FIP x 18 Inch Stainless Steel Braided Flexible Water Heater Connector is a versatile and convenient plumbing fitting that allows you to connect water heaters with existing pipes quickly and easily. Its push-to-connect design ensures a clean and leak-free connection, making it ideal for tight spaces. This flexible water heater connector is compatible with PEX tubing, PE-RT, CPVC, and copper pipes, offering flexibility in any combination. With its durable stainless steel construction and easy installation, this connector is perfect for both commercial repairs and home improvement projects. It has a maximum working temperature of 200 degrees F and a maximum working pressure of 200 PSI, making it suitable for gas water and electric heaters with flue vents.

The reviews for this product are generally positive, with customers praising its easy installation and tight seal on PEX and water heaters. However, one customer mentioned that the retailer did not specify which end is which, causing compatibility issues with their specific water heater model. It's important to note that this connector is designed for standard tank-type water heaters with a normal 3/4″ MIP outlet. Overall, this SharkBite water heater connector is a reliable and efficient plumbing tool that offers convenience and durability.

Easy Installation and Durability
  • 1/2 inch x 3/4 inch FIP x 18 inch size
  • Stainless steel braided construction
  • Push to connect brass plumbing fitting
  • Compatible with PEX pipe, copper, CPVC, PE-RT, HDPE
7

Fluidmaster 12-Inch Braided Stainless Steel Water Heater Connector

$15.53  in stock
Amazon.com
as of July 16, 2024 11:36 am
8.7
Reliable and versatile
The Fluidmaster B1H12 Water Heater Connector is a good-looking, easy-to-install hose with decent flexibility and a 12-inch length. It offers a decent price and quality, but keep in mind that it may have a non-standard hose diameter and could potentially cause flow restriction or water hammer in houses with 3/4″ plumbing. Overall, it's a reliable option with a 5-year warranty.
Advantages of Fluidmaster Connector
  • Good looking hose
  • Decent flexibility
  • Easy installation
  • Cheap
  • Decent price and quality
Limitations
  • Non-standard hose diameter
  • Potential flow restriction or water hammer in houses with 3/4″ plumbing

Introducing the Fluidmaster B1H12 Water Heater Connector, a high-quality and reliable solution for connecting your water heater to the water supply. This 12-inch long connector is made from durable stainless steel braiding, providing extra protection against bursts and leaks, even in high-pressure conditions. With its 3/4-inch female iron pipe connectors, it easily fits and installs with ease. Plus, it comes with a 5-year warranty, ensuring peace of mind. Customers have praised its decent price, quality, and flexibility, making it a great choice for any home.

Durable and Reliable Connection Solution
  • 12-Inch length
  • 3/4-Inch female iron pipe by 3/4-Inch female iron pipe
  • Stainless steel braiding for extra protection
  • 5 year warranty
8

Eastman 12" Water Heater Connector, Stainless Steel

$17.47
$9.70
 in stock
Amazon.com
as of July 16, 2024 11:36 am
8.7
Reliable and versatile
The Eastman 12 Inch Water Heater Connector is a high-quality product made of braided stainless steel that prevents disconnects and leaks. It is easy to install and ensures a secure connection, although it may require pipe thread tape for proper installation and may not be compatible with all plumbing setups.
Benefits of Eastman 12
Cons
  • Requires pipe thread tape for proper installation
  • May not be compatible with certain unique plumbing setups

The Eastman 12 Inch Water Heater Connector is a high-quality braided stainless steel hose designed to simplify your plumbing and home improvement projects. With its 3/4 inch FIP swivel x 3/4 inch MIP rigid connections, this flexible water heater connector ensures a tight and secure connection that will prevent any disconnects and leaks for many seasons. It is built to withstand corrosion and is UPC approved, making it safe for drinking water. Easy to install and with a track record of no leaks, this water heater hose is a great addition to any plumbing system. Just don't forget to use pipe thread tape for a proper installation.

Durable and Reliable Water Heater Connector
  • High-quality braided stainless steel material
  • 12-inch length
  • 3/4 inch FIP swivel connection
  • Prevents disconnects and leaks
9

Everbilt Stainless Steel Water Heater Supply Line

$16.70
Amazon.com
as of July 16, 2024 11:36 am
8.3
Conclusion: Versatile and Reliable
The Everbilt 3/4 in. FIP x 7/8 in. Compression x 1.5 ft. Stainless Steel Water Heater Supply Line is a strong and durable product that is easy to install and compatible with most water heaters. However, it may not be suitable for all setups due to its limited length options.
Durable and Reliable
  • Strong and durable
  • Easy to install
  • Compatible with water heaters
Weaknesses
  • Limited length option
  • May not fit all water heater setups

The Everbilt 3/4 in. FIP x 7/8 in. Compression x 1.5 ft. Stainless Steel Water Heater Supply Line is a high-quality and durable supply line for your water heater. With an extruded core of PVC tubing, this supply line is then over-braided with polyester yarn and another layer of PVC material. The final layer consists of stainless steel braid, providing both strength and flexibility. The stainless steel construction ensures durability and resistance to corrosion, making it a reliable choice for your water heater. With its convenient size of 1.5 ft., this supply line is easy to install and will provide a secure connection for your water heater.

Durable and Reliable Solution for Water Heating
  • 3/4 inch FIP x 7/8 inch Compression connection
  • Made of stainless steel
  • Braided supply line for added strength
  • Flexible design for easy installation
  • Durable and long-lasting construction
  • Suitable for use with water heaters

Affordable and High-Quality Water Heater Supply Lines

  • Low-end options: $10 to $20
  • These are basic supply lines made from PVC or braided stainless steel. They are affordable but may not have some advanced features like high burst strength or corrosion resistance
  • Mid-range options: $20 to $40
  • In this price range, you can find supply lines that offer a good balance between affordability and quality. They are often made from braided stainless steel with added features like higher burst strength, flexible design, and corrosion resistance
  • High-end options: $40 and above
  • If you're looking for top-of-the-line supply lines, this price range offers premium options. These supply lines are typically made from high-quality materials like stainless steel or copper, ensuring excellent durability, corrosion resistance, and long-lasting performance. They may also include additional features like adjustable length, advanced insulation, or built-in shut-off valves
  • Please note that these price ranges are approximate and can vary depending on the brand, material, length, and specific features of the water heater supply lines. It's always a good idea to compare different products and read customer reviews to find the best option that fits your needs and budget
Steve Donaldson Master HVAC technician
Steve DonaldsonMaster HVAC technician at Quality Comfort Home Services

I am Steve Donaldson, a Master HVAC technician with a rich background in addressing heating issues, especially when it comes to various types of water heaters. Leveraging my extensive expertise, I offer insights and advice to help individuals maintain a warm and secure home environment. Reach out to me at steve.donaldson@tedreviews.com for valuable tips from a seasoned professional in the industry.

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2 Comments
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  1. I noticed that the prices of these supply lines vary quite a bit. Can you provide more information on the quality and value of each one?

  2. Thanks for putting together this roundup! I’ve been considering replacing my water heater supply line, but I’m not sure which one to choose. Do you have any recommendations or personal favorites from this list?

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