{"product_id":"cuv-211-annual-uv-service-kit-11w-bulb-quartz-sleeve-o-rings","title":"CUV-211 Annual UV Service Kit - 11w Bulb, Quartz Sleeve \u0026 O-Rings","description":"\u003cp\u003e\u003cstrong\u003eEverything the CUV-211 needs for its annual service, in one delivery.\u003c\/strong\u003e Lamp, quartz sleeve and seals are all wear parts on the same yearly cycle. Bought separately they arrive as three orders in three parcels, and the seals are the part everyone forgets until the unit leaks.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eContains\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e1 x AllPondSolutions 11w PLS UV bulb, 235mm, 2 pin\u003c\/li\u003e\n\u003cli\u003e1 x CUV-211 replacement quartz sleeve\u003c\/li\u003e\n\u003cli\u003e1 x CUV-211 O-ring set\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eCheaper than buying the parts separately, and it all arrives together rather than as three parcels.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eLamp specification\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e11w PLS germicidal UV-C lamp\u003c\/li\u003e\n\u003cli\u003e235mm overall length\u003c\/li\u003e\n\u003cli\u003e2 pin fitting\u003c\/li\u003e\n\u003cli\u003eAverage lifespan approximately 9,000 hours\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eFits:\u003c\/strong\u003e AllPondSolutions CUV-211 UV steriliser, pond or aquarium.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhen to replace the lamp\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA UV bulb stops working long before it stops glowing. The visible light remains while the invisible UV-C output fades, so a lamp that still lights up can be doing nothing for your water.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSterilisation:\u003c\/strong\u003e replace every 6 months (approximately 4,000 hours)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePond or aquarium clarification:\u003c\/strong\u003e replace every 12 months (approximately 8,000 hours)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eClean or replace the quartz sleeve at every lamp change - limescale and biofilm on the sleeve block UV-C just as effectively as a dead bulb does. Full step by step in our \u003ca href=\"\/pages\/uv-steriliser-maintenance-guide\"\u003eUV Steriliser Maintenance Guide\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFitting.\u003c\/strong\u003e Isolate the power supply before opening the unit. Lightly lubricate the O-rings with a silicone-based lubricant on reassembly to keep the seal watertight.\u003c\/p\u003e","brand":"AllPondSolutions","offers":[{"title":"Default Title","offer_id":56402012045691,"sku":"SK-CUV211","price":30.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/7220\/5341\/files\/SK-CUV211_B_labelled.jpg?v=1788364849","url":"https:\/\/www.allpondsolutions.co.uk\/products\/cuv-211-annual-uv-service-kit-11w-bulb-quartz-sleeve-o-rings","provider":"AllPondSolutions","version":"1.0","type":"link"}