Heavy Duty Pressure Switch – Rated 5HP with Extra-Large Case and Brass Connections

The Merrill MPSXHD Heavy Duty Pressure Switch is engineered for reliable pump control in demanding water system applications. Built with extra-heavy-duty components, it features a larger case for easier wiring, heavy brass wire connections with secure set screws, and a 1/4" swivel union for easy installation. Designed to handle pumps up to 5 horsepower, it offers a captive nut on the cover, raised grounding lug for dual wire connection, and heavy fiberboard bracket for heat resistance and durability. Contact points provide consistent cut-in and cut-out pressure control for accurate pump operation. Key Features: Extra-heavy-duty construction, weighing 3 lbs (vs competitor 2 lbs) Large case size (5.7" x 5.3") for easier wiring Heavy brass wire connections with secure set screws can hold no. 4 wire Four 3/4" conduit knockouts for heavy wire Adjustable pressure switch with instructions inside top cover Heavy fiberboard bracket for contact movement, heat resistant Extra-large silver contacts for extended service life Captive nut on cover for secure fitting 1/4" swivel union case rotation is not needed for easy connection Raised grounding lug for easy connection of two wires Easy connected into control switch so not need expensive control box