Kunkle Valve 0537-D01-HM0100 Valve 321042-401 This valve provides consistent low-voltage

This valve provides consistent low-voltage zoning performance for contractors seeking a drop-in replacement for legacy Honeywell or Resideo systems

The internal electronics are rated for operation up to 150°F

Wide Velocity Range: Reliable smoke sensing in airflow environments from 100 to 4

Industrial Durability: Engineered with high-grade materials to operate reliably in harsh industrial environments and extreme weather conditions

Compact design for easy installation in tight equipment spaces

Kunkle Valve 0537-D01-HM0100 Valve 321042-401 This valve provides consistent low-voltageThe Kunkle Valve 0537 D01 HM0100 is a high capacity bronze safety relief valve specifically engineered for low pressure hot water boilers, heat exchangers, and generators. This 3 4" x 1" FNPT valve is factory set at 100 PSI and carries ASME Section IV and XIII "HV" certifications, ensuring rigorous compliance for commercial and industrial hydronic systems. With a certified steam capacity of 2759 lb h (2,758,900 BTU h), it provides critical