Home > PLUMBING > ROUGH PLUMBING SUPPLIES > PIPE FITTINGS > PEX CRIMP INSERT FITTINGS
Sort By:
Page of 3
COUPLING BRASS PEX 1/2        Conbraco APXC1212 Apollo Apollo Valves APXP12 Pex Crimp Test Plug
The SharkBite? PEX barb coupling is made of a lead-free DZR brass and is an easy to install, low-cost solution to connect to PEX tubing. The SharkBite? PEX barb fittings are compatible for potable water distribution and hydronic heating applications. These fittings can be used in both a stainless steel clamp system or a copper crimp ring system as well. Apollo PEX? lead-free dezincification-resistant brass couplings are the premier low cost solution for connections within a PEX piping system. Apollo PEX? fittings are suitable for both potable water and hydronic heating systems. Apollo PEX? fittings may be used with copper crimp rings, stainless steel pinch clamps or stainless steel crimp sleeve. Available in a variety of configurations and sizes, completion of your next PEX piping system installation is easy with Apollo PEX? fittings. Apollo Test Pipe Plug, Nominal Size: 1/2 in, Barb Connection, Suitable for: PEX Pipe
Apollo Valves APXP34 Pex Crimp Test Plug PLUG PEX 3/4IN                Conbraco APXC3838 Apollo
Apollo Test Pipe Plug, Nominal Size: 3/4 in, Barb Connection, Suitable for: PEX Pipe The SharkBite? PEX barb plug is an easy to install and low cost solution to cap off a PEX tubing line. The SharkBite? PEX barb fittings are compatible for potable water distribution and hydronic heating applications. These fittings can be used in both a stainless steel clamp system or a copper crimp ring system as well each sold separately. Apollo PEX? lead-free dezincification-resistant brass couplings are the premier low cost solution for connections within a PEX piping system. Apollo PEX? fittings are suitable for both potable water and hydronic heating systems. Apollo PEX? fittings may be used with copper crimp rings, stainless steel pinch clamps or stainless steel crimp sleeve. Available in a variety of configurations and sizes, completion of your next PEX piping system installation is easy with Apollo PEX? fittings.
Conbraco APXC1238 Apollo COUPLING PEX 1/2X3/4 IN       PLUG PEX 1/2IN
Apollo PEX? lead-free dezincification-resistant brass couplings are the premier low cost solution for connections within a PEX piping system. Apollo PEX? fittings are suitable for both potable water and hydronic heating systems. Apollo PEX? fittings may be used with copper crimp rings, stainless steel pinch clamps or stainless steel crimp sleeve. Available in a variety of configurations and sizes, completion of your next PEX piping system installation is easy with Apollo PEX? fittings. The SharkBite? PEX barb coupling is made of a lead-free DZR brass and is an easy to install, low-cost solution to connect to PEX tubing. The SharkBite? PEX barb fittings are compatible for potable water distribution and hydronic heating applications. These fittings can be used in both a stainless steel clamp system or a copper crimp ring system as well. The SharkBite? PEX barb plug is an easy to install and low cost solution to cap off a PEX tubing line. The SharkBite? PEX barb fittings are compatible for potable water distribution and hydronic heating applications. These fittings can be used in both a stainless steel clamp system or a copper crimp ring system as well each sold separately.
ELBOW BRASS 1/2PEX            Conbraco APXC3434 Apollo Conbraco APXC1234 Apollo
The SharkBite? PEX barb elbow is made of a lead-free DZR brass and is an easy-to-install, low-cost solution to connect to PEX tubing at a 90 deg angle. The SharkBite? PEX barb fittings are compatible for potable water distribution and hydronic heating applications. These fittings can be used in both a stainless steel clamp system or a copper crimp ring system as well. Apollo PEX? lead-free dezincification-resistant brass couplings are the premier low cost solution for connections within a PEX piping system. Apollo PEX? fittings are suitable for both potable water and hydronic heating systems. Apollo PEX? fittings may be used with copper crimp rings, stainless steel pinch clamps or stainless steel crimp sleeve. Available in a variety of configurations and sizes, completion of your next PEX piping system installation is easy with Apollo PEX? fittings.
Conbraco APXE12 Tube Elbow COUPLING BRASS PEX 3/4        ELBOW BRASS 1/2PEX X 3/4PEX
Apollo PEX lead-free dezincification-resistant brass elbows are the premier low-cost solution for connections within a PEX piping system. Apollo PEX fittings are suitable for both potable water and hydronic heating systems. Apollo PEX fittings may be used with copper crimp rings, stainless steel pinch clamps or stainless steel crimp sleeve all sold separately. The SharkBite? PEX barb coupling is made of a lead-free DZR brass and is an easy to install, low-cost solution to connect to PEX tubing. The SharkBite? PEX barb fittings are compatible for potable water distribution and hydronic heating applications. These fittings can be used in both a stainless steel clamp system or a copper crimp ring system as well. The SharkBite? PEX barb reducing elbow is made of a lead-free DZR brass and is an easy-to-install, low-cost solution to connect to PEX tubing at a 90 deg angle. The reducing elbow allows you to reduce pipe size with a single fitting. The SharkBite? PEX barb fittings are compatible for potable water distribution and hydronic heating applications. These fittings can be used in both a stainless steel clamp system or a copper crimp ring system as well.
ELBOW BRASS 3/4PEX            Conbraco APXE1234 Tube Elbow ADAPTER 1/2PEX X 1/2 FPT
The SharkBite? PEX barb elbow is made of a lead-free DZR brass and is an easy-to-install, low-cost solution to connect to PEX tubing at a 90 deg angle. The SharkBite? PEX barb fittings are compatible for potable water distribution and hydronic heating applications. These fittings can be used in both a stainless steel clamp system or a copper crimp ring system as well. Apollo PEX lead-free dezincification-resistant brass elbows are the premier low-cost solution for connections within a PEX piping system. Apollo PEX fittings are suitable for both potable water and hydronic heating systems. Apollo PEX fittings may be used with copper crimp rings, stainless steel pinch clamps or stainless steel crimp sleeve all sold separately. The SharkBite? PEX barb threaded female adapter is made of a lead-free DZR brass and is an easy-to-install, low-cost solution to connect to PEX tubing. These fittings allow you to connect with either a stainless steel clamp system or a copper crimp ring system and is FNPT threaded on the other side.
Conbraco APXE3434 Tube Elbow COUPLING POLY 1/2 P X 1/2 POLY Apollo Valves APXFA1212 Pipe Adapter
Apollo PEX lead-free dezincification-resistant brass elbows are the premier low-cost solution for connections within a PEX piping system. Apollo PEX fittings are suitable for both potable water and hydronic heating systems. Apollo PEX fittings may be used with copper crimp rings, stainless steel pinch clamps or stainless steel crimp sleeve all sold separately. The SharkBite? PEX barb polybutylene adapter is made of a lead-free DZR brass and is an easy-to-install, low-cost solution to connect PEX tubing to polybutylene pipe. SharkBite? PEX barb fittings are compatible for potable water distribution and hydronic heating applications. This product includes two-colors co-ordinated crimp rings the included black crimp ring is intended for PEX while the copper colored crimp ring is for use on polybutylene pipe. Apollo Pipe Adapter, Nominal Size: 1/2 in, PEX x FPT Connection, 200 psi, Operating Temperature: 200 deg F, Brass, Suitable for: PEX Pipes
Apollo Valves APXFB1212S Swivel Pipe Adapter Apollo Valves APXMA1212 Pipe Adapter ADAPTER REDUC BRASS 3/8X1/2IN
Apollo Pipe Adapter, Nominal Size: 1/2 in, PEX x FPT Connection, 200 psi, Operating Temperature: 200 deg F, Brass, Suitable for: PEX Pipes Apollo Pipe Adapter, Nominal Size: 1/2 in, PEX x MPT Connection, 200 psi, Operating Temperature: 200 deg F, Brass, Suitable for: PEX Pipes Apollo Pipe Adapter, Nominal Size: 3/8 x 1/2 in, Barb x MPT Connection, 200 psi, Operating Temperature: 200 deg F, Brass, Suitable for: PEX Plumbing System
ADAPTER BRASS 1/2PEX X 1/2F SW ADAPTER BRASS 1/2PEX X 1/2M SW COUPLING PEX RT LF 1IN
COUPLING PEX RT LF 1IN
Our Price: $3.52
The SharkBite? PEX barb sweat female adapter is made of a lead-free DZR brass and is an easy-to-install, low-cost solution to connect to PEX tubing. These fittings allow you to connect with either a stainless steel clamp system or a copper crimp ring system on one-side and the other side is a female sweat connection that can be soldered. The SharkBite? PEX barb sweat male adapter is made of a lead-free DZR brass and is an easy-to-install, low-cost solution to connect to PEX tubing. These fittings allow you to connect with either a stainless steel clamp system or a copper crimp ring system on one-side and the other side is a male sweat connection that can be soldered.
COUPLING PEX RT LF 3/4X1IN    ADAPTER 1/2PEX X 1/2MPT       ADAPTER 3/4PEX X 3/4FPT
The SharkBite? PEX barb threaded male adapter is made of a lead-free DZR brass and is an easy-to-install, low-cost solution to connect to PEX tubing. These fittings allow you to connect with either a stainless steel clamp system or a copper crimp ring system and is MNPT threaded on the other side. The SharkBite? PEX barb threaded female adapter is made of a lead-free DZR brass and is an easy-to-install, low-cost solution to connect to PEX tubing. These fittings allow you to connect with either a stainless steel clamp system or a copper crimp ring system and is FNPT threaded on the other side.
ADAPTER POLYBUTYLENE 3/4 INCH Conbraco APXBC1212 Apollo Conbraco APXBC3434 Apollo
Transition from polybutylene to PEX pipe. Includes two color coordinated crimp rings the black crimp ring is for PEX pipe, while the copper colored crimp ring is for polybutylene pipe. Certified for use in potable water and hydronic heating systems. Apollo PEX? lead-free dezincification-resistant brass couplings are the premier low cost solution for connections within a PEX piping system. Apollo PEX? fittings are suitable for both potable water and hydronic heating systems. Apollo PEX? fittings may be used with copper crimp rings, stainless steel pinch clamps or stainless steel crimp sleeve. Available in a variety of configurations and sizes, completion of your next PEX piping system installation is easy with Apollo PEX? fittings. Apollo PEX? lead-free dezincification-resistant brass couplings are the premier low cost solution for connections within a PEX piping system. Apollo PEX? fittings are suitable for both potable water and hydronic heating systems. Apollo PEX? fittings may be used with copper crimp rings, stainless steel pinch clamps or stainless steel crimp sleeve. Available in a variety of configurations and sizes, completion of your next PEX piping system installation is easy with Apollo PEX? fittings.
Conbraco APXC11 Apollo Conbraco APXC341 Apollo Apollo Valves APXFA3434 Pipe Adapter
Apollo PEX? lead-free dezincification-resistant brass couplings are the premier low cost solution for connections within a PEX piping system. Apollo PEX? fittings are suitable for both potable water and hydronic heating systems. Apollo PEX? fittings may be used with copper crimp rings, stainless steel pinch clamps or stainless steel crimp sleeve. Available in a variety of configurations and sizes, completion of your next PEX piping system installation is easy with Apollo PEX? fittings. Apollo PEX? lead-free dezincification-resistant brass couplings are the premier low cost solution for connections within a PEX piping system. Apollo PEX? fittings are suitable for both potable water and hydronic heating systems. Apollo PEX? fittings may be used with copper crimp rings, stainless steel pinch clamps or stainless steel crimp sleeve. Available in a variety of configurations and sizes, completion of your next PEX piping system installation is easy with Apollo PEX? fittings. Apollo Pipe Adapter, Nominal Size: 3/4 in, PEX x FPT Connection, 200 psi, Operating Temperature: 200 deg F, Brass, Suitable for: PEX Pipes
Apollo Valves APXFS1212 Pipe Adapter Apollo Valves APXFS3434 Pipe Adapter Apollo Valves APXMS1212 Pipe Adapter
Apollo Pipe Adapter, Nominal Size: 1/2 in, PEX x Female Solder Connection, 200 psi, Operating Temperature: 200 deg F, Brass, Suitable for: PEX Pipes Apollo Pipe Adapter, Nominal Size: 3/4 in, PEX x Female Solder Connection, 200 psi, Operating Temperature: 200 deg F, Brass, Suitable for: PEX Pipes Apollo Pipe Adapter, Nominal Size: 1/2 in, PEX x Male Solder Connection, 200 psi, Operating Temperature: 200 deg F, Brass, Suitable for: PEX Pipes
Apollo Valves APXMS3434 Pipe Adapter ADAPTER FPT 1/2PEX X 3/4FPT   SWIVEL ADAPTER 1/2PEX X 1/2FPT
Apollo Pipe Adapter, Nominal Size: 3/4 in, PEX x Male Solder Connection, 200 psi, Operating Temperature: 200 deg F, Brass, Suitable for: PEX Pipes Apollo Hose Pipe Adapter, Nominal Size: 1/2 x 3/4 in, PEX x FPT Connection, 200 psi, Operating Temperature: 200 deg F, Brass, Suitable for: PEX Pipes The SharkBite? PEX swivel adapter is an easy-to-install solution to connect PEX tubing to a male threaded connection. These fittings are suitable for potable water distribution and hydronic heating applications. SharkBite? PEX barb fittings can be used in both a stainless steel clamp system or a copper crimp ring system as well (each sold separately).
PLUG PEX BARB POLY 1/2IN      ADAPTER 1/2PEX X 3/4MPT       ADAPTER 3/4PEX X 3/4MPT
Plug the end of PEX pipe with a crimp or clamp connection. Corrosion-resistant fitting certified for use in potable water and hydronic heating system applications. The SharkBite? PEX barb threaded male adapter is made of a lead-free DZR brass and is an easy-to-install, low-cost solution to connect to PEX tubing. These fittings allow you to connect with either a stainless steel clamp system or a copper crimp ring system and is MNPT threaded on the other side. The SharkBite? PEX barb threaded male adapter is made of a lead-free DZR brass and is an easy-to-install, low-cost solution to connect to PEX tubing. These fittings allow you to connect with either a stainless steel clamp system or a copper crimp ring system and is MNPT threaded on the other side.
ADPTR PEX RT LF 1/2X3/4IN FNPT Apollo Valves APXMA3434 Pipe Adapter Apollo Valves APXMA3412 Pipe Adapter
Transition between PEX pipe and an MNPT threaded connection with a crimp or clamp connection. Certified for use in potable water and hydronic heating systems. Apollo Pipe Adapter, Nominal Size: 3/4 in, PEX x MPT Connection, 200 psi, Operating Temperature: 200 deg F, Brass, Suitable for: PEX Pipes Apollo Pipe Adapter, Nominal Size: 1/2 x 3/4 in, PEX x MPT Connection, 200 psi, Operating Temperature: 200 deg F, Brass, Suitable for: PEX Pipes
Apollo Valves APXT38 Crimp Tube Tee Apollo Valves APXT12 Crimp Tube Tee PLUG SHWR TEST PLSTC MPT 1/2IN
Apollo Tube Tee, Nominal Size: 3/8 in, Suitable for: Apollo PEX Pipe Apollo Tube Tee, Nominal Size: 1/2 in, Suitable for: Apollo PEX Pipe Apollo PEX carries a wide variety of accessories to assist in installation of PEX plumbing.
TEE BRASS 1/2 PEX             ADAPTER BRASS 3/4PEX X 3/4M SW TEE BRASS 3/4 PEX
The SharkBite? PEX barb tee is made of a lead-free DZR brass and is an easy-to-install, low-cost solution to connect to PEX tubing. The SharkBite? PEX barb fittings are compatible for potable water distribution and hydronic heating applications. These fittings can be used in both a stainless steel clamp system or a copper crimp ring system as well. The SharkBite? PEX barb sweat male adapter is made of a lead-free DZR brass and is an easy-to-install, low-cost solution to connect to PEX tubing. These fittings allow you to connect with either a stainless steel clamp system or a copper crimp ring system on one-side and the other side is a male sweat connection that can be soldered. The SharkBite? PEX barb tee is made of a lead-free DZR brass and is an easy-to-install, low-cost solution to connect to PEX tubing. The SharkBite? PEX barb fittings are compatible for potable water distribution and hydronic heating applications. These fittings can be used in both a stainless steel clamp system or a copper crimp ring system as well.
ELBOW 90DEG PEX X SOLDER 1/2IN TEE BRASS PEX 3/4 X 3/4 X 1/2 Apollo Valves APXT34 Crimp Tube Tee
Apollo PEX lead-free dezincification-resistant brass elbows are the premier low-cost solution for connections within a PEX piping system. Apollo PEX fittings are suitable for both potable water and hydronic heating systems. Apollo PEX fittings may be used with copper crimp rings, stainless steel pinch clamps or stainless steel crimp sleeve (all sold separately). Completion of your next PEX piping system installation is easy with Apollo PEX fittings. SharkBite? PEX barb reducing tees come in a variety of different sizes and allow for pipe size reduction in multiple ways. The SharkBite? PEX barb fittings are compatible for potable water distribution and hydronic heating applications. These fittings can be used in both a stainless steel clamp system or a copper crimp ring system as well. Apollo Tube Tee, Nominal Size: 3/4 in, Suitable for: Apollo PEX Pipe
Apollo Valves APXT341212 Crimp Tube Tee Apollo Valves APXT343412 Crimp Tube Tee Conbraco APXCR3810PK Apollo
Apollo Tube Tee, Nominal Size: 3/4 x 1/2 x 1/2 in, Suitable for: Apollo PEX Pipe Apollo Tube Tee, Nominal Size: 3/4 x 3/4 x 1/2 in, Suitable for: Apollo PEX Pipe Apollo Crimp Ring, Nominal Size: 3/8 in, Suitable for: PEX Tubing and Barb Fittings
Conbraco APXCR1210PK Apollo Conbraco APXCR15PK Apollo TEE PEX RT LF 3/4X1/2X1/2IN
Apollo Crimp Ring, Nominal Size: 1/2 in, Suitable for: PEX Tubing and Barb Fittings Apollo Crimp Ring, Nominal Size: 1 in, Suitable for: Brass or Poly-Alloy Fittings Connect pieces of different sized PEX pipe together. Compatible with crimp or clamp rings. Certified for use in potable water and hydronic heating systems.
PLUG TEST PEX PA 5PK 1/2IN    TEE PEX RT LF 3/4X1/2X3/4IN   Apollo Valves APXT121234 Crimp Tube Tee
Apollo ApolloPEX? Pipe Plug, Nominal Size: 1/2 in, Barb Connection, 200 psi, Operating Temperature: 200 deg F, Poly Alloy, 7/8 in L, Suitable for: ApolloPEX? Crimp Rings, Stainless Steel Pinch Clamps and Stainless Steel Sleeves Connect pieces of different sized PEX pipe together. Compatible with crimp or clamp rings. Certified for use in potable water and hydronic heating systems. Apollo Tube Tee, Nominal Size: 1/2 x 1/2 x 3/4 in, Suitable for: Apollo PEX Pipe
Apollo Valves APXT341234 Crimp Tube Tee ADAPTER BRASS 3/4 X 1/2IN     COUPLING PEX PA 5PK 1/2IN
Apollo Tube Tee, Nominal Size: 3/4 x 1/2 x 3/4 in, Suitable for: Apollo PEX Pipe Apollo Pipe Adapter, 3/4 x 1/2 in Nominal, Barb x FPT Connection, 200 psi Pressure, 200 deg F Operating, Brass, Suitable for: PEX Plumbing System ApolloPEX? poly alloy couplings are the most economical fitting available for the joining of PEX pipe.
ELBOW PEX RT LF 1/2X1/2IN MNPT TEE BRASS BULLNOSE 1/2X1/2X3/4 Conbraco APXE11 Tube Elbow
Make a 90 deg connection with PEX pipe. Transitions from PEX to an NPT threaded connection. Certified for use in potable water and hydronic heating systems. The SharkBite? PEX barb bullnose tee is made of a lead-free DZR brass and is an easy-to-install, low-cost solution to connect to PEX tubing. This fitting has a larger diameter connection coming out of the middle of the tee while the two sides are smaller in Dia. The SharkBite? PEX barb fittings are compatible for potable water distribution and hydronic heating applications. These fittings can be used in both a stainless steel clamp system or a copper crimp ring system as well. Apollo PEX lead-free dezincification-resistant brass elbows are the premier low-cost solution for connections within a PEX piping system. Apollo PEX fittings are suitable for both potable water and hydronic heating systems. Apollo PEX fittings may be used with copper crimp rings, stainless steel pinch clamps or stainless steel crimp sleeve all sold separately.
Apollo Valves APXMA1234 Pipe Adapter ELBOW BRASS 90DEG 1/2 X 3/4IN ELBOW PEX RT LF 1IN
ELBOW PEX RT LF 1IN
Our Price: $5.06
Apollo Pipe Adapter, Nominal Size: 3/4 x 1/2 in, PEX x MPT Connection, 200 psi, Operating Temperature: 200 deg F, Brass, Suitable for: PEX Pipes Apollo PEX lead-free dezincification-resistant brass elbows are the premier low-cost solution for connections within a PEX piping system. Apollo PEX fittings are suitable for both potable water and hydronic heating systems. Apollo PEX fittings may be used with copper crimp rings, stainless steel pinch clamps or stainless steel crimp sleeve (all sold separately). Completion of your next PEX piping system installation is easy with Apollo PEX fittings.
ELBOW MPT X 1/2 INCH BARB     ELBOW PEX SWIVL 1/2X1/2IN FNPT Conbraco APXFAE1212 Swivel Pipe Elbow
Apollo PEX lead-free dezincification-resistant brass male elbows are the premier low-cost solution for connections within a PEX piping system. Apollo PEX fittings are suitable for both potable water and hydronic heating systems. Apollo PEX fittings may be used with copper crimp rings, stainless steel pinch clamps or stainless steel crimp sleeve all sold separately. Connect PEX pipe to a male threaded connection at a 90 deg angle. Compatible with crimp or clamp rings. Certified for use in potable water and hydronic heating systems. Apollo PEX brass fittings are used for making junctions or directional changes with PEX pipe constructed potable water systems. All Apollo PEX brass fittings have barb ends unless otherwise noted. Apollo PEX brass fittings can be used with Apollo brand PEX-A or PEX-B pipe. Use Apollo PEX brass fittings with Apollo PEX pipe and fasten to pipe using Apollo crimp rings, Apollo pinch clamps or Apollo crimp sleeves with Apollo PEX tools.
PLUG TEST PEX PA 5PK 3/4IN    CPLG PEX POLY ALY 3/4X1/2 5/PK COUPLING PEX BARB POLY 1/2IN
Apollo ApolloPEX? Pipe Plug, Nominal Size: 3/4 in, Barb Connection, 200 psi, Operating Temperature: 200 deg F, Poly Alloy, 7/8 in L, Suitable for: ApolloPEX? Crimp Rings, Stainless Steel Pinch Clamps and Stainless Steel Sleeves Apollo PEX poly alloy couplings are the most economical fitting available for the joining of PEX pipe. Connect 2-pieces of same sized PEX pipe together using crimp or clamp rings. Corrosion-resistant fitting certified for use in potable water and hydronic heating system applications.
ADAPTER PEX MNPT RT LF 1X3/4IN Apollo Valves APXFSA11 Pipe Adapter Apollo Valves APXMA341 Pipe Adapter
Apollo Pipe Adapter, Nominal Size: 1 in, PEX x Female Solder Connection, 200 psi, Operating Temperature: 200 deg F, Brass, Suitable for: PEX Pipes Apollo Pipe Adapter, Nominal Size: 3/4 x 1 in, PEX x MPT Connection, 200 psi, Operating Temperature: 200 deg F, Brass, Suitable for: PEX Pipes
Conbraco APXCR3410PK Apollo ADAPTER BARB 1"X3/4" MPT      ELBOW MPT X 3/4 INCH BARB
Apollo Crimp Ring, Nominal Size: 3/4 in, Suitable for: PEX Tubing and Barb Fittings Apollo Hose Pipe Adapter, Nominal Size: 1 x 3/4 in, Barb x MPT Connection, 200 psi, Operating Temperature: 200 deg F, Brass, Suitable for: PEX Pipes Apollo PEX lead-free dezincification-resistant brass male elbows are the premier low-cost solution for connections within a PEX piping system. Apollo PEX fittings are suitable for both potable water and hydronic heating systems. Apollo PEX fittings may be used with copper crimp rings, stainless steel pinch clamps or stainless steel crimp sleeve all sold separately.
ELBOW 90DEG PEX X SOLDER 3/4IN ADAPTER BRASS 3/4 X 1IN       COUPLING PEX PA 5PK 3/4IN
ADAPTER BRASS 3/4 X 1IN
Our Price: $5.99
Apollo PEX lead-free dezincification-resistant brass elbows are the premier low-cost solution for connections within a PEX piping system. Apollo PEX fittings are suitable for both potable water and hydronic heating systems. Apollo PEX fittings may be used with copper crimp rings, stainless steel pinch clamps or stainless steel crimp sleeve (all sold separately). Completion of your next PEX piping system installation is easy with Apollo PEX fittings. ApolloPEX? poly alloy couplings are the most economical fitting available for the joining of PEX pipe.