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and the vacuum/pressure relief valve isn't optional—it's required for safe operation and prevents tank damage from pressure fluctuations
The QS-212 quartz sleeve protects the lamp from direct water contact while allowing maximum UV transmission
Run water for 3–5 minutes to flush carbon fines and check all housings for leaks
Twist Tap Technology
Polaris™ Scientific GL17PP Replacement UV Lamp – UVA-4C E. Coli Reduction and the vacuum/pressure relief valvePolaris Scientific Replacement Part GL17PP UV Lamp Genuine single end 4 pin germicidal UV lamp for Polaris Scientific UVA systems. The GL17PP germicidal lamp delivers 254 nm UV C output for the Polaris Scientific UVA 4C. Replace every 12 months germicidal effectiveness drops well before the lamp stops glowing. Do not touch the glass with bare hands during installation. Part Number GL17PP Wattage 17W Base Single end patented 4 pin Wavelength 254 nm UV
