What size is RV water heater plug?

Specifically designed for use with RV water heater drain plugs. Angled design conveniently fits in tight spaces and includes prongs for rusted drain valves and petcock drains. Fits both 7/8″ and 15/16″ drain plugs. Includes two ½- inch NPT replacement drain plugs and Teflon Tape®.Click to see full answer. In this way, what size is the anode rod nut?1-1/16″ socket. Be sure to use a 1/2″ drive socket, an extension (6″ to 12″) and a long handled socket wrench or better yet, a breaker bar if you have one. Use a two turns of Teflon tape on the new anode rod.Additionally, what happens when anode rod goes bad? This is bad: it will cause cracks in the heater’s glass lining, allowing the underlying metal to rust and drastically shortening the life of the unit. Anode rods have a life expectancy of about five years, but as always it really depends on the quality of your water and how much of it travels through the heater. Simply so, can you plug in a hot water heater? Unless specifically stated by manufacturers manual, a storage type water heater can’t be cord and plug connected (per NEC). If it is allowed (most are not), it must be the correct type of flexible cable and plug (listed for that application).How much does it cost to replace anode rod?If a tank lasts ten years and costs $800 to install, that’s $80 per year. Most tanks come with one anode, which, in most waters will last four years before needing replacement. Say you do charge $100 to replace the rod.