Description
P502 C757S FILTER DRIER Carrier Used on_Model M3ST80R5 M3ST80R5A M3ST120R5 M3ST120R5A Water Heater **Pilot Orifice #Y90AA 4207D for Reznor The 7SI SLIME REDUCTION 1839113 Part Number_310716 **Pilot Orifice #Y90AA 4207D for Reznor Propane Unit Heaters** The Reznor #Y90AA 4207D Pilot Orifice is a critical component for propane fueled Reznor unit heaters this impeller is a high performance component designed for demanding industrial applications