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Calibrated to a precise 220-degree Fahrenheit trip point
and a durable metal shroud
Can this be used as a wall-mounted thermostat
Specifically optimized for ERC-5230 through ERC-5245 series units
Watts 0383793 Valve 320788-702 Calibrated to a precise 220-degreeThe Watts 0383793 (Series 374A M1) is a high capacity 1 1 2 inch water pressure relief valve engineered specifically for technical protection in large scale hot water heating boiler systems. Featuring a rugged iron body construction with a forged bronze inlet, this valve is designed to handle high demand thermal expansion and prevent over pressurization in commercial hydronic circuits. With a precise 55 PSI pressure setting and a steam discharge
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