3/8 Inch Port
Underground Storage Tank Equipment
Narrow Your Results
Mfr / Trade Name
Category - Main
Manholes & Spill Containers
Caps & Adapters
Valves, Drop Tubes & Vents
Type
Composition
Size
Tank Diameter
- List View
- Gallery View
Page of 1 |
![4 Inch Probe Cap With 3/8 Inch Grommet 4 Inch Probe Cap With 3/8 Inch Grommet](https://shop.sourcena.com/lowres/detail/116M-0375.jpg)
4 Inch Probe Cap With 3/8 Inch Grommet
Item No. 116M-0375
Drilled and tapped to accept 3/8 Inch wire grommet to secure an electronic tang gauge probe in a tank riser pipe
![Replacement Drain Plug Kit For 1-2100 Series Manholes Replacement Drain Plug Kit For 1-2100 Series Manholes](https://shop.sourcena.com/lowres/detail/1DP-2100.jpg)
Replacement Drain Plug Kit For 1-2100 Series Manholes
Item No. 1DP-2100
Designed to eliminate the problems associated with water entering grade level spill containers
![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
![Aluminum 4 Inch Tank Monitor Cap With 3/8 Inch, EVR Approved Aluminum 4 Inch Tank Monitor Cap With 3/8 Inch, EVR Approved](https://shop.sourcena.com/lowres/detail/305XP-0100ACEVR.jpg)
Aluminum 4 Inch Tank Monitor Cap With 3/8 Inch, EVR Approved
Item No. 305XP-0100ACEVR
Aluminum 4 inch threaded port hole 3/8 inch, 2 pound
![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
![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 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
![Jack Screw Kit For Composite Base Jack Screw Kit For Composite Base](https://shop.sourcena.com/lowres/detail/61JSK-4410.jpg)
Jack Screw Kit For Composite Base
Item No. 61JSK-4410
Allows liquid in the spill containment to drain directly into the drop tube
![Jack Screw Kit For Cast Iron Base Jack Screw Kit For Cast Iron Base](https://shop.sourcena.com/lowres/detail/61JSK-44CB.jpg)
Jack Screw Kit For Cast Iron Base
Item No. 61JSK-44CB
Allows liquid in the spill containment to drain directly into the drop tube
![4 inch 61SOR Series Dual-Point Non-Vaportight Remote Fill OPV Overfill Prevention Valve For Up To 8 Foot Diameter Tank 4 inch 61SOR Series Dual-Point Non-Vaportight Remote Fill OPV Overfill Prevention Valve For Up To 8 Foot Diameter Tank](https://shop.sourcena.com/lowres/detail/61SOR-4000.jpg)
4 inch 61SOR Series Dual-Point Non-Vaportight Remote Fill OPV Overfill Prevention Valve For Up To 8 Foot Diameter Tank
Item No. 61SOR-4000
The OPW 61SO Overfill Prevention Valve is a 2-Stage Shut-off Valve designed to prevent the overfill of Underground Storage Tanks by providing a positive shut-off of product delivery. When the liquid level rises to about 95 Percent of tank capacity, the valve automatically slows flow. If the delivery is not stopped and liquid rises to about 98 Percent of tank capacity, the valve closes completely and liquid cannot flow.
![4 inch 61SOR Series Dual-Point Remote Fill OPV Overfill Prevention Valve For Up To 8 Foot Diameter Tank 4 inch 61SOR Series Dual-Point Remote Fill OPV Overfill Prevention Valve For Up To 8 Foot Diameter Tank](https://shop.sourcena.com/lowres/detail/61SOR-400C.jpg)
4 inch 61SOR Series Dual-Point Remote Fill OPV Overfill Prevention Valve For Up To 8 Foot Diameter Tank
Item No. 61SOR-400C
The OPW 61SO Overfill Prevention Valve is a 2-Stage Shut-off Valve designed to prevent the overfill of Underground Storage Tanks by providing a positive shut-off of product delivery. When the liquid level rises to about 95 Percent of tank capacity, the valve automatically slows flow. If the delivery is not stopped and liquid rises to about 98 Percent of tank capacity, the valve closes completely and liquid cannot flow.
![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 EVR Approved Tank Monitor Cap With 3/8 Inch Threaded Porthole And Cable Connector 4 Inch EVR Approved Tank Monitor Cap With 3/8 Inch Threaded Porthole And Cable Connector](https://shop.sourcena.com/lowres/detail/305XP-0200ACEVR.jpg)
4 Inch EVR Approved Tank Monitor Cap With 3/8 Inch Threaded Porthole And Cable Connector
Item No. 305XP-0200ACEVR
![2 Inch EVR Approved Tank Monitor Cap and Adapter With 3/8 Inch Threaded Porthole 2 Inch EVR Approved Tank Monitor Cap and Adapter With 3/8 Inch Threaded Porthole](https://shop.sourcena.com/lowres/detail/305XPA-2200AKEVR.jpg)
2 Inch EVR Approved Tank Monitor Cap and Adapter With 3/8 Inch Threaded Porthole
Item No. 305XPA-2200AKEVR
- Comes with a 3/8 inch cable connector port
![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