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 100112551:K,EXHAUST,4",INTAKE,3" ,CONC 12-18",ADJ (replaces 9008148005) (Back to product) Home » Parts » Water Heater Parts » AO Smith Parts See More Products Like this One (5828 Items) A. O. SMITH 100112551 Product ID: 52143 AO SMITH 100112551:K,EXHAUST,4",INTAKE,3" ,CONC 12-18",ADJ (replaces 9008148005) $283.50 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 »