Rv Water Heater Anode Thread Size

You ll need a 3 4 inch npt thread chaser since the replacement anode will likely have a tapered pipe thread.

Rv water heater anode thread size.

The thread size in these water heaters for the anode is 3 4 inch npt which is a tapered pipe thread. We have detailed the popular brands and storage capacities and referenced the best choice of anode. Plumbonline have put together a comparison table see below to make selecting your anode as simple as possible as in most cases the owner manual for your hot water service does not detail the size. Before you consider re tapping the threads re check to make sure you have the right sized anode rod.

To use a standard tap may actually remove portions of the existing threads as well as cut new threads something to be avoided in a water heater tank fitting.