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![18 Inch 104AOW Series Round Bolt-Down Watertight Cast Iron Monitoring Well Manhole With Cast Iron Ring and 11-1/4 Inch Tall Steel Skirt 18 Inch 104AOW Series Round Bolt-Down Watertight Cast Iron Monitoring Well Manhole With Cast Iron Ring and 11-1/4 Inch Tall Steel Skirt](https://shop.sourcena.com/lowres/detail/104AOW-1800.jpg)
18 Inch 104AOW Series Round Bolt-Down Watertight Cast Iron Monitoring Well Manhole With Cast Iron Ring and 11-1/4 Inch Tall Steel Skirt
Item No. 104AOW-1800
The OPW 104AOW Series Monitoring/Observation Well Manhole is designed to be installed at grade level over a slotted PVC monitoring well where limited access and clear identification are essential. A heavily ribbed cast iron cover and body ring ensure maximum load bearing capacity. Ring gasket prevents surface water contamination. Features DO NOT FILL Graphic Warning Statement is permanently cast into cover with black equilateral triangle inset into a white painted background in accordance with API Recommended Practices 1615. Secure cover with two recessed, self-aligning stainless steel bolts and O-rings to secure cover to the body ring. Gasket located in the ring prevents contamination from rain water or during washdown. Full-size internal diameter for maximum access and working area. Highway 20 Rated (H20). Rugged cast iron cover and body ring. Cast-in non-skid finish on cover. Sturdy, extra long steel skirt.
![18 Inch 104AOW Series Round Bolt-Down Watertight Cast Iron Monitoring Well Manhole With Cast Iron Ring and 19-1/4 Inch Tall Steel Skirt 18 Inch 104AOW Series Round Bolt-Down Watertight Cast Iron Monitoring Well Manhole With Cast Iron Ring and 19-1/4 Inch Tall Steel Skirt](https://shop.sourcena.com/lowres/detail/104AOW-1819.jpg)
18 Inch 104AOW Series Round Bolt-Down Watertight Cast Iron Monitoring Well Manhole With Cast Iron Ring and 19-1/4 Inch Tall Steel Skirt
Item No. 104AOW-1819
The OPW 104AOW Series Monitoring/Observation Well Manhole is designed to be installed at grade level over a slotted PVC monitoring well where limited access and clear identification are essential. A heavily ribbed cast iron cover and body ring ensure maximum load bearing capacity. Ring gasket prevents surface water contamination. Features DO NOT FILL Graphic Warning Statement is permanently cast into cover with black equilateral triangle inset into a white painted background in accordance with API Recommended Practices 1615. Secure cover with two recessed, self-aligning stainless steel bolts and O-rings to secure cover to the body ring. Gasket located in the ring prevents contamination from rain water or during washdown. Full-size internal diameter for maximum access and working area. Highway 20 Rated (H20). Rugged cast iron cover and body ring. Cast-in non-skid finish on cover. Sturdy, extra long steel skirt.
![1 1/2 Inch Buna Union Check Valve With Screen 1 1/2 Inch Buna Union Check Valve With Screen](https://shop.sourcena.com/lowres/detail/200AS-15.jpg)
1 1/2 Inch Buna Union Check Valve With Screen
Item No. 200AS-15
Easily inserted onto existing union fittings in suction systems
![2 Inch Swing Check Valve - Threaded Brass 2 Inch Swing Check Valve - Threaded Brass](https://shop.sourcena.com/lowres/detail/246A-0200AV.jpg)
2 Inch Swing Check Valve - Threaded Brass
Item No. 246A-0200AV
Designed to prevent backflow in horizontal piping systems. Swing check valve allow liquid to flow in a single direction
![2 Inch Swing Check Valve - Threaded Brass With Thermal Expansion Relief At 25 Psi 2 Inch Swing Check Valve - Threaded Brass With Thermal Expansion Relief At 25 Psi](https://shop.sourcena.com/lowres/detail/246A-0600AV.jpg)
2 Inch Swing Check Valve - Threaded Brass With Thermal Expansion Relief At 25 Psi
Item No. 246A-0600AV
Designed to prevent backflow in horizontal piping systems. Swing check valve allow liquid to flow in a single direction
![2 Inch Threaded Ductile Iron Swing Check Valve 2 Inch Threaded Ductile Iron Swing Check Valve](https://shop.sourcena.com/lowres/nophoto.gif)
2 Inch Threaded Ductile Iron Swing Check Valve
Item No. 246ADI-0500AV
Designed to prevent backflow in horizontal piping systems. Swing check valve allow liquid to flow in a single direction
![39-1/2 Inch Fiberglass Composite Plain Grey Cove Bolt-Down Manhole With Recessed Handle 10 Inch Skirt 39-1/2 Inch Fiberglass Composite Plain Grey Cove Bolt-Down Manhole With Recessed Handle 10 Inch Skirt](https://shop.sourcena.com/lowres/nophoto.gif)
39-1/2 Inch Fiberglass Composite Plain Grey Cove Bolt-Down Manhole With Recessed Handle 10 Inch Skirt
Item No. 39CD-WT10
Lightweight and extremely durable composite cover manhole makes sump access safer and easier
![Brass Manual Relief Screw Assembly Brass Manual Relief Screw Assembly](https://shop.sourcena.com/lowres/detail/400629901.jpg)
Brass Manual Relief Screw Assembly
Item No. 400629901
Includes 400627001 retaining ring, 400616001 manual relief screw, 400333012 relief screw top O-ring, and 400333007 relief screw bottom O-ring
![Monitor Well Manhole 12 Inch X 12 Inch Bolt Down White Ductile Lid Poly Skirt Monitor Well Manhole 12 Inch X 12 Inch Bolt Down White Ductile Lid Poly Skirt](https://shop.sourcena.com/lowres/nophoto.gif)
Monitor Well Manhole 12 Inch X 12 Inch Bolt Down White Ductile Lid Poly Skirt
Item No. A0721-001
Painted ductile iron lid and rim polyethylene skirt
![Monitor Well Manhole 12 Inch X 19 Inch Bolt Down White Ductile Lid Steel Skirt Monitor Well Manhole 12 Inch X 19 Inch Bolt Down White Ductile Lid Steel Skirt](https://shop.sourcena.com/lowres/detail/A0721-119.jpg)
Monitor Well Manhole 12 Inch X 19 Inch Bolt Down White Ductile Lid Steel Skirt
Item No. A0721-119
19 Inch Overall Height, 9.4 Inch Clearhole ID, 15.1 Inch Max Diameter
![12 Inch 104AOW Series Round Bolt-Down Watertight Cast Iron Monitoring Well Manhole With Cast Iron Ring and 11-1/4 Inch Tall Steel Skirt 12 Inch 104AOW Series Round Bolt-Down Watertight Cast Iron Monitoring Well Manhole With Cast Iron Ring and 11-1/4 Inch Tall Steel Skirt](https://shop.sourcena.com/lowres/detail/104AOW-1200.jpg)
12 Inch 104AOW Series Round Bolt-Down Watertight Cast Iron Monitoring Well Manhole With Cast Iron Ring and 11-1/4 Inch Tall Steel Skirt
Item No. 104AOW-1200
The OPW 104AOW Series Monitoring/Observation Well Manhole is designed to be installed at grade level over a slotted PVC monitoring well where limited access and clear identification are essential. A heavily ribbed cast iron cover and body ring ensure maximum load bearing capacity. Ring gasket prevents surface water contamination. Features DO NOT FILL Graphic Warning Statement is permanently cast into cover with black equilateral triangle inset into a white painted background in accordance with API Recommended Practices 1615. Secure cover with two recessed, self-aligning stainless steel bolts and O-rings to secure cover to the body ring. Gasket located in the ring prevents contamination from rain water or during washdown. Full-size internal diameter for maximum access and working area. Highway 20 Rated (H20). Rugged cast iron cover and body ring. Cast-in non-skid finish on cover. Sturdy, extra long steel skirt.
![3 Inch Swing Check Valve - Threaded Brass 3 Inch Swing Check Valve - Threaded Brass](https://shop.sourcena.com/lowres/detail/246A-0400AV.jpg)
3 Inch Swing Check Valve - Threaded Brass
Item No. 246A-0400AV
Designed to prevent backflow in horizontal piping systems. Swing check valve allow liquid to flow in a single direction
![8 Inch 104AOW Series Round Bolt-Down Watertight Cast Iron Monitoring Well Manhole With Cast Iron Ring and 11-1/4 Inch Tall Steel Skirt 8 Inch 104AOW Series Round Bolt-Down Watertight Cast Iron Monitoring Well Manhole With Cast Iron Ring and 11-1/4 Inch Tall Steel Skirt](https://shop.sourcena.com/lowres/detail/104AOW-0800.jpg)
8 Inch 104AOW Series Round Bolt-Down Watertight Cast Iron Monitoring Well Manhole With Cast Iron Ring and 11-1/4 Inch Tall Steel Skirt
Item No. 104AOW-0800
The OPW 104AOW Series Monitoring/Observation Well Manhole is designed to be installed at grade level over a slotted PVC monitoring well where limited access and clear identification are essential. A heavily ribbed cast iron cover and body ring ensure maximum load bearing capacity. Ring gasket prevents surface water contamination. Features DO NOT FILL Graphic Warning Statement is permanently cast into cover with black equilateral triangle inset into a white painted background in accordance with API Recommended Practices 1615. Secure cover with two recessed, self-aligning stainless steel bolts and O-rings to secure cover to the body ring. Gasket located in the ring prevents contamination from rain water or during washdown. Full-size internal diameter for maximum access and working area. Highway 20 Rated (H20). Rugged cast iron cover and body ring. Cast-in non-skid finish on cover. Sturdy, extra long steel skirt.
![40 Inch Diameter Black Flat Sealed Cover And Composite Frame 40 Inch Diameter Black Flat Sealed Cover And Composite Frame](https://shop.sourcena.com/lowres/detail/FL100BLACK-FC-KIT.jpg)
40 Inch Diameter Black Flat Sealed Cover And Composite Frame
Item No. FL100BLACK-FC-KIT
Cover is watertight non-bolted and lightweight for easy removal with handle FL7-A
![18 Inch Round Raintight Bolt-Down Steel Diamond Plate Manhole With 10 Inch Tall Galvanized Steel Skirt 18 Inch Round Raintight Bolt-Down Steel Diamond Plate Manhole With 10 Inch Tall Galvanized Steel Skirt](https://shop.sourcena.com/lowres/detail/98-1810.jpg)
18 Inch Round Raintight Bolt-Down Steel Diamond Plate Manhole With 10 Inch Tall Galvanized Steel Skirt
Item No. 98-1810
- 3/8 inch steel diamond plate cover with 18 gauge galvanized skirt, Buna-N gasket, and (2) flush-mount bolts.
![44-1/4 Inch Fiberglass Composite Plain Grey Cove Bolt-Down Manhole With Recessed Handle 10 Inch Skirt 44-1/4 Inch Fiberglass Composite Plain Grey Cove Bolt-Down Manhole With Recessed Handle 10 Inch Skirt](https://shop.sourcena.com/lowres/detail/44CD-WT10.jpg)
44-1/4 Inch Fiberglass Composite Plain Grey Cove Bolt-Down Manhole With Recessed Handle 10 Inch Skirt
Item No. 44CD-WT10
Lightweight and extremely durable composite cover manhole makes sump access safer and easier