WHK Water Pressure Switch for Well Pump 40-60 PSI | Adjustable Differential | UL-Certified

Stable water pressure for well systems

The WHK 40-60 PSI water pressure switch is designed to help maintain a steady water flow from electrically driven wells. Built with a durable ABS outer housing and robust electrical contacts, it withstands regular use and resist wear over time. UL certification provides an added layer of quality assurance, making it a practical choice for residential farms and light commercial pumps.

Engineered for flexible installation, the 1/4 inch female NPT threaded connection fits standard piping, and the unit supports a wide voltage range for compatibility with common power setups. The adjustable differential lets you tailor how much pressure must build before the pump turns off, reducing abrupt swings and promoting a smoother water experience without overworking the pump.

Key features

• Pressure range: 40 PSI cut-in to 60 PSI cut-off with adjustable differential
• Durable construction: ABS cover and solid contacts for long service life
• Electrical compatibility: accepts 110–240V operation
• Easy installation: 1/4" female NPT thread and UL certification
• What you get: 1x WHK 40-60 PSI pressure switch and a 1-year warranty

Real-world use and benefits

• Helps keep household water pressure steadier during showers and chores in homes with fluctuating well flow
• Minimizes pressure spikes and pump cycling to protect plumbing connections
• Suitable for irrigation setups and small commercial pumps needing reliable, adjustable control
• Offers a straightforward replacement option for aging switches with WHK reliability

In short, this WHK pressure switch provides practical adjustability, durable construction, and broad electrical compatibility to support your well pump system without overpromising guaranteed outcomes.