What it is: A preassembled pressure switch designed specifically for car washers. It detects and controls pump pressure so your washer starts and stops at the correct set points. Why you need it: Replacing a worn or failed pressure switch restores reliable on/off control of your washer pump without replacing the whole machine. This reduces downtime, cuts cost, and keeps cleaning performance consistent. Key benefits Ready to install: Arrives fully assembled so you can fit it quickly and get the washer back into service with minimal tools and time. Durable construction: Built from durable materials, including plastic components, to withstand repeated pressure cycles and typical operating conditions in carwashing equipment. Direct replacement function: Works as a dropin replacement for faulty pressure switches on car washers, restoring normal pressure control and pump protection. Improves reliability: Helps prevent pump runon and frequent cycling, reducing wear on the pump and extending equipment life. Important attributes Function: Pressure switch for controlling pump on/off based on system pressure. Compatibility: Intended for use with car washer systems; suitable as a replacement component for standard carwasher pressureswitch assemblies. Condition: Supplied fully assembled and installationready. Materials and performance: Constructed from durable materials with plastic parts, designed for continuous operation under normal carwash pressures. Typical use scenarios 1. Home or hobbyist car washer — a failed pressure switch to restore normal pump operation without replacing the entire washer. 2. Professional detailing bay — keep a spare on hand to minimize downtime when a pressure switch fails during a busy workday. 3. Mobile wash service — quick field replacement to get a service truck back to work with minimal delay. Installation and maintenance tips Verify system is depressurized and power is disconnected before removing the old switch. Mount and wire the unit in the same orientation as the original switch; follow the washer manufacturer's wiring diagram and torque specifications. Test pressure set points after installation to confirm correct operation. Practical result: A simple, costeffective replacement part that restores reliable pressure control in carwashing systems, reduces time, and helps protect the pump from improper cycling.