Wadoy SSCV005 1-1/2" Silent Check Valve, CV150, Clear Body
Product description
For a sump pump setup that needs backflow control and a quieter closing action, the Wadoy CV150 combines a spring-loaded flapper with a visible valve body. It is designed for 1-1/2-inch PVC pipe and fits 5-1/8-inch clearance. Choose it when you want to see the valve’s operation as well as manage water returning through the line. Its couplings and clamps are intended to make installation straightforward.
Getting the most from it

Install the valve in a 1-1/2-inch PVC sump-pump line, following the included instructions. Rubber couplings and steel clamps connect it in place, and installation can be done with a screwdriver. Once installed, the clear body makes it easier to observe the valve’s working status and check the line visually. That visibility is useful when keeping an eye on a sump-pump setup is part of routine home maintenance.


The spring-loaded, angled flapper allows water to move in the intended direction while helping reduce water-hammer noise as the pump runs. When the pump stops, the valve’s one-way action helps prevent water from flowing back towards the pump. This makes it a practical choice when you want backflow control alongside a quieter pump-line setup, rather than a valve focused only on one-way flow.

Specifications
- Type: Lift check valve
- Model: SSCV005
- Pipe size: 1-1/2-inch PVC
- Clearance: 5-1/8 inches
- Inlet and outlet size: 1.5 inches
- Valve body: ABS plastic
- Couplings: Buna-N rubber
- Clamps: Steel
- Dimensions: 7.6 x 7.6 x 21.3 centimetres



Benefits
Backflow prevention is the central job of this valve. Its one-way flow design helps stop water from returning to the sump pump after it shuts off, addressing a common concern in pump installations. The spring-loaded flapper also helps reduce water-hammer noise during operation, while the visible body gives you a direct view of the valve’s status. These features bring practical monitoring and flow control together in one component.

Buyers commonly highlight that the valve is easy to install and quieter in operation, including for pipe-clicking concerns. Those comments reflect customer impressions, the design features that support the quieter action are the spring-loaded flapper and its angled closing motion. Compared with a basic check valve chosen for flow control alone, this model may suit a setup where visibility and noise reduction matter alongside backflow prevention.


Practical questions

What pipe is this valve designed for? It is designed for 1-1/2-inch PVC pipe and fits 5-1/8-inch clearance. Its inlet and outlet are both 1.5 inches.
How does it help prevent backflow? The valve allows one-way flow. When the pump stops, the spring-loaded flapper helps prevent water from flowing back towards the pump.

What helps with installation? The package includes rubber couplings, steel clamps and detailed installation instructions. A screwdriver is used to install it.
When it makes sense
Choose the Wadoy CV150 for a 1-1/2-inch PVC sump-pump line when you want backflow control, a visible valve body and a flapper designed to help reduce water-hammer noise. It suits installations where checking valve operation at a glance is useful, while the included couplings, clamps and instructions support a practical setup. If you are weighing a basic one-way valve against one that also offers visual monitoring and quieter closing, this model brings those needs together.
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