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-RT-1503 - AutoFlare Tee-Reducer 1 1/2" x 1 1/4" x 3/4"
TracPipePrecio original $ 0.00 - Precio original $ 0.00Precio original $ 0.00$ 340.65$ 340.65 - $ 340.65Precio actual $ 340.65| /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$ 340.65$ 340.65 - $ 340.65Precio actual $ 340.65| /Agotado -
TracPipe - FGP-RT-1502 - AutoFlare Tee-Reducer 1 1/2" x 1 1/4" x 1"
TracPipePrecio original $ 0.00 - Precio original $ 0.00Precio original $ 0.00$ 343.20$ 343.20 - $ 343.20Precio actual $ 343.20| /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$ 343.20$ 343.20 - $ 343.20Precio actual $ 343.20| /Agotado -
TracPipe - FGP-TF2000-T1500 - AutoFlare Tee-Reducer 2" x 2" x 1 1/2"
TracPipePrecio original $ 0.00 - Precio original $ 0.00Precio original $ 0.00$ 599.44$ 599.44 - $ 599.44Precio actual $ 599.44| /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$ 599.44$ 599.44 - $ 599.44Precio actual $ 599.44| /Agotado -
TracPipe - FGP-RT-1504 - AutoFlare Tee-Reducer 1 1/2" x 1 1/4" x 1/2"
TracPipePrecio original $ 0.00 - Precio original $ 0.00Precio original $ 0.00$ 347.30$ 347.30 - $ 347.30Precio actual $ 347.30| /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$ 347.30$ 347.30 - $ 347.30Precio actual $ 347.30| /Agotado -
TracPipe - FGP-RT-1501 - AutoFlare Tee-Reducer 1 1/2" x 1 1/4" x 1 1/4"
TracPipePrecio original $ 0.00 - Precio original $ 0.00Precio original $ 0.00$ 364.54$ 364.54 - $ 364.54Precio actual $ 364.54| /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$ 364.54$ 364.54 - $ 364.54Precio actual $ 364.54| /Agotado -
TracPipe - FGP-TF1500-T500 - AutoFlare Tee-Reducer 1 1/2" x 1 1/2" x 1/2"
TracPipePrecio original $ 0.00 - Precio original $ 0.00Precio original $ 0.00$ 358.14$ 358.14 - $ 358.14Precio actual $ 358.14| /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$ 358.14$ 358.14 - $ 358.14Precio actual $ 358.14| /Agotado -
TracPipe - FGP-TF1500-T750 - AutoFlare Tee-Reducer 1 1/2" x 1 1/2" x 3/4"
TracPipePrecio original $ 0.00 - Precio original $ 0.00Precio original $ 0.00$ 353.41$ 353.41 - $ 353.41Precio actual $ 353.41| /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$ 353.41$ 353.41 - $ 353.41Precio actual $ 353.41| /Agotado -
TracPipe - FGP-TF1500-T1000 - AutoFlare Tee-Reducer 1 1/2" x 1 1/2" x 1"
TracPipePrecio original $ 0.00 - Precio original $ 0.00Precio original $ 0.00$ 364.00$ 364.00 - $ 364.00Precio actual $ 364.00| /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$ 364.00$ 364.00 - $ 364.00Precio actual $ 364.00| /Agotado -
TracPipe - FGP-RT-1251 - AutoFlare Tee-Reducer 1 1/4" x 1" x 1"
TracPipePrecio original $ 0.00 - Precio original $ 0.00Precio original $ 0.00$ 233.05$ 233.05 - $ 233.05Precio actual $ 233.05| /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$ 233.05$ 233.05 - $ 233.05Precio actual $ 233.05| /Agotado -
TracPipe - FGP-RT-1253 - AutoFlare Tee-Reducer 1 1/4" x 1" x 1/2"
TracPipePrecio original $ 0.00 - Precio original $ 0.00Precio original $ 0.00$ 223.39$ 223.39 - $ 223.39Precio actual $ 223.39| /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$ 223.39$ 223.39 - $ 223.39Precio actual $ 223.39| /Agotado -
TracPipe - FGP-TF1500-T1250 - AutoFlare Tee-Reducer 1 1/2" x 1 1/2" x 1 1/4"
TracPipePrecio original $ 0.00 - Precio original $ 0.00Precio original $ 0.00$ 398.25$ 398.25 - $ 398.25Precio actual $ 398.25| /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$ 398.25$ 398.25 - $ 398.25Precio actual $ 398.25| /Agotado -
TracPipe - FGP-RT-1252 - AutoFlare Tee-Reducer 1 1/4" x 1" x 3/4"
TracPipePrecio original $ 0.00 - Precio original $ 0.00Precio original $ 0.00$ 219.45$ 219.45 - $ 219.45Precio actual $ 219.45| /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$ 219.45$ 219.45 - $ 219.45Precio actual $ 219.45| /Agotado -
TracPipe - FGP-TF1250-T500 - AutoFlare Tee-Reducer 1 1/4 "x 1 1/4"x 1/2"
TracPipePrecio original $ 0.00 - Precio original $ 0.00Precio original $ 0.00$ 242.51$ 242.51 - $ 242.51Precio actual $ 242.51| /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$ 242.51$ 242.51 - $ 242.51Precio actual $ 242.51| / -
TracPipe - FGP-TF1250-T1000 - AutoFlare Tee-Reducer 1 1/4" x 1 1/4" x 1"
TracPipePrecio original $ 0.00 - Precio original $ 0.00Precio original $ 0.00$ 261.44$ 261.44 - $ 261.44Precio actual $ 261.44| /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$ 261.44$ 261.44 - $ 261.44Precio actual $ 261.44| /Agotado -
TracPipe - FGP-TF1250-T750 - AutoFlare Tee-Reducer 1 1/4" x 1 1/4" x 3/4"
TracPipePrecio original $ 0.00 - Precio original $ 0.00Precio original $ 0.00$ 249.85$ 249.85 - $ 249.85Precio actual $ 249.85| /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$ 249.85$ 249.85 - $ 249.85Precio actual $ 249.85| /Agotado -
TracPipe - FGP-RT-751 - AutoFlare Tee-Reducer 3/4" x 1/2" x 3/8"
TracPipePrecio original $ 0.00 - Precio original $ 0.00Precio original $ 0.00$ 61.21$ 61.21 - $ 61.21Precio actual $ 61.21| /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$ 61.21$ 61.21 - $ 61.21Precio actual $ 61.21| /Agotado -
TracPipe - FGP-RT-1001 - AutoFlare Tee-Reducer 1" x 3/4" x 1/2"
TracPipePrecio original $ 0.00 - Precio original $ 0.00Precio original $ 0.00$ 97.75$ 97.75 - $ 97.75Precio actual $ 97.75| /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$ 97.75$ 97.75 - $ 97.75Precio actual $ 97.75| /Agotado -
TracPipe - FGP-RT-1002 - AutoFlare Tee-Reducer 1" x 3/4" x 3/4"
TracPipePrecio original $ 0.00 - Precio original $ 0.00Precio original $ 0.00$ 98.03$ 98.03 - $ 98.03Precio actual $ 98.03| /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$ 98.03$ 98.03 - $ 98.03Precio actual $ 98.03| /Agotado -
TracPipe - FGP-T1000-1000 - AutoFlare Tee - Female 1"
TracPipePrecio original $ 0.00 - Precio original $ 0.00Precio original $ 0.00$ 104.27$ 104.27 - $ 104.27Precio actual $ 104.27| /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$ 104.27$ 104.27 - $ 104.27Precio actual $ 104.27| /Agotado -
TracPipe - FGP-RFG-1000 - AutoFlare Steel Flange Fitting 1"
TracPipePrecio original $ 0.00 - Precio original $ 0.00Precio original $ 0.00$ 38.01$ 38.01 - $ 38.01Precio actual $ 38.01| /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$ 38.01$ 38.01 - $ 38.01Precio actual $ 38.01| /Agotado -
TracPipe - FGP-CPLG-2000 - AutoFlare Coupling 2"
TracPipePrecio original $ 0.00 - Precio original $ 0.00Precio original $ 0.00$ 512.19$ 512.19 - $ 512.19Precio actual $ 512.19| /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$ 512.19$ 512.19 - $ 512.19Precio actual $ 512.19| /Agotado -
TracPipe - FGP-CPLG-1250 - AutoFlare Coupling 1 1/4"
TracPipePrecio original $ 0.00 - Precio original $ 0.00Precio original $ 0.00$ 143.23$ 143.23 - $ 143.23Precio actual $ 143.23| /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$ 143.23$ 143.23 - $ 143.23Precio actual $ 143.23| /Agotado -
TracPipe - FGP-CPLG-1000 - AutoFlare Coupling 1"
TracPipePrecio original $ 0.00 - Precio original $ 0.00Precio original $ 0.00$ 64.46$ 64.46 - $ 64.46Precio actual $ 64.46| /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$ 64.46$ 64.46 - $ 64.46Precio actual $ 64.46| /Agotado -
TracPipe - FGP-CPLG-375 - AutoFlare Coupling 3/8"
TracPipePrecio original $ 0.00 - Precio original $ 0.00Precio original $ 0.00$ 26.61$ 26.61 - $ 26.61Precio actual $ 26.61| /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$ 26.61$ 26.61 - $ 26.61Precio actual $ 26.61| /Agotado
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.