The AllPoints Foodservice Parts & Supplies 42-1811 is a high-pressure switch designed for reliable performance in demanding environments. It operates with an open pressure of 425 psi and a close pressure of 300 psi, with a tolerance of +/- 15 psi. This switch features a 1/4" female SAE connection for easy installation. It is compatible with multiple voltage options, including 24V, 120V, and 240V. The unit is built to withstand ambient temperatures ranging from 20°F to 176°F and can handle fluid temperatures between 60°F and 250°F, making it suitable for a variety of applications in foodservice settings.