Gas Fittings
When dealing with gas piping systems, every connection must perform. Our Gas Fittings collection brings you the trusted adapters, unions, reducers, transitions and accessory components that tie your system together—whether you’re working with CSST, black steel, appliance hook-ups or retrofit installs.
What you’ll find in this collection:
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CSST-to-threaded adapters, unions and couplings built for corrugated stainless steel tubing systems commonly used in modern gas supply.
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Appliance connection fittings and kits—brass male/female adapters, unions, reducing fittings—to hook up stoves, grills, boilers and other fuel-gas appliances cleanly and code-compliantly.
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Transition fittings that adapt between piping types (CSST to NPT, CSST to steel pipe) and accessory parts to support installation (termination plates, unions, reducers).
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Fittings rated for natural gas and propane applications, certified to industry standards and ready for residential or commercial systems.
Why Big Frog Supply? Because we understand that “just a fitting” can be the difference between safe system performance and trouble. We offer clear spec choices, trusted brands, and installation-smart advice so you build it right the first time.
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TracPipe - FGP-FST-500 - AutoFlare Straight 1/2"
TracPipePrecio original $ 0.00 - Precio original $ 0.00Precio original $ 0.00$ 16.75$ 16.75 - $ 16.75Precio actual $ 16.75| /Straight 1/2" Tracpipe Autoflare x 1/2" MNPT Brass FittingOverview:Transition fitting between TracPipe or CounterStrike Tubing and NPT thread. Fitt...
Ver todos los detallesPrecio original $ 0.00 - Precio original $ 0.00Precio original $ 0.00$ 16.75$ 16.75 - $ 16.75Precio actual $ 16.75| / -
Camiseta Omegaflex TracPipe estándar de 1/2"
TracPipePrecio original $ 64.95 - Precio original $ 64.95Precio original$ 64.95$ 64.95 - $ 64.95Precio actual $ 64.95| /T de 1/2" utilizada en los sistemas Omega TracPipe.
Precio original $ 64.95 - Precio original $ 64.95Precio original$ 64.95$ 64.95 - $ 64.95Precio actual $ 64.95| / -
TracPipe - FGP-FST-750 - AutoFlare Straight 3/4"
TracPipePrecio original $ 0.00 - Precio original $ 0.00Precio original $ 0.00$ 22.42$ 22.42 - $ 22.42Precio actual $ 22.42| /Straight 3/4" Tracpipe Autoflare x 3/4" MNPT Brass FittingOverview:Transition fitting between TracPipe or CounterStrike Tubing and NPT thread. F...
Ver todos los detallesPrecio original $ 0.00 - Precio original $ 0.00Precio original $ 0.00$ 22.42$ 22.42 - $ 22.42Precio actual $ 22.42| / -
TracPipe - FGP-FSTF-750 - AutoFlare Female Straight 3/4"
TracPipePrecio original $ 0.00 - Precio original $ 0.00Precio original $ 0.00$ 28.05$ 28.05 - $ 28.05Precio actual $ 28.05| /AutoFlare® is the self-piloting fitting that attaches TracPipe®CounterStrike® to traditional gas fittings and appliances. No special tools or addit...
Ver todos los detallesPrecio original $ 0.00 - Precio original $ 0.00Precio original $ 0.00$ 28.05$ 28.05 - $ 28.05Precio actual $ 28.05| / -
TracPipe - FGP-FSTF-500 - AutoFlare Female Straight 1/2"
TracPipePrecio original $ 0.00 - Precio original $ 0.00Precio original $ 0.00$ 16.46$ 16.46 - $ 16.46Precio actual $ 16.46| /AutoFlare® is the self-piloting fitting that attaches TracPipe®CounterStrike® to traditional gas fittings and appliances. No special tools or addit...
Ver todos los detallesPrecio original $ 0.00 - Precio original $ 0.00Precio original $ 0.00$ 16.46$ 16.46 - $ 16.46Precio actual $ 16.46| /Agotado -
TracPipe - FGP-FST-1000 - AutoFlare Straight 1"
TracPipePrecio original $ 0.00 - Precio original $ 0.00Precio original $ 0.00$ 35.25$ 35.25 - $ 35.25Precio actual $ 35.25| /Straight 1" Tracpipe Autoflare x 1" MNPT Brass FittingOverview:Transition fitting between TracPipe or CounterStrike Tubing and NPT thread. Fitting ...
Ver todos los detallesPrecio original $ 0.00 - Precio original $ 0.00Precio original $ 0.00$ 35.25$ 35.25 - $ 35.25Precio actual $ 35.25| /Agotado -
Camiseta Reductora TracPipe Omegaflex 3/4x3/4x1/2
TracPipePrecio original $ 89.57 - Precio original $ 89.57Precio original$ 89.57$ 89.57 - $ 89.57Precio actual $ 89.57| /Te reductora de 3/4" x 3/4" x 1/2" para sistemas TracPipe.
Precio original $ 89.57 - Precio original $ 89.57Precio original$ 89.57$ 89.57 - $ 89.57Precio actual $ 89.57| /Agotado -
Camiseta TracPipe Reductora Omegaflex 3/4x1/2x1/2
TracPipePrecio original $ 80.42 - Precio original $ 80.42Precio original$ 80.42$ 80.42 - $ 80.42Precio actual $ 80.42| /Te reductora de 3/4" x 1/2" x 1/2" para sistemas TracPipe.
Precio original $ 80.42 - Precio original $ 80.42Precio original$ 80.42$ 80.42 - $ 80.42Precio actual $ 80.42| / -
TracPipe - FGP-FST-1500 - AutoFlare Straight 1 1/2"
TracPipePrecio original $ 0.00 - Precio original $ 0.00Precio original $ 0.00$ 158.19$ 158.19 - $ 158.19Precio actual $ 158.19| /Straight 1-1/2" Tracpipe Autoflare x 1-1/2" MNPT Brass FittingOverview:Transition fitting between TracPipe or CounterStrike Tubing and NPT thread. ...
Ver todos los detallesPrecio original $ 0.00 - Precio original $ 0.00Precio original $ 0.00$ 158.19$ 158.19 - $ 158.19Precio actual $ 158.19| /Agotado -
TracPipe - FGP-RFG-500 - AutoFlare Steel Flange Fitting 1/2"
TracPipePrecio original $ 0.00 - Precio original $ 0.00Precio original $ 0.00$ 20.91$ 20.91 - $ 20.91Precio actual $ 20.91| /AutoFlare® is the self-piloting fitting that attaches TracPipe®CounterStrike® to traditional gas fittings and appliances. No special tools or addit...
Ver todos los detallesPrecio original $ 0.00 - Precio original $ 0.00Precio original $ 0.00$ 20.91$ 20.91 - $ 20.91Precio actual $ 20.91| / -
TracPipe - FGP-FST-375 - AutoFlare Straight 3/8" (1/2 NPT)
TracPipePrecio original $ 0.00 - Precio original $ 0.00Precio original $ 0.00$ 15.26$ 15.26 - $ 15.26Precio actual $ 15.26| /Straight 3/8" Tracpipe Autoflare x 1/2" MNPT Brass FittingOverview:Transition fitting between TracPipe or CounterStrike Tubing and NPT thread. Fitt...
Ver todos los detallesPrecio original $ 0.00 - Precio original $ 0.00Precio original $ 0.00$ 15.26$ 15.26 - $ 15.26Precio actual $ 15.26| /Agotado -
Omegaflex AutoSnap Hembra Recto 1
TracPipePrecio original $ 33.17 - Precio original $ 33.17Precio original$ 33.17$ 33.17 - $ 33.17Precio actual $ 33.17| /CARACTERÍSTICAS Los nuevos accesorios AutoSnap® con patente pendiente son los únicos accesorios CSST que no requieren ningún desmontaje o reensamb...
Ver todos los detallesPrecio original $ 33.17 - Precio original $ 33.17Precio original$ 33.17$ 33.17 - $ 33.17Precio actual $ 33.17| / -
Omegaflex AutoSnap Hembra Recta 3/4
TracPipePrecio original $ 21.47 - Precio original $ 21.47Precio original$ 21.47$ 21.47 - $ 21.47Precio actual $ 21.47| /Omega Flex - FGP-SFST-750 Accesorio recto AutoSnap de 0,75" NPT para CounterStrike de 0,75" Los nuevos accesorios rectos AutoSnap® pendientes de pa...
Ver todos los detallesPrecio original $ 21.47 - Precio original $ 21.47Precio original$ 21.47$ 21.47 - $ 21.47Precio actual $ 21.47| / -
TracPipe - FGP-T500-500 - AutoFlare Tee - Female 1/2"
TracPipePrecio original $ 0.00 - Precio original $ 0.00Precio original $ 0.00$ 45.14$ 45.14 - $ 45.14Precio actual $ 45.14| /Self-Flaring FittingAutoFlare is the self-piloting fitting that attaches TracPipe CounterStrike to traditional gas fittings and appliances. No spec...
Ver todos los detallesPrecio original $ 0.00 - Precio original $ 0.00Precio original $ 0.00$ 45.14$ 45.14 - $ 45.14Precio actual $ 45.14| / -
TracPipe - FGP-FSTF-1000 - AutoFlare Female Straight 1"
TracPipePrecio original $ 0.00 - Precio original $ 0.00Precio original $ 0.00$ 34.66$ 34.66 - $ 34.66Precio actual $ 34.66| /AutoFlare® is the self-piloting fitting that attaches TracPipe®CounterStrike® to traditional gas fittings and appliances. No special tools or addit...
Ver todos los detallesPrecio original $ 0.00 - Precio original $ 0.00Precio original $ 0.00$ 34.66$ 34.66 - $ 34.66Precio actual $ 34.66| / -
Reductor en T Omegaflex AutoSnap 3/4 X 3/4 X 1/2
TracPipePrecio original $ 70.40 - Precio original $ 70.40Precio original$ 70.40$ 70.40 - $ 70.40Precio actual $ 70.40| /CARACTERÍSTICAS Los nuevos accesorios AutoSnap® con patente pendiente son los únicos accesorios CSST que no requieren ningún desmontaje o reens...
Ver todos los detallesPrecio original $ 70.40 - Precio original $ 70.40Precio original$ 70.40$ 70.40 - $ 70.40Precio actual $ 70.40| / -
Omegaflex AutoSnap Recto 3/8
TracPipePrecio original $ 11.78 - Precio original $ 11.78Precio original$ 11.78$ 11.78 - $ 11.78Precio actual $ 11.78| /CARACTERÍSTICAS Los nuevos accesorios AutoSnap® con patente pendiente son los únicos accesorios CSST que no requieren ningún desmontaje o reens...
Ver todos los detallesPrecio original $ 11.78 - Precio original $ 11.78Precio original$ 11.78$ 11.78 - $ 11.78Precio actual $ 11.78| / -
TracPipe - FGP-TF1000-T500 - AutoFlare Tee-Reducer 1" x 1" x 1/2"
TracPipePrecio original $ 0.00 - Precio original $ 0.00Precio original $ 0.00$ 100.10$ 100.10 - $ 100.10Precio actual $ 100.10| /This product connects to Tracpipe/CounterStrike tubing on all 3 ends.Self-Flaring FittingAutoFlare is the self-piloting fitting that attaches TracP...
Ver todos los detallesPrecio original $ 0.00 - Precio original $ 0.00Precio original $ 0.00$ 100.10$ 100.10 - $ 100.10Precio actual $ 100.10| /Agotado -
TracPipe - FGP-T750-500 - AutoFlare Tee - Female 3/4"-1/2"
TracPipePrecio original $ 0.00 - Precio original $ 0.00Precio original $ 0.00$ 59.39$ 59.39 - $ 59.39Precio actual $ 59.39| /Self-Flaring FittingAutoFlare is the self-piloting fitting that attaches TracPipe CounterStrike to traditional gas fittings and appliances. No spec...
Ver todos los detallesPrecio original $ 0.00 - Precio original $ 0.00Precio original $ 0.00$ 59.39$ 59.39 - $ 59.39Precio actual $ 59.39| / -
Conector de brida Omegaflex 1"
TracPipePrecio original $ 41.50 - Precio original $ 41.50Precio original$ 41.50$ 41.50 - $ 41.50Precio actual $ 41.50| /Detalles de producto Los nuevos accesorios AutoSnap® con patente pendiente son los únicos accesorios CSST que no requieren ningún desmontaj...
Ver todos los detallesPrecio original $ 41.50 - Precio original $ 41.50Precio original$ 41.50$ 41.50 - $ 41.50Precio actual $ 41.50| / -
TracPipe - FGP-TF1000-T750 - AutoFlare Tee-Reducer 1" x 1" x 3/4"
TracPipePrecio original $ 0.00 - Precio original $ 0.00Precio original $ 0.00$ 105.73$ 105.73 - $ 105.73Precio actual $ 105.73| /This product connects to Tracpipe/CounterStrike tubing on all 3 ends.Self-Flaring FittingAutoFlare is the self-piloting fitting that attaches TracP...
Ver todos los detallesPrecio original $ 0.00 - Precio original $ 0.00Precio original $ 0.00$ 105.73$ 105.73 - $ 105.73Precio actual $ 105.73| / -
TracPipe - FGP-TF750-T750 - AutoFlare Tee - All Outlets 3/4" x 3/4"
TracPipePrecio original $ 0.00 - Precio original $ 0.00Precio original $ 0.00$ 63.31$ 63.31 - $ 63.31Precio actual $ 63.31| /This product connects to Tracpipe/CounterStrike tubing on all 3 ends.Self-Flaring FittingAutoFlare is the self-piloting fitting that attaches TracP...
Ver todos los detallesPrecio original $ 0.00 - Precio original $ 0.00Precio original $ 0.00$ 63.31$ 63.31 - $ 63.31Precio actual $ 63.31| / -
TracPipe - FGP-CPLG-750 - AutoFlare Coupling 3/4"
TracPipePrecio original $ 0.00 - Precio original $ 0.00Precio original $ 0.00$ 41.66$ 41.66 - $ 41.66Precio actual $ 41.66| /AutoFlare® is the self-piloting fitting that attaches TracPipe®CounterStrike® to traditional gas fittings and appliances. No special tools or addit...
Ver todos los detallesPrecio original $ 0.00 - Precio original $ 0.00Precio original $ 0.00$ 41.66$ 41.66 - $ 41.66Precio actual $ 41.66| / -
TracPipe - FGP-FST-1250 - AutoFlare Straight 1 1/4"
TracPipePrecio original $ 0.00 - Precio original $ 0.00Precio original $ 0.00$ 76.93$ 76.93 - $ 76.93Precio actual $ 76.93| /Straight 1-1/4" Tracpipe Autoflare x 1-1/4" MNPT Brass FittingOverview:Transition fitting between TracPipe or CounterStrike Tubing and NPT thread. ...
Ver todos los detallesPrecio original $ 0.00 - Precio original $ 0.00Precio original $ 0.00$ 76.93$ 76.93 - $ 76.93Precio actual $ 76.93| /
Pro tip: Before you purchase, identify the type of gas piping you’re connecting to (CSST, black iron, soft stainless), confirm fuel type (natural or LP), ensure certification for the fitting, and check for bonding/grounding requirements on CSST runs. Using matched system components helps reduce leak-risk and keeps installs code-compliant.
Browse the collection, select the correct fitting for your system, and install with confidence.