Underground Storage Tank Equipment
Aboveground Storage Tank Equipment
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![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
![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 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 Swivel Adapter - Brass 4 Inch Fill Swivel Adapter - Brass](https://shop.sourcena.com/lowres/detail/SWF-100-B.jpg)
4 Inch Fill Swivel Adapter - Brass
Item No. SWF-100-B
Protects against fuel spills in the event of a piping break
![4 Inch Hydrostatic Sensor Vented Locking Riser Cap Installation Kit - Spare Replacement 4 Inch Hydrostatic Sensor Vented Locking Riser Cap Installation Kit - Spare Replacement](https://shop.sourcena.com/lowres/detail/TSP-KV4.jpg)
4 Inch Hydrostatic Sensor Vented Locking Riser Cap Installation Kit - Spare Replacement
Item No. TSP-KV4
Cap is compression-fit into a 4 inch riser opening on double wall fiberglass tank resevoir via a lever.
![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 Bronze Swivel Fill Adapter 4 Inch Bronze Swivel Fill Adapter](https://shop.sourcena.com/lowres/detail/61SALP-1020-EVR.jpg)
4 Inch Bronze Swivel Fill Adapter
Item No. 61SALP-1020-EVR
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 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
![4 Inch Evr Approved Tank Monitor Cap/Adapter With 3/8 Inch Port & Cable Connector 4 Inch Evr Approved Tank Monitor Cap/Adapter With 3/8 Inch Port & Cable Connector](https://shop.sourcena.com/lowres/detail/305XPA-0200AK.jpg)
4 Inch Evr Approved Tank Monitor Cap/Adapter With 3/8 Inch Port & Cable Connector
Item No. 305XPA-0200AK
Keeps water dirt and debris out of the tank prevents vapors from escaping
![4 Inch Brass Swivel Fill Adapter 4 Inch Female Npsm X 4 Inch Cam And Groove 4 Inch Brass Swivel Fill Adapter 4 Inch Female Npsm X 4 Inch Cam And Groove](https://shop.sourcena.com/lowres/detail/A0030-124S.jpg)
4 Inch Brass Swivel Fill Adapter 4 Inch Female Npsm X 4 Inch Cam And Groove
Item No. A0030-124S
Prevents accidental loosening of the adapter from the fill pipe