Viqua 602806 Water Disinfection System UV Lamp. Viqua Model Number: 602806. Fits Viqua E4, E4+, E4-V, E4-V+, E4-50+, IHS22-E4 systems. TROJAN-UV-MAX-602806, 602806, 602728, GPH631T5LCA-S. The Viqua 602806 UltraViolet Lamp is a replacement bulb for the Viqua E4, E4+, E4-V, E4-V+, E4-50+, IHS22-E4 systems and the discontinued Trojan PRO7 system. This bulb provides protection from occasional…