Using a water pressure regulator with lower pressure 40psi. Nothing out of the ordinary. Wasn’t using propane, only electric. Wife heard a loud pop, water pouring all over the rv floor. I ran around cut off the city water. Took the water heater panel off inspected the connections. Sure enough the small white plastic piece separated from the threaded fastener it plugs into. It plugs back in and holds pretty well so it isn’t broken. The picture shows it connected back. It was completely off the grey piece you turn. Can I replace this with a brass fitting? Found a few on Amazon that look to be the same as this cheap plastic piece. Want to try and avoid this happening again. Ive had to pull out a few water logged particle board pieces from under the water heater already. Thanks.