1/2 Inch Port
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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
![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
![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
![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 61SOC Series Single-Point Coaxial Non-Vaportight OPV Overfill Prevention Valve For Up To 8 Foot Diameter Tank With 5 Foot Burial 4 inch 61SOC Series Single-Point Coaxial Non-Vaportight OPV Overfill Prevention Valve For Up To 8 Foot Diameter Tank With 5 Foot Burial](https://shop.sourcena.com/lowres/detail/61SOC-4001.jpg)
4 inch 61SOC Series Single-Point Coaxial Non-Vaportight OPV Overfill Prevention Valve For Up To 8 Foot Diameter Tank With 5 Foot Burial
Item No. 61SOC-4001
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 61SOC Series Single-Point Coaxial Non-Vaportight OPV Overfill Prevention Valve For Up To 10 Foot Diameter Tank With 10 Foot Burial 4 inch 61SOC Series Single-Point Coaxial Non-Vaportight OPV Overfill Prevention Valve For Up To 10 Foot Diameter Tank With 10 Foot Burial](https://shop.sourcena.com/lowres/detail/61SOC-4011.jpg)
4 inch 61SOC Series Single-Point Coaxial Non-Vaportight OPV Overfill Prevention Valve For Up To 10 Foot Diameter Tank With 10 Foot Burial
Item No. 61SOC-4011
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 X 13 Foot Coaxial Fill Vapor Recovery Drop Tube 4 Inch X 13 Foot Coaxial Fill Vapor Recovery Drop Tube](https://shop.sourcena.com/lowres/nophoto.gif)
4 Inch X 13 Foot Coaxial Fill Vapor Recovery Drop Tube
Item No. 61TC-7270
The 61TC coaxial drop tube replaces the 61T conventional drop tube when Stage I vapor recovery is required and a vapor recovery riser pipe is not available on the tank or would require excavation to the top of the tank
![4 Inch X 16 Foot Coaxial Fill Vapor Recovery Drop Tube 4 Inch X 16 Foot Coaxial Fill Vapor Recovery Drop Tube](https://shop.sourcena.com/lowres/nophoto.gif)
4 Inch X 16 Foot Coaxial Fill Vapor Recovery Drop Tube
Item No. 61TC-7272
The 61TC coaxial drop tube replaces the 61T conventional drop tube when Stage I vapor recovery is required and a vapor recovery riser pipe is not available on the tank or would require excavation to the top of the tank
![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
![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
![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
![4 Inch X 4 Inch Fill Adapter Aluminum Top Seal 4 Inch X 4 Inch Fill Adapter Aluminum Top Seal](https://shop.sourcena.com/lowres/detail/633T-8075.jpg)
4 Inch X 4 Inch Fill Adapter Aluminum Top Seal
Item No. 633T-8075
Threads onto the 4 inch fill pipe of underground storage tanks to mate with top-seal delivery 4 inch elbow
![4 Inch X 4 Inch Anodized Aluminum Top-Seal Coaxial Vapor Recovery Fill Adapter 4 Inch X 4 Inch Anodized Aluminum Top-Seal Coaxial Vapor Recovery Fill Adapter](https://shop.sourcena.com/lowres/nophoto.gif)
4 Inch X 4 Inch Anodized Aluminum Top-Seal Coaxial Vapor Recovery Fill Adapter
Item No. 633TCP-3803
Coaxial Adapter features a poppeted vapor return path that opens only when connected to a fill elbow
![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
![3 Inch Bronze Fill Adapter Cap 3 Inch Bronze Fill Adapter Cap](https://shop.sourcena.com/lowres/nophoto.gif)
3 Inch Bronze Fill Adapter Cap
Item No. 724-3040
Threads onto the fill pipe by means of internal wrenching lugs. Compatible with Universal 731 and 733 caps. Compatible with E-85
![Isotrol Control Box With Relay Isotrol Control Box With Relay](https://shop.sourcena.com/lowres/detail/880-047-1.jpg)
Isotrol Control Box With Relay
Item No. 880-047-1
Isolates and protects individual dispensers from wiring shorts or phasing issues