UV Lamp/Quartz Sleeve Replacement Instructions Sterilight QS-740 UV quartz sleeve replacement for these systems: Sterilight Model SC-740 Sterilight Model SCM-740 Sterilight Model SPV-740 Sterilight Model SP740-HO Sterilight Model SPV-15 Sterilight QS-740 UV Quartz Sleeve Replacement: All Sterilight UV systems include a quartz sleeve, which surrounds the lamp. The quartz material used in Viqua’s quartz sleeves are a 100% fused silica which lend to the sleeve’s high transmittance. A high transmittance is important as the UV light must travel through the sleeve to get to the water.
