We're really sorry... ...we don't currently have that one in stock Please add your email and we'll notify you when it's back AO SMITH 100320487: K,GAS ORIFICE ASSY,TANKLESS,GAS,X3,NAT (Back to product) Home » Parts » Water Heater Parts » AO Smith Parts See More Products Like this One (5815 Items) No Product Image A. O. SMITH 100320487 Product ID: 67294 AO SMITH 100320487: K,GAS ORIFICE ASSY,TANKLESS,GAS,X3,NAT $19.50 Qty To ensure the correct part, please enter the manufacturers name, model and serial number of your heater: Description Email Friend Ask a Question About this Product Return Policy | Shipping Policy « Previous | Next »