700-504 - Robert Shaw Gas Valve, 700 Series

700 Series - Millivolt The Robertshaw® 700 Series Millivolt Gas Valves are wall thermostat actuated combination controls which provide installation flexibility from furnaces to swimming pool applications. The complete line of 700-500 millivolt gas valves offers a wide range of replacements from small capacity 3/8” pipe to high capacity 1” pipe up to 720,000 BTU usage.