{"product_id":"aqua-uv-40w-replacement-lamp-33-5-inch-mercury-quartz-uv-clarifier-bulb-direct-fit","title":"Aqua UV 40W Replacement Lamp — 33.5-inch Mercury Quartz UV Clarifier Bulb, Direct-Fit","description":"\u003cp\u003e\u003cstrong\u003eThe Aqua UV 40 Watt Replacement Lamp is a 33.5-inch mercury quartz tube designed to restore optimal UV output in compatible UV clarifiers.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWhen a UV clarifier's germicidal lamp dims or fails, water clarity and system performance can decline. This replacement lamp fits systems and fixtures specified for a 40 watt, 33.5-inch mercury quartz bulb, offering reliable optical output when installed correctly. It’s built to the original form factor to ensure straightforward swapping with like-for-like units.\u003c\/p\u003e\n\n\u003ch3\u003eHow will this lamp fit my existing UV clarifier?\u003c\/h3\u003e\n\u003cp\u003eThe Aqua UV lamp is a direct-form 33.5-inch, 40 watt mercury quartz tube intended for systems that accept that length and wattage. Check your clarifier’s manual or existing lamp markings to confirm compatibility before purchase. Proper fit prevents light leakage and maintains the intended fluid path through the sleeve.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eLength: 33.5 inches (overall tube size)\u003c\/li\u003e\n  \u003cli\u003ePower: 40 watts mercury-based UV quartz\u003c\/li\u003e\n  \u003cli\u003eForm-factor matches standard 33.5\" UV fixtures\u003c\/li\u003e\n  \u003cli\u003eDesigned for direct replacement without rewiring\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat performance can I expect after replacing the lamp?\u003c\/h3\u003e\n\u003cp\u003eReplacing an aged lamp restores the original UV intensity, improving the system’s ability to emit the designed UV wavelengths. Performance depends on correct installation, a clean quartz sleeve, and a matching ballast. A new lamp is most effective alongside routine maintenance of the clarifier housing and sleeve.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eRestores near-original UV output when paired with functioning ballast\u003c\/li\u003e\n  \u003cli\u003eOptimal when quartz sleeve is cleaned or replaced\u003c\/li\u003e\n  \u003cli\u003eImmediate improvement in emitted UV intensity after installation\u003c\/li\u003e\n  \u003cli\u003eBest results when installed at recommended service intervals\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do I replace the lamp safely and maintain longevity?\u003c\/h3\u003e\n\u003cp\u003eAlways disconnect power before handling the lamp and allow the unit to cool. Handle the quartz tube by the ceramic ends or with clean gloves to avoid oils on the glass; contamination can reduce lamp life. After installing, verify ballast compatibility and proper electrical connections to avoid under- or over-driving the lamp.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePower down and cool the unit before removing the old lamp\u003c\/li\u003e\n  \u003cli\u003eWear gloves and avoid touching the quartz surface\u003c\/li\u003e\n  \u003cli\u003eInspect and clean or replace the quartz sleeve for best output\u003c\/li\u003e\n  \u003cli\u003eConfirm ballast matches 40W lamp specifications\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhen should I plan to replace the UV lamp?\u003c\/h3\u003e\n\u003cp\u003eManufacturers typically recommend replacing mercury UV lamps on a yearly schedule or after a specified operating-hours threshold because UV output declines even when the lamp still emits visible light. Track cumulative run time and replace proactively to maintain consistent performance. Seasonal or continuous-use systems may require stricter replacement intervals.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eReplace after manufacturer-specified operating hours (commonly ~9,000–12,000 hours)\u003c\/li\u003e\n  \u003cli\u003eConsider annual replacement for continuous-use systems\u003c\/li\u003e\n  \u003cli\u003eReplace sooner if visible dimming or ballast issues appear\u003c\/li\u003e\n  \u003cli\u003ePair replacement with sleeve inspection and cleaning\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this replacement lamp for? Install the Aqua UV 40W replacement lamp if you operate a UV clarifier that specifies a 33.5-inch, 40 watt mercury quartz tube and you need a like-for-like lamp swap to restore UV intensity. It’s intended for aquaculture, pond, aquarium, or water treatment setups where the correct lamp length and wattage are critical. If you’re unsure about compatibility, check your clarifier’s owner manual or the markings on your current lamp before ordering.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is this lamp compatible with all UV clarifiers?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: It fits clarifiers designed for a 33.5-inch, 40W mercury quartz lamp; verify your unit’s required length and wattage before purchasing.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How often should I replace this Aqua UV lamp?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Replace yearly or according to manufacturer-specified operating hours, often around 9,000–12,000 hours, for consistent UV performance.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Aqua UV","offers":[{"title":"Default Title","offer_id":56840989704532,"sku":"B002DVRGVK","price":124.62,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1063\/2652\/4244\/files\/aqua-uv-lamp-front-view.jpg?v=1787074280","url":"https:\/\/gardenluxe.co.uk\/products\/aqua-uv-40w-replacement-lamp-33-5-inch-mercury-quartz-uv-clarifier-bulb-direct-fit","provider":"Gardenluxe Uk","version":"1.0","type":"link"}