Underground Storage Tank Equipment
Aboveground 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
![2 Inch Fill Cap & Adapter - Brass Body Iron Cap 2 Inch Fill Cap & Adapter - Brass Body Iron Cap](https://shop.sourcena.com/lowres/detail/178-0300AC.jpg)
2 Inch Fill Cap & Adapter - Brass Body Iron Cap
Item No. 178-0300AC
Designed for tank filling applications where a tight fill connection is not required. Adapter permeanetly threads onto riser pipe of fill nipple then cap threads onto Adapter
![2 Inch Aluminum Hinged Style Fill Cap Female Thread 2 Inch Aluminum Hinged Style Fill Cap Female Thread](https://shop.sourcena.com/lowres/detail/179-0100AC.jpg)
2 Inch Aluminum Hinged Style Fill Cap Female Thread
Item No. 179-0100AC
All aluminum construction
![2 Inch Aluminum Hinged Style Fill Cap Male Thread 2 Inch Aluminum Hinged Style Fill Cap Male Thread](https://shop.sourcena.com/lowres/detail/179M-0100AC.jpg)
2 Inch Aluminum Hinged Style Fill Cap Male Thread
Item No. 179M-0100AC
All aluminum construction
![1-1/2 Inch Female NPT x 1 Inch Shorty Offset Adapter 1-1/2 Inch Female NPT x 1 Inch Shorty Offset Adapter](https://shop.sourcena.com/lowres/detail/303-1510.jpg)
1-1/2 Inch Female NPT x 1 Inch Shorty Offset Adapter
Item No. 303-1510
Compensates for misalignment of dispenser suction stub and dispenser boxes.
![1-1/2 Inch Female NPT x 1-1/2 Inch Shorty Offset Adapter 1-1/2 Inch Female NPT x 1-1/2 Inch Shorty Offset Adapter](https://shop.sourcena.com/lowres/detail/303-1515.jpg)
1-1/2 Inch Female NPT x 1-1/2 Inch Shorty Offset Adapter
Item No. 303-1515
Compensates for misalignment of dispenser suction stub and dispenser boxes.
![1-1/2 Inch Female NPT x 2 Inch Shorty Offset Adapter 1-1/2 Inch Female NPT x 2 Inch Shorty Offset Adapter](https://shop.sourcena.com/lowres/detail/303-1520.jpg)
1-1/2 Inch Female NPT x 2 Inch Shorty Offset Adapter
Item No. 303-1520
Compensates for misalignment of dispenser suction stub and dispenser boxes.
![1-1/2 Inch Female NPT x 2-1/2 Inch Shorty Offset Adapter 1-1/2 Inch Female NPT x 2-1/2 Inch Shorty Offset Adapter](https://shop.sourcena.com/lowres/detail/303-1525.jpg)
1-1/2 Inch Female NPT x 2-1/2 Inch Shorty Offset Adapter
Item No. 303-1525
Compensates for misalignment of dispenser suction stub and dispenser boxes.
![1-1/2 Inch Female NPT x 3 Inch Shorty Offset Adapter 1-1/2 Inch Female NPT x 3 Inch Shorty Offset Adapter](https://shop.sourcena.com/lowres/detail/303-1530.jpg)
1-1/2 Inch Female NPT x 3 Inch Shorty Offset Adapter
Item No. 303-1530
Compensates for misalignment of dispenser suction stub and dispenser boxes.
![1-1/2 Inch Female NPT x 3-1/2 Inch Shorty Offset Adapter 1-1/2 Inch Female NPT x 3-1/2 Inch Shorty Offset Adapter](https://shop.sourcena.com/lowres/nophoto.gif)
1-1/2 Inch Female NPT x 3-1/2 Inch Shorty Offset Adapter
Item No. 303-1535
Compensates for misalignment of dispenser suction stub and dispenser boxes.
![4 Inch Tank Monitoring Cap/Adapter Combination With 3/8 Inch Hole 4 Inch Tank Monitoring Cap/Adapter Combination With 3/8 Inch Hole](https://shop.sourcena.com/lowres/nophoto.gif)
4 Inch Tank Monitoring Cap/Adapter Combination With 3/8 Inch Hole
Item No. 305XPA-0100AK
Keeps water dirt and debris out of the tank prevents vapors from escaping
![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 3/8 Inch Threaded Porthole And Cable Connector 2 Inch Tank Monitor Cap & Adapter With 3/8 Inch Threaded Porthole And Cable Connector](https://shop.sourcena.com/lowres/detail/305XPA-2200AK.jpg)
2 Inch Tank Monitor Cap & Adapter With 3/8 Inch Threaded Porthole And Cable Connector
Item No. 305XPA-2200AK
Combination cap and Adapter kit for leak detection systems
![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
![Replacement 4 Inch Gasket For 305C Series Cap Replacement 4 Inch Gasket For 305C Series Cap](https://shop.sourcena.com/lowres/detail/305XPU-01052G.jpg)
Replacement 4 Inch Gasket For 305C Series Cap
Item No. 305XPU-01052G
Used to replace missing or damaged gaskets on the 305c series caps
![4 Inch Side Seal Cap 4 Inch Side Seal Cap](https://shop.sourcena.com/lowres/detail/405C-0100AC.jpg)
4 Inch Side Seal Cap
Item No. 405C-0100AC
Used for fill ports and access to leak detection on fuel storage tanks
![4 Inch Aluminum Tank Monitor Cap And Adapter 3/8 Inch Grommet 4 Inch Aluminum Tank Monitor Cap And Adapter 3/8 Inch Grommet](https://shop.sourcena.com/lowres/detail/62M-0375.jpg)
4 Inch Aluminum Tank Monitor Cap And Adapter 3/8 Inch Grommet
Item No. 62M-0375
The 62M Monitoring Probe & Adapter Kit includes a 4 inch side-sealing Adapter 4 inch side-sealing cap (tapped) and a 3/8 inch wire grommet to secure the cable from an electronic tank gauge probe in the tank riser pipe
![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
![4 Inch Fill Cap Top Seal Low Profile (E85 Approved) 4 Inch Fill Cap Top Seal Low Profile (E85 Approved)](https://shop.sourcena.com/lowres/detail/634LPC-0400.jpg)
4 Inch Fill Cap Top Seal Low Profile (E85 Approved)
Item No. 634LPC-0400
Designed for tight installations where clearance between top of fill Adapter and spill container cover are limited
![3 Inch Duratuff Single Lever Action Top-Seal Cap 3 Inch Duratuff Single Lever Action Top-Seal Cap](https://shop.sourcena.com/lowres/detail/634TE-7085.jpg)
3 Inch Duratuff Single Lever Action Top-Seal Cap
Item No. 634TE-7085
Single lever action top seal cap is designed to mate with 3 inch OPW 633T top seal Adapters
![4 Inch Metal Top-Seal Fill Cap 4 Inch Metal Top-Seal Fill Cap](https://shop.sourcena.com/lowres/detail/634TT-4000.jpg)
4 Inch Metal Top-Seal Fill Cap
Item No. 634TT-4000
Metal top seal cap with the same dimensions as the 634TT-7085