Stub out retainer

A stub out retainer, comprising:

• a first clamp section having a front end with a first plate half and a first front collar half, a rear end having a first rear collar half, the first front and first rear collar halves being interconnected by a first top beam half and a first bottom beam half;
• a second clamp section having a front end with a second plate half and a second front collar half, a rear end having a second rear collar half, the second front and second rear collar halves being interconnected by a second top beam half and a second bottom beam half;
• and
• wherein the first and second clamp sections are configured to mate together such that the first plate half and the second plate half define an escutcheon plate, the first front collar half and second front collar half define a cylindrical front collar, the first rear collar half and second rear collar half define a rear collar, the first top beam half and second top beam half form a top beam, and the first bottom beam half and second bottom beam half form a bottom beam.