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The internal electronics are rated for operation up to 150°F
low-resistance connections for both main and auxiliary circuits
Compact design for easy installation in tight equipment spaces
this 3/4" NPT regulator utilizes a lever-acting design to provide positive dead-end lock-up
Kunkle Valve 0537-D01-HM0100 Valve 321042-401 The internal electronics are ratedThe 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
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