The Robertshaw 710 Series Low Capacity Gas Valves feature an extremely compact control designed for low capacity and limited space applications. Robertshaw 710-502 features include three-position outlets, multi-positional capability and component replaceability. Low capacity with 3-13/16"H x 4-21/32"L x 1-29/32" W dimensions Gas cock dial marking Off - Pilot - On Ambient temperature of -40°F to 175°F Pilot outlet 1/4" tubing Maximum inlet pressure 14" WC (0.5 PSI) Standard NEMA terminals Inlet filtered screen Various gas types: natural, manufactured, mixed, LP, and LP/air mixtures RoHS compliant Specifications Series Application: Millivolt Low Capacity Pressure Regulation: 3.5" WC Natural Gas Capacity: 70,000 BTU Reducer Bushing (NPT): (2) 1/2" x 3/8" Inlet Size: 1/2" Electrical Rating: 250 mV to 750 mV Outlet Size: 1/2"