ND0310A-400-P-1 Pilot Assembly is a Dual Fuel Pilot ODS assembly used on vent free Hearth products manufactured by ProCom USA and sold under various brand names including Cedar Ridge, Kozy World, Empire Comfort and others...... This ND0310A-400-P-1 Series Pilot ODS comes with preset Natural Gas NG and Propane Gas LPG Orifices and a Dual Wire 800MM fast acting thermocouple...... The ND0310A-400-P-1 Has the following Specifications..... NG 3-3.5 WC Rated Brass Orifice..... LPG 8-11 WC Rated Brass Orifice..... 400MM Dual Wire Thermocouple..... Dual Ceramic Electrodes