36C03-400 24 Volt 3/4x3/4" Furnace Boilers. inlet\outlet, fast opening and 3.5 in. wc pressure regulator setting. Pressure Regulator Setting (kPa) 0.87 kPa. Electrical Connections 1/4 in. The only difference between the 36C03-300 and 36C03-333 is that the 36C03-333 has plugged side tap on the valve body.
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