this 1" NPT valve is engineered to simplify ASME CSD-1 code-mandated testing of low water cut-offs (LWCO)

While the bore size is critical

Corrosion Resistance: Built with high-grade materials to withstand the high-pressure environment of Puron-based systems

Key Benefits for HVACR Contractors Advanced Load Control: Handles up to 40 amps per pole

Reliable Fail-Safe Design: The normally open configuration ensures the valve remains open during power loss for specific safety protocols

AERCO 58025-04 Kit 321142-301 this 1" NPT valve isThe AERCO 58025 04 Kit is a specialized 3. 0 LN maintenance solution engineered for comprehensive 24 month waterside and fireside inspections. As a critical component for AERCO Benchmark boilers and high efficiency heating systems, this kit ensures that commercial condensing boilers maintain peak thermal efficiency and operational safety. By utilizing the AERCO 58025 04 Kit, technicians can perform essential boiler preventative maintenance,