1/2 Inch Port
Underground Storage Tank Equipment
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![3 Inch Cap Vapor Recovery Low Profile (E85 Approved) 3 Inch Cap Vapor Recovery Low Profile (E85 Approved)](https://shop.sourcena.com/lowres/detail/1711LPC-0300.jpg)
3 Inch Cap Vapor Recovery Low Profile (E85 Approved)
Item No. 1711LPC-0300
When engaged the locking cap adds only 1/2 inch to the final height of Adapter
![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
![4 Inch EVR Approved Tank Monitor Cap With 1/2 Inch Threaded Porthole And Cable Connector 4 Inch EVR Approved Tank Monitor Cap With 1/2 Inch Threaded Porthole And Cable Connector](https://shop.sourcena.com/lowres/detail/305XP-1200ACEVR.jpg)
4 Inch EVR Approved Tank Monitor Cap With 1/2 Inch Threaded Porthole And Cable Connector
Item No. 305XP-1200ACEVR
Used for fill ports and access to leak detection on fuel storage tanks
![4 Inch Evr Approved Tank Monitoring Cap/Adapter Combination With 1/2 Inch Hole 4 Inch Evr Approved Tank Monitoring Cap/Adapter Combination With 1/2 Inch Hole](https://shop.sourcena.com/lowres/detail/305XPA-1100AK.jpg)
4 Inch Evr Approved Tank Monitoring Cap/Adapter Combination With 1/2 Inch Hole
Item No. 305XPA-1100AK
Keeps water dirt and debris out of the tank prevents vapors from escaping
![2 Inch Tank Monitor Cap & Adapter With 1/2 Inch Port & Cable Connector 2 Inch Tank Monitor Cap & Adapter With 1/2 Inch Port & Cable Connector](https://shop.sourcena.com/lowres/detail/305XPA-2400AK.jpg)
2 Inch Tank Monitor Cap & Adapter With 1/2 Inch Port & Cable Connector
Item No. 305XPA-2400AK
Keeps water dirt and debris out of the tank prevents vapors from escaping
![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 Aluminum Tank Monitor Cap And Adapter 1/2 Inch Grommet 4 Inch Aluminum Tank Monitor Cap And Adapter 1/2 Inch Grommet](https://shop.sourcena.com/lowres/detail/62M-0500.jpg)
4 Inch Aluminum Tank Monitor Cap And Adapter 1/2 Inch Grommet
Item No. 62M-0500
The 62M Monitoring Probe & Adapter Kit includes a 4 inch side-sealing Adapter 4 inch side-sealing cap (tapped) and a 1/2 inch wire grommet to secure the cable from an electronic tank gauge probe in the tank riser pipe
![UNLEADED REGULAR Storage Tank Spill Container ID Collar UNLEADED REGULAR Storage Tank Spill Container ID Collar](https://shop.sourcena.com/lowres/detail/U-TC-3.jpg)
UNLEADED REGULAR Storage Tank Spill Container ID Collar
Item No. U-TC-3
Black text on White background
![DIESEL OFF ROAD Storage Tank Spill Container ID Collar DIESEL OFF ROAD Storage Tank Spill Container ID Collar](https://shop.sourcena.com/lowres/detail/U-TC-38.jpg)
DIESEL OFF ROAD Storage Tank Spill Container ID Collar
Item No. U-TC-38
- Helps to prevent confusion and reduce mistakes.
![UNLEADED PREMIUM Storage Tank Spill Container ID Collar UNLEADED PREMIUM Storage Tank Spill Container ID Collar](https://shop.sourcena.com/lowres/detail/U-TC-4.jpg)
UNLEADED PREMIUM Storage Tank Spill Container ID Collar
Item No. U-TC-4
Red text on White background
![E85 Storage Tank Spill Container ID Collar E85 Storage Tank Spill Container ID Collar](https://shop.sourcena.com/lowres/detail/U-TC-40.jpg)
E85 Storage Tank Spill Container ID Collar
Item No. U-TC-40
Brown text on White background
![Unleaded Premium ARCO Gasoline Storage Tank Spill Container ID Collar Unleaded Premium ARCO Gasoline Storage Tank Spill Container ID Collar](https://shop.sourcena.com/lowres/nophoto.gif)
Unleaded Premium ARCO Gasoline Storage Tank Spill Container ID Collar
Item No. U-TC-500C-ARCOPREMIUM
Red text on White background
![Unleaded Regular ARCO Gasoline Storage Tank Spill Container ID Collar Unleaded Regular ARCO Gasoline Storage Tank Spill Container ID Collar](https://shop.sourcena.com/lowres/nophoto.gif)
Unleaded Regular ARCO Gasoline Storage Tank Spill Container ID Collar
Item No. U-TC-500C-ARCOREGULAR
Black text on White background
![DIESEL Storage Tank Spill Container ID Collar DIESEL Storage Tank Spill Container ID Collar](https://shop.sourcena.com/lowres/detail/U-TC-7.jpg)
DIESEL Storage Tank Spill Container ID Collar
Item No. U-TC-7
Black text on Yellow background
![4 Inch Tank Monitor Cap & Adapter With 1/2 Inch Threaded Porthole & Cable Connector 4 Inch Tank Monitor Cap & Adapter With 1/2 Inch Threaded Porthole & Cable Connector](https://shop.sourcena.com/lowres/detail/305XPA-1200AK.jpg)
4 Inch Tank Monitor Cap & Adapter With 1/2 Inch Threaded Porthole & Cable Connector
Item No. 305XPA-1200AK
Keeps water dirt and debris out of the tank prevents vapors from escaping
![4 Inch Evr Approved Tank Monitor Cap & Adapter Kit With 1/2 Inch Connector 4 Inch Evr Approved Tank Monitor Cap & Adapter Kit With 1/2 Inch Connector](https://shop.sourcena.com/lowres/detail/305XPA-1100AKEVR.jpg)
4 Inch Evr Approved Tank Monitor Cap & Adapter Kit With 1/2 Inch Connector
Item No. 305XPA-1100AKEVR
Combination cap and Adapter kit for leak detection systems
![DIESEL #2 ARCO DIESEL Storage Tank Spill Container ID Collar DIESEL #2 ARCO DIESEL Storage Tank Spill Container ID Collar](https://shop.sourcena.com/lowres/detail/U-TC-500C-ARCODIESEL%232.jpg)
DIESEL #2 ARCO DIESEL Storage Tank Spill Container ID Collar
Item No. U-TC-500C-ARCODIESEL#2
Black text on Yellow background
![3 Inch Low Profile Orange Vapor Adapter Cap 3 Inch Low Profile Orange Vapor Adapter Cap](https://shop.sourcena.com/lowres/detail/A0099-004LP.jpg)
3 Inch Low Profile Orange Vapor Adapter Cap
Item No. A0099-004LP
Designed for use when there is limited space between the top of the adapter and the spill containment lid