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![Check Valve With Spring (Red) Check Valve With Spring (Red)](https://shop.sourcena.com/lowres/detail/144-183-5.jpg)
Check Valve With Spring (Red)
Item No. 144-183-5
For spill containment and pressure relief of standard Red Jacket 4 inch submersible pumps
![High Pressure Check Valve Kit For Red Jacket Stp And Variable Speed Stp High Pressure Check Valve Kit For Red Jacket Stp And Variable Speed Stp](https://shop.sourcena.com/lowres/detail/410153-002.jpg)
High Pressure Check Valve Kit For Red Jacket Stp And Variable Speed Stp
Item No. 410153-002
![44-1/4 Inch Fiberglass Composite Plain Grey Cover Roto-Lock Manhole With Recessed Handle 10 Inch Skirt 44-1/4 Inch Fiberglass Composite Plain Grey Cover Roto-Lock Manhole With Recessed Handle 10 Inch Skirt](https://shop.sourcena.com/lowres/detail/44CD-RL10.jpg)
44-1/4 Inch Fiberglass Composite Plain Grey Cover Roto-Lock Manhole With Recessed Handle 10 Inch Skirt
Item No. 44CD-RL10
Lightweight and extremely durable composite cover manhole makes sump access safer and easier
![2 Inch NPT Thread-On Aluminum Pressure Vacuum Vent 2-1/2 - 6 Inch Range Water Column Pressure 6 - 10 Inch Range Vacuum 2 Inch NPT Thread-On Aluminum Pressure Vacuum Vent 2-1/2 - 6 Inch Range Water Column Pressure 6 - 10 Inch Range Vacuum](https://shop.sourcena.com/lowres/detail/A0084-038.jpg)
2 Inch NPT Thread-On Aluminum Pressure Vacuum Vent 2-1/2 - 6 Inch Range Water Column Pressure 6 - 10 Inch Range Vacuum
Item No. A0084-038
Is an internal pressure vacuum valve that restricts vaopr escape during product drops.
![2 Inch O-Ring Seal Pressure Vacuum Vent 2 Inch O-Ring Seal Pressure Vacuum Vent](https://shop.sourcena.com/lowres/detail/80230302.jpg)
2 Inch O-Ring Seal Pressure Vacuum Vent
Item No. 80230302
Vent rates of 8000 cubic feet per hour and vent at 13.8 in WC of pressure and 0.8 in WC of vacuum.
![3 Inch Thread-On 2-1/2 Inch To 6 Inch Water Column Pressure Vacuum Vent 3 Inch Thread-On 2-1/2 Inch To 6 Inch Water Column Pressure Vacuum Vent](https://shop.sourcena.com/lowres/detail/623V-3203.jpg)
3 Inch Thread-On 2-1/2 Inch To 6 Inch Water Column Pressure Vacuum Vent
Item No. 623V-3203
Pressure Vacuum Vents are installed on the top of vent pipes from underground or above ground fuel storage tanks
![2 Inch Thread-On 2-1/2 Inch To 6 Inch Water Column Pressure Vacuum Vent 2 Inch Thread-On 2-1/2 Inch To 6 Inch Water Column Pressure Vacuum Vent](https://shop.sourcena.com/lowres/detail/623V-2203.jpg)
2 Inch Thread-On 2-1/2 Inch To 6 Inch Water Column Pressure Vacuum Vent
Item No. 623V-2203
Pressure Vacuum Vents are installed on the top of vent pipes from underground or above ground fuel storage tanks
![2 Inch Pressure Vacuum Vent Slip On 8 Ounce Pressure 1/2 Ounce Vacuum 2 Inch Pressure Vacuum Vent Slip On 8 Ounce Pressure 1/2 Ounce Vacuum](https://shop.sourcena.com/lowres/detail/523V-1150.jpg)
2 Inch Pressure Vacuum Vent Slip On 8 Ounce Pressure 1/2 Ounce Vacuum
Item No. 523V-1150
Factory preset and tested settings