After continued use, you might find that some of your home spa’s pieces need replacing. Luckily, replacing spa parts through Master Spas is easy and affordable. The 1 Inch, MG, On/Off Diverter by Master Spas is an exact replacement for your home spa’s original diverter. This diverter allows you to control your spa experience by enabling the on and off function of the spa’s jets. The piece is small, durable and easy to install at home. This item is a great option for you if you've noticed that your spa's on and off valve is no longer working, but you do not want to purchase an entire diverter assembly.