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 100046987:ORIFICE,NAT,1/2"HEX COMBO,#45 (replaces 186016-045) (Back to product) Home » Parts » Water Heater Parts » AO Smith Parts See More Products Like this One (5828 Items) No Product Image A. O. SMITH 100046987 Product ID: 53824 AO SMITH 100046987:ORIFICE,NAT,1/2"HEX COMBO,#45 (replaces 186016-045) $7.50 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 »