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Gas Flex Connectors

For indoor, outdoor, residential and commercial applications


PlumbingSupply.com® has such a great selection of - and excellent prices on - gas flex connectors and other gas-related products, that even manufacturers purchase from us. They no longer feel it necessary to stock large quantities when they can purchase what they need, when they need it, from our excellent stock. And so can you! We are your source for thousands of plumbing-related products and, as always, no minimum purchase required.

Stainless Steel Gas Flexible Connectors:
Note: the lengths shown for gas flexes is the overall length - including the fittings, with a tolerance of -½", + 1"
Terms Used: mips=standard male threads; fip=standard female threads; O. D. = outside diameter

All of these gas connectors are CSA approved.
The gas connectors listed on this page are not for use on Natural
Gas or LPG piping systems operating at pressures exceeding 1/2 psig



Gas flex connector

3/8" O. D. (1/4" i.d.) 304 Stainless Steel - Gas Flex Connectors: (click here for Max. BTUs)
Fittings x12" x18" x24" x36" x48" x60" x72"
3/8"fip x 3/8"fip $10.28 $12.80 $13.20 $15.86 $20.48 $22.52 $25.59
3/8"mips x 3/8"fip $9.99 $12.86 $13.57 $15.80 $20.48 $22.64 $25.57
3/8"mips x 3/8"mips $10.68 $12.85 $13.48 $16.27 $19.89 $22.59 $25.07
3/8"fip x 1/2"fip $10.15 $12.65 $13.08 $15.58 $19.52 $22.63 $25.22
3/8"fip x 1/2"mips $10.26 $12.65 $13.32 $15.52 $20.18 $22.26 $24.83
3/8"mips x 1/2"mips $10.12 $12.91 $13.51 $15.49 $20.60 $22.75 $24.84
3/8"mips x 1/2"fip $10.15 $12.76 $13.50 $15.64 $19.70 $22.58 $25.61
1/2"fip x 1/2"fip $10.73 $12.86 $13.34 $15.91 $19.92 $22.78 $26.13
1/2"mips x 1/2"fip $9.87 $12.49 $13.59 $16.14 $20.25 $22.32 $25.46
1/2"mips x 1/2"mips $10.50 $12.70 $13.35 $16.21 $20.22 $22.24 $25.89
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Gas flex connector

1/2" O. D. (3/8" i.d.) 304 Stainless Steel - Gas Flex Connectors: (click here for Max. BTUs)
Fittings x12" x18" x24" x36" x48" x60" x72"
3/8"fip x 3/8"fip $11.20 $13.83 $15.74 $18.38 $21.76 $26.63 $30.93
3/8"mips x 3/8"fip $11.32 $13.84 $15.88 $18.28 $21.74 $26.82 $30.70
3/8"mips x 3/8"mips $11.47 $13.69 $15.78 $18.43 $21.93 $26.95 $31.09
3/8"fip x 1/2"fip $11.35 $14.07 $15.88 $18.17 $21.89 $26.66 $31.03
3/8"fip x 1/2"mips $11.41 $14.03 $15.90 $18.53 $21.86 $26.85 $30.77
3/8"mips x 1/2"fip $11.27 $13.92 $15.80 $18.44 $21.71 $26.86 $30.81
3/8"mips x 1/2"mips $11.13 $13.86 $15.80 $18.47 $21.83 $26.87 $30.86
1/2"fip x 1/2"fip $11.28 $13.70 $16.17 $18.34 $21.00 $27.08 $30.76
1/2"mips x 1/2"fip $11.12 $13.96 $15.82 $18.24 $21.74 $26.36 $30.74
1/2"mips x 1/2"mips $11.09 $13.96 $16.03 $18.41 $21.80 $26.94 $30.80
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Gas flex connector

304 Stainless Steel - Gas Flex Connectors: (click here for Max. BTUs)
5/8" O. D. (1/2" i.d.)
5/8" O. D. gas flex tubing has/uses 15/16" Flare (15/16" - 16 thread)
Fittings x12" x18" x24" x36" x48" x60" x72"
1/2"fip x 1/2"fip $11.50 $14.91 $16.63 $19.69 $23.25 $28.76 $33.29
1/2"fip x 3/4"fip $11.47 $14.45 $16.78 $19.45 $23.35 $28.91 $33.32
3/4"fip x 3/4"fip $11.14 $14.69 $16.60 $19.45 $23.41 $28.70 $33.09
1/2"fip x 1/2"mips $11.21 $14.72 $16.79 $19.59 $23.51 $28.48 $32.16
1/2"fip x 3/4"mips $11.21 $14.47 $17.00 $19.57 $23.36 $28.59 $33.21
1/2"mips x 3/4"fip $11.33 $14.99 $17.11 $19.72 $23.51 $28.65 $33.18
3/4"mips x 3/4"fip $11.48 $14.98 $16.83 $19.49 $23.54 $28.69 $33.36
1/2"mips x 1/2"mips $11.26 $14.82 $16.81 $19.73 $23.54 $28.80 $33.19
1/2"mips x 3/4"mips $11.34 $14.74 $16.71 $19.59 $23.49 $28.85 $33.39
3/4"mips x 3/4"mips $11.45 $14.43 $17.41 $19.57 $23.31 $28.75 $33.55

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Gas flex connector with valve

304 Stainless Steel - Gas Flex Connectors with Shut-Off Valve: (click here for Max. BTUs)
5/8" O. D. (1/2" i.d.)
5/8" O. D. gas flex tubing has/uses 15/16" Flare (15/16" - 16 thread)
Fittings 3/8" O. D. (1/4" i.d.) 1/2" O. D. (3/8" i.d.) 5/8" O. D. (1/2" i.d.)
x12" x18" x12" x24" x12" x24"
3/8"mip x 1/2"fip $20.84 $23.24 $21.51 $25.59 -- --
1/2"mip x 1/2"fip $20.83 $23.04 $21.29 $26.36 -- --
3/4"mip x 3/4"fip -- -- -- -- $25.68 $30.83

Looking for more gas flexes with shutoff valves? Click here!

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Mobile home gas flexes

1" O. D. (3/4"i.d.) Gas Flex Connectors:
for Mobile Homes (plastic coated)
Fittings x36" x72"
3/4"mips x 3/4"fip $64.59 $95.22
3/4"mips x 3/4"mips $65.45 $96.20
3/4"fip x 3/4"fip $64.35 $94.73

Straight Length Capacity
1" Nominal OD (3/4" ID)
Description Length BTU
Natural Gas
BTU per hour 0.64 SG., 1000 BTU per cu ft. at 0.5 in water column pressure drop
36" 255,900
72" 173,900
Propane Gas
BTU per hour 1.55 SG., 2500 BTU per cu ft. at 0.5 in water column pressure drop
36" 409,440
72" 278,240

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Commercial gas flexes

3/4" i.d. Gas Flex Connectors:
for Moveable Equipment Commercial Applications
Plastic Coated - with 3/4" Quick Connect Valve
Description Price & Quantity
60" with 3/4"fips x 3/4"ips $268.83
158,000 btu's max

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The Blue Hose Coated Stainless Steel Gas Connector
Commercial/Restaurant flexible gas supply
The Blue Hose gas connector for commercial and food service use
3/4"id heavy duty, movable (flexible), gas supply
This gas connector features:
  • Patented Stressguard Technology reduces stress at both ends of the connector
  • Anti-microbial PVC Coating (patent pending) inhibits growth of bacteria, mold and mildew on the gas connector
  • Heavy-duty, flexible, corrugated 304 stainless steel tubing
  • Tightly woven stainless steel braid prevents corrugations from stretching as equipment is moved
  • This hose meets all of the current national building codes and standards
  • Includes quick connect valve and restraining hardware
Description Price & Quantity
Coated Stainless Gasflex for Commercial/Restaurant applications - 3/4" id x 48" - 3/4"mips x 3/4"fips with Quick Connect Valve, Restraining Device and Hardware $244.41
Replacement Hose Only - Coated Stainless Gasflex - 3/4" id x 48" Length - 3/4"mips x 3/4"fips $157.72

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Ultraflow High BTU Stainless Steel Gas Connectors
Ultraflow gas connectors
click here for larger image
These gas connectors feature:
  • PVC coating resists chipping and cracking
  • Ideal for outdoor installations
  • Designed for applications with a significant BTU requirement
  • Can supply up to 290,000 BTU (NG) or 465,000 (LP)
  • Increases productivity by eliminating the need for pipe nipples, 90's and elbows
  • Common applications: tankless water heaters, commercial water heaters, furnaces, manufactured homes, boilers, rooftop HVAC units, and gas meters
Description Price & Quantity
Stainless Gasflex - 1"od (3/4"id) x 24" - with adapter to 3/4"fip x 3/4"mip $63.15
Stainless Gasflex - 1"od (3/4"id) x 24" - with adapter to 3/4"fip x 3/4"fip $65.48
Stainless Gasflex - 1"od (3/4"id) x 24" - with adapter to 3/4"mip x 3/4"mip $65.65
Gas ball valve 3/4" $9.07

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Ultraflow High BTU Stainless Steel Gas Connectors
Ultraflow gas connectors
click here for larger image
This non-coated gas connector features:
  • Ideal for outdoor installations
  • Designed for applications with a significant BTU requirement
  • Can supply up to 290,000 BTU (NG) or 465,000 (LP)
  • Increases productivity by eliminating the need for pipe nipples, 90's and elbows
  • Common applications: tankless water heaters, commercial water heaters, furnaces, manufactured homes, boilers, rooftop HVAC units, and gas meters
Description Price & Quantity
Stainless Gasflex - 1"od (3/4"id) x 24" - with adapter to 3/4"fip x 3/4"mip $49.81
Gas ball valve 3/4" $9.07

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1" i.d. Gas Flex Connectors:
for Commercial Applications - CSA Certified
Plastic Coated
Description Price & Quantity
1" id x 24" with 1"mip x 1"mip $76.96
1" id x 24" with 1"mip x 1"fip $78.14
1" id x 24" with 1"fip x 1"fip $76.99
1" id x 60" with 1"mip x 1"mip $115.75
1" id x 60" with 1"mip x 1"fip $115.24
1" id x 60" with 1"fip x 1"fip $115.69
60" to 397,000 BTUs

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Gas Shut-Off Valves
AGA & UL listed, top quality!
Standard Female Treads (Fip x Fip)

A Picture of our Selection of Gas Shut Off Valves
Click here for a larger image

Size Description Price & Quantity
1/4" FIP Gas shut off valve with "wing" style handle $6.95
3/8" FIP Gas shut off valve with "T" handle $7.69
1/2" FIP Gas shut off valve with "T" handle $6.84
3/4" FIP Gas shut off valve with lever handle $9.07
1" FIP Gas shut off valve with "T" handle $18.11
1-1/4" FIP Gas shut off valve with lever handle $35.85
1-1/2" FIP Gas shut off valve with lever handle $43.84
2" FIP Gas shut off valve with lever handle $57.10

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to gas meters, valves and couplings


"Push-To-Connect" Gas Valves
  • Gas shuts off automatically when coupling is disconnected
  • This valve is designed specifically for the food industry
  • Has thermal safety shutoff (350° F)
    In the event of a fire or other heat source affecting
    the valve above 350° F the valve will automatically shut off
  • Quick disconnect - Quick connect
  • One hand operation
  • For INDOOR USE ONLY
Quick connect couplings

Size Price & Quantity
1/2" $48.91
3/4" $67.96
1" $91.75

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Max BTUs for NATURAL GAS
Nominal (OD) Nominal (ID) 12" 18" 24" 30" 36" 48" 60" 72"
3/8" 1/4" 48,000 43,800 40,000 36,400 33,400 28,300 24,900 23,100
1/2" 3/8" 102,000 93,100 85,000 77,100 71,100 60,500 53,200 49,100
5/8" 1/2" 180,000 164,200 150,000 136,000 125,000 106,000 93,200 86,000

Max BTUs for PROPANE GAS
Nominal (OD) Nominal (ID) 12" 18" 24" 30" 36" 48" 60" 72"
3/8" 1/4" 76,800 70,080 64,000 58,240 53,440 45,280 39,840 36,960
1/2" 3/8" 163,200 148,960 136,000 123,360 113,760 96,800 85,120 78,560
5/8" 1/2" 288,000 262,720 240,000 217,600 200,000 169,600 149,120 137,600

The gas connectors listed on this page are not for use on Natural
Gas or LPG piping systems operating at pressures exceeding 1/2 psig

Frequently Asked Questions

Q. "You say 5/8" O. D. flare (15/16" - 16 thread). What does that mean?"
A. The 5/8" O.D. refers to the outside diameter of the flex tubing. 15/16" refers to the size, and 16 thread refers to the number of threads per inch. 15/16" - 16 size and thread pitch is required for CSA design certification of 5/8" O.D. gas appliance connectors. Normal 5/8" O.D. flare fittings will not work with these specific gas flexes.

Q. "What is 'BTU'?"
A. BTU" is an abbreviation for "British Thermal Unit", and is a measurement of heat that's equal to the amount of heat necessary to raise one pound of water one degree Fahrenheit at sea level. One BTU is equal to about 250 calories.

Q. "I need a flexible gas connector that is exactly 18-inches long. Will your 18" gas flex work?"
A. It may, but it would best to buy a 24-inch gas flex to allow for slack in the line and prevent the possibility of stressing the gas flex.

Q. "I've heard that gas connectors need to be changed every ten years or less for safety. Is there any truth in that?"
A. No, the stainless connectors that we sell will generally last as long as your house (if not repeatedly moved or physically damaged). Sometimes older, non stainless steel, coated or uncoated budget gas connectors can be a real safety hazard. Some older, uncoated brass connectors have a serious flaw that can, over time, cause a leak, fire or explosion. These uncoated brass connectors have not been made for more than 20 years but are still in use and sometimes are sold at garage sales, etc. The older these connectors get, the greater the possibility of failure.

Appliance connectors have been used for years, because they are made of corrugated piping and can be shaped to fit in spaces between your appliances and gas piping. But these connectors aren't made to last a lifetime, nor are they made to withstand the stress put on them when appliances are moved frequently. Although not all uncoated connectors have this flaw, it's very difficult to tell which ones do.

We believe that any uncoated brass connector should be replaced immediately with one of our new stainless steel connectors. Replace any connector that appears corroded or appears brittle. Check occasionally for gas odor. If you smell gas, or if you hear gas leaking, close the appliance shut-off valve, but only if you can do this without moving the appliance or connector. If the valve can't be shut off without moving something, shut off the main gas shut-off to the house right away, evacuate everyone from the house immediately, opening windows and doors as you go. Do not use your telephone, operate any gas or electric appliances, or turn light switches on or off. Sparks from any of these could ignite the gas. Immediately contact a trusted local professional as well as your gas provider to ensure that the issue is properly corrected.

Code requires that a new gas appliance connector must be used for a new appliance, when moving an appliance to a new location, or as a result of damage (ANSI Z21.24/CSA 6.10 and ANSI Z21.75/CSA 6.27). It is a good idea to always install a new gas connector when you replace an appliance. Again, we highly recommend that you immediately replace any uncoated brass connectors with a quality stainless steel or brand new, coated connector and as always, before installing any product, check your local plumbing codes..

For safety, only use one connector for each appliance. Never use two connectors together to extend the length.



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