Hayward Check Valve, 3 in, Single, Inline True Union, PVC, Socket x Socket - TC1300S Drinking Fountains This unit is insulated and

This unit is insulated and jacketed for protection against weather (UV-resistant orange ABS plastic jacket with removable polyethylene foam insulation) - heating is controlled by thermostat that shuts heat off when ambient temperature is over 50°F

dilute acids

Speakman SE-572 Laboratory Eyewash

2-1/4" hub rings

Hayward Check Valve, 3 in, Single, Inline True Union, PVC, Socket x Socket - TC1300S Drinking Fountains This unit is insulated andDesigned to help prevent the reversal of flow in piping systems where backflow could cause damage to filters, pumps, or process equipment. This HAYWARD check valve operates without the need for any adjustments or settings, and features an innovative square cut elastomer seat to seal at low back pressures. The true union design eases valve removal from piping systems without having to break down the pipe connections.