SKU: 38498657017
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Ships within 48 hours · Estimated delivery Sep 12 - Sep 17
the unit features molded terminal numbers and a circuit diagram on the top housing
In addition to 18M23 series compatibility
Industrial-Grade Construction: Built with a durable zinc body
Optimized Response Time: Fast electrical actuation ensures precise modulation and immediate flow termination in sensitive fluid management systems
maintaining the exact furnace pressure specifications required by the manufacturer
Watts 0383021 Valve Refrigerant the unit features molded terminalThe Watts 0383021 is a high capacity ASME Section IV safety relief valve designed specifically for commercial hot water space heating boilers. This Watts 740 series relief valve features a 1 1 4 inch NPT female inlet and an expanded 1 1 2 inch NPT female outlet, engineered to decrease discharge velocity and prevent potential backpressure issues within the return line. With a factory set relief pressure of 35 PSI and a certified steam discharge