Hayward Check Valve, 4 in, Single, Inline Wafer, PVC, Flange x Flange - WCV1400ES Nominal Size-36" X 1.25" they are essential

they are essential

Single Compartment Scullery Sink with Drainboard holds dirty or drying dishes and permits excess water to flow into sink

Has centrifugal switch

• Heat-treated aluminum doorjamb designed to withstand frontal impact

A theft-resistant spindle is available for purchase separately

Hayward Check Valve, 4 in, Single, Inline Wafer, PVC, Flange x Flange - WCV1400ES Nominal Size-36" X 1.25" they are essentialPVC Wafer Check Valves, Max. temp.: 140F Max. pressure: 150 psi at 70F,Innovative disc seat design allows for high flow rates and excellent sealing properties. Thermoplastic construction eliminates the need for spacers or specialty flanges. Horizontal or vertical mount. Suitable for use in corrosive environments, and in water and wastewater treatment and chemical processing applications.