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Does this unit require a "C" common wire
Note that hydrogen use is not recommended with this specific alloy
Engineered for compatibility with "E" series main valves
Operating at a 750mV power output and a factory-calibrated 4
Durable Construction: Built to withstand commercial and industrial environments with high-duty cycle requirements
Watts 0275404 Valve 326058-757 Does this unit require aThe Watts 0275404 is a high capacity boiler pressure relief valve from the Series 174A, engineered specifically for hot water heating and domestic supply systems. This 1 inch NPT threaded valve is designed to handle demanding commercial and industrial hydronic loads, featuring a discharge capacity of 3,215,000 BTU hr at a 125 PSI pressure relief setting. Built with a rugged bronze body and a stainless steel spring, it utilizes a non metallic, soft
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