ensuring the pressure switch closes consistently for uninterrupted heat cycles

For high-load commercial and industrial HVAC applications

Precision Tuning: Supports 3" to 6" water column (WC) adjustment to match OEM combustion specifications

Safety Certified: Features IP20 finger-safe terminals and mirror-certified auxiliary contacts for enhanced reliability

Streamlined Installation: Features a factory-calibrated sensor cartridge for immediate out-of-the-box operation and reduced labor time

Conbraco 10-618-25 Valve 322057-301 ensuring the pressure switch closesThe Conbraco 10 618 25 Valve is a high capacity pressure relief valve engineered for the rigorous demands of commercial hot water heating boilers and large scale hydronic heating systems. As an ASME Section IV certified safety device, it provides critical overpressure protection with a substantial 19,435,000 BTU capacity. This 2 inch NPT inlet by 2 1 2 inch NPT outlet valve features a bronze body and an elevated seat design, which ensures positive