Zoeller 30-0041 50 psi PVC 2-Port Check Valve, 1-1/2"

The Zoeller 30-0041 is a 1-1/2-inch 2-port check valve designed to control flow direction and quiet plumbing systems. It serves homeowners and installers dealing with disruptive pipe vibration or noisy pump cycling. Built with a PVC body and compression end fittings, it provides a dedicated solution for managing discharge lines.

A key feature is its internal 1/2-pound (0.23 kg) spring mechanism, which stops water hammer and reduces motor and pump sound throughout your plumbing setup. The interior uses a full-flow, non-clog design, allowing waste and water to pass freely without catching debris. It also offers mounting versatility, functioning properly in both horizontal and vertical positions.

Because this model is built with 1-1/2-inch compression fittings and a maximum rating of 50 psi, it will not suit larger pipe sizes or higher-pressure systems without extra adapters. The listing also does not include details on chemical compatibility or fluid temperature limits.

Verdict: The Zoeller 30-0041 is a reliable pick for anyone looking to eliminate water hammer and quiet down a 1-1/2-inch pump line. It is best suited for standard residential setups needing flexible horizontal or vertical orientation.

• Size: 1-1/2 inches
• Pressure Rating: 50 psi
• Spring Weight: 1/2 lb (0.23 kg)
• Material: PVC body with compression end fittings
• Orientation: Horizontal and vertical
• Ports: 2-port

A great fit if you:

• Need to stop water hammer in a 1-1/2-inch pipe setup
• Want to dampen motor and pump noise in your plumbing system
• Require a valve that installs either vertically or horizontally
• Prefer a full-flow, non-clog valve design with compression fittings

Consider something else if you:

• Have plumbing lines larger or smaller than 1-1/2 inches
• Operate a system requiring a pressure rating above 50 psi

Can this check valve be installed horizontally?
Yes, it is designed to work in both horizontal and vertical orientations.

What is the maximum pressure rating for this valve?
It has a listed pressure rating of 50 psi.

How does this unit stop pipe banging?
It uses a 1/2-pound (0.23 kg) spring mechanism built to eliminate water hammer and reduce pump noise.