and the doors are marked with an international graphic symbol to alert users to the unit's purpose

Guardian G3602LF-CAB Exposed Cabinet for G3600LF

LWTLA14 REFRIG SIDE ONLY

View port in door with Dial thermometer (range 0 to 140°F

SURGEON SINK PACKAGE

Hayward Threaded Pressure Reducing Pressure Reducing Control Valve, 2 in Pipe Size - RPV5200TPE1 Nominal Size-32" X 16" X 1.5" and the doors are markedHelp protect chemical feed systems from over pressure conditions with this HAYWARD pressure reducing control valve. When the preset pressure is exceeded (valve has an adjustment screw that you can adjust in the field), the diaphragm moves up and the chemical flows out of the relief port back to the chemical tank or the suction side of the pump.