Replacement Power Supply Kit for TrojanUVMax C4-120V The Trojan UV Max 650713-006 is replacement power supply kit (also called a controller) that is used to replace the power supply of a Trojan UV Max system. The 650713-006 is the newest version of the company's line of A, B4, C4, D4/Plus, E4/Plus, and F4/Plus controllers and is used for the Trojan UV Max A system. •Helpful lamp replacement reminder. •Lamp timer reset button. •Indicator lights show status of system components. •Mute button for warning alarm sounds.