Optimized Steam Control: Provides precise seating for thermostatic expansion elements to eliminate steam blow-through

reduces vibration-induced motor wear

providing maximum flexibility in tight appliance cabinets (excluding 'D' suffix models)

With the furnace off

Robertshaw 705-452 Operator 30067439-890 Optimized Steam Control: Provides preciseAs a veteran HVACR technician, I know that field converting manual gas valves to thermostat control requires precision engineered components like the Robertshaw 705 452 Operator. This 120V operator is a critical component for pros working with the Robertshaw 700 series gas valve and 710 series models. It provides a reliable line voltage solution for natural gas applications, factory set to a 3. 5" WC pressure regulator to ensure consistent manifold