Check valve
Underground Storage Tank Equipment
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![4 Inch Grey EVR Duratuff Top-Seal Fill Cap (E85 Approved) 4 Inch Grey EVR Duratuff Top-Seal Fill Cap (E85 Approved)](https://shop.sourcena.com/lowres/detail/634TT-7085-EVR.jpg)
4 Inch Grey EVR Duratuff Top-Seal Fill Cap (E85 Approved)
Item No. 634TT-7085-EVR
Tight fill top seal cap is installed on top seal Adapters
![Check Valve With Spring (Red) Check Valve With Spring (Red)](https://shop.sourcena.com/lowres/detail/144-183-5.jpg)
Check Valve With Spring (Red)
Item No. 144-183-5
For spill containment and pressure relief of standard Red Jacket 4 inch submersible pumps
![4 Inch Brass Top Seal Tight Fill Adapter With Lugs 4 Inch Brass Top Seal Tight Fill Adapter With Lugs](https://shop.sourcena.com/lowres/detail/305L-0200AA.jpg)
4 Inch Brass Top Seal Tight Fill Adapter With Lugs
Item No. 305L-0200AA
EVR Approved used for fill ports and access to leak detection on fuel storage tanks
![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
![High Pressure Check Valve Kit For Red Jacket Stp And Variable Speed Stp High Pressure Check Valve Kit For Red Jacket Stp And Variable Speed Stp](https://shop.sourcena.com/lowres/detail/410153-002.jpg)
High Pressure Check Valve Kit For Red Jacket Stp And Variable Speed Stp
Item No. 410153-002
![4 Inch Nickel Plated E85 EVR Approved Fill Swivel Adapter 4 Inch Nickel Plated E85 EVR Approved Fill Swivel Adapter](https://shop.sourcena.com/lowres/detail/61SALP-MA.jpg)
4 Inch Nickel Plated E85 EVR Approved Fill Swivel Adapter
Item No. 61SALP-MA
The 61SA Swivel Adapter mates with 4 top-seal delivery elbows and features a top section that rotates with hose movement while the bottom section remains securely in place maintaining seal integrity
![4 Inch Nickel Plated E85 Evr Approved Vapor Recovery Swivel Adapter 4 Inch Nickel Plated E85 Evr Approved Vapor Recovery Swivel Adapter](https://shop.sourcena.com/lowres/detail/61VSA-MA.jpg)
4 Inch Nickel Plated E85 Evr Approved Vapor Recovery Swivel Adapter
Item No. 61VSA-MA
Nickel coated brass construction for durability, consistent swivel torque, and reliable vapor tight sealing
![3 Inch X 3 Inch Bronze Fill Pipe Adapter 3 Inch X 3 Inch Bronze Fill Pipe Adapter](https://shop.sourcena.com/lowres/detail/633T-8060.jpg)
3 Inch X 3 Inch Bronze Fill Pipe Adapter
Item No. 633T-8060
Threads onto the 3 Inch fill pipe of underground storage tanks to mate with top-seal delivery 3 inch elbow