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![2 Inch Pressure Relief Nipple Check Valve Bronze Viton Seats 2 Inch Pressure Relief Nipple Check Valve Bronze Viton Seats](https://shop.sourcena.com/lowres/detail/212VPR-20-3650.jpg)
2 Inch Pressure Relief Nipple Check Valve Bronze Viton Seats
Item No. 212VPR-20-3650
Mounted in fuel lines at the submersible pump to hold the prime and prevent premature tripping of mechanical leak detectors
![Brass Manual Relief Screw Assembly Brass Manual Relief Screw Assembly](https://shop.sourcena.com/lowres/detail/400629901.jpg)
Brass Manual Relief Screw Assembly
Item No. 400629901
Includes 400627001 retaining ring, 400616001 manual relief screw, 400333012 relief screw top O-ring, and 400333007 relief screw bottom O-ring
![2 Inch Nipple Check Valve With 25 Psi Expansion Relief 2 Inch Nipple Check Valve With 25 Psi Expansion Relief](https://shop.sourcena.com/lowres/detail/530-0100AV.jpg)
2 Inch Nipple Check Valve With 25 Psi Expansion Relief
Item No. 530-0100AV
One way check valve used to prevent backflow
![4 Inch X 15 Foot Straight Drop Tube 4 Inch X 15 Foot Straight Drop Tube](https://shop.sourcena.com/lowres/detail/61T-7368.jpg)
4 Inch X 15 Foot Straight Drop Tube
Item No. 61T-7368
Installed in the fill riser pipe to an underground storage tank
![Conduit Junction Box Conduit Junction Box](https://shop.sourcena.com/lowres/detail/108-496-5.jpg)
Conduit Junction Box
Item No. 108-496-5
Conduit junction box - single opening, 2 wire, 2 inch NPT
![2 Inch x 6 Foot CARB EVR Approved Aluminum Straight Drop Tube 2 Inch x 6 Foot CARB EVR Approved Aluminum Straight Drop Tube](https://shop.sourcena.com/lowres/detail/419-02061TEVR.jpg)
2 Inch x 6 Foot CARB EVR Approved Aluminum Straight Drop Tube
Item No. 419-02061TEVR
Directs product flow to liquid level when filling a storage tank
![4 Inch X 12 Foot Heavy Duty Drop Tube (2-Pack) 4 Inch X 12 Foot Heavy Duty Drop Tube (2-Pack)](https://shop.sourcena.com/lowres/detail/78220412-2.jpg)
4 Inch X 12 Foot Heavy Duty Drop Tube (2-Pack)
Item No. 78220412-2
Heavy wall model for increased durability