Barksdale 625H3-07 Pressure Switch

When you need a reliable component for precise system monitoring, the Barksdale 625H3-07 is your go-to HVAC pressure switch. This robust 625 Series OEM pressure transducer HVAC is engineered for demanding applications, offering a 0-300 PSI range with a consistent 4-20mA pressure sensor output. It’s built with a durable stainless steel housing and advanced ceramic sensor technology, ensuring long-term stability and accuracy even in aggressive media environments. With UL and cUL approvals, this unit is designed for seamless integration into various HVAC system control setups, water systems, and other industrial pressure switch applications. The 1/4 NPT male thread process connection and 1-meter shielded cable simplify installation, providing a dependable solution for maintaining optimal system performance across a wide operating temperature range of -40 to 185°F.

Key Benefits

• Precision Monitoring: Delivers highly accurate 0-300 PSI pressure readings with 0.5% FSO accuracy for critical system control.
• Robust Construction: Features stainless steel and ceramic sensor technology, built to withstand harsh HVACR conditions and aggressive media.
• Universal Compatibility: Provides a standard 4-20mA output and 9-28 VDC power requirement, ensuring broad integration with existing control systems.
• Enhanced Reliability: UL and cUL approved, offering peace of mind for continuous operation in demanding industrial and commercial settings.
• Simplified Installation: Compact design with a 1/4 NPT male thread and pre-wired 1-meter shielded cable for straightforward setup.

Common Questions

• What does a pressure switch do in an HVAC system? A pressure switch like the 625H3-07 monitors system pressure, signaling the control system to maintain optimal operating conditions and prevent component damage by ensuring pressures stay within specified limits.
• How do I troubleshoot a Barksdale pressure switch? Begin by verifying power supply, checking electrical connections for integrity, and confirming the process connection is free of blockages. Test the 4-20mA output signal with a multimeter to ensure it corresponds to the actual system pressure.
• Why might my HVAC pressure switch be failing? Common causes include sensor contamination, electrical connection issues, physical damage from vibration or impact, or exposure to temperatures outside its specified operating range.

Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.