{"product_id":"luminor-rq-290-uv-replacement-quartz-sleeve","title":"Luminor RQ-290 Sleeve for LB4-031, LB5-031, LB6-031","description":"\u003cp dir=\"ltr\"\u003eThe RQ-290 is a genuine Luminor replacement quartz sleeve for LUMINOR BLACKCOMB LB4-031, LB5-031, and LB6-031 UV systems, plus their NSF Class A\/B, LBV, total organic carbon (TOC), and 12V DC variants below. It's an authentic Luminor part, not an aftermarket substitute, so your system keeps performing the way it was tested and certified.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eFits these Luminor BLACKCOMB systems\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul dir=\"ltr\"\u003e\n\u003cli\u003eLB4-031\u003c\/li\u003e\n\u003cli\u003eLB5-031\u003c\/li\u003e\n\u003cli\u003eLB6-031\u003c\/li\u003e\n\u003cli\u003eLB5-031B (NSF Class B, non-monitored)\u003c\/li\u003e\n\u003cli\u003eLB6-031B (NSF Class B, non-monitored)\u003c\/li\u003e\n\u003cli\u003eLB6-031A (NSF Class A, monitored, includes UV sensor)\u003c\/li\u003e\n\u003cli\u003eLBV-031\u003c\/li\u003e\n\u003cli\u003eLB4-031-TOC (total organic carbon reduction)\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/ispwaterproducts.com\/products\/luminor-blackcomb-5-1-lb5-03-12v-uv-system-3-gpm-12-vdc\"\u003eLB5-03-12V\u003c\/a\u003e (12VDC power)\u003c\/li\u003e\n\u003cli\u003eLB6-03-12V (12VDC power)\u003c\/li\u003e\n\u003cli\u003eLB6-03A-12V (12VDC power, NSF Class A, monitored)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"ltr\"\u003eThat's 11 model numbers, and every one of them uses the identical RQ-290.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eWhy the 12V models use the same sleeve\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eThe LB5-03-12V, LB6-03-12V, and LB6-03A-12V variants swap the standard 110V power supply for a 12-volt DC configuration, built for off-grid, RV, marine, and other mobile water treatment setups. The UV chamber and quartz sleeve are unchanged from the standard line, so all three 12V variants use the identical RQ-290.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eThe RQ-290 also fits the LB4-031-TOC system\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eThe LB4-031-TOC total organic carbon reduction system shares the same chamber and sleeve as the standard LB4-031, even though it runs a separate dual-wavelength RL-290-TOC lamp rather than the standard RL-290.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eWhy a genuine Luminor sleeve matters\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eLuminor certifies its UV systems as a complete lamp, chamber, and sleeve unit. A non-Luminor sleeve can differ in wall thickness or quartz quality, reducing UV-C output reaching the water and affecting your warranty coverage.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eComplete your replacement\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul dir=\"ltr\"\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/ispwaterproducts.com\/products\/luminor-rl-290-uv-replacement-lamp\"\u003eLuminor RL-290 UV Replacement Lamp\u003c\/a\u003e, the lamp that goes inside this sleeve for the standard 110V and 12VDC systems. Replace every 12 months, or after 9,000 hours. The LB4-031-TOC uses a separate RL-290-TOC lamp instead.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/ispwaterproducts.com\/products\/luminor-rlq-290-uv-lamp-and-sleeve-kit-for-lb4-031-lb5-031-lb6-031\"\u003eLuminor RLQ-290 UV Lamp and Sleeve Kit\u003c\/a\u003e, which bundles the RL-290 lamp, RQ-290 sleeve, and lamp key together for LB4-031, LB5-031, and LB6-031.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Luminor","offers":[{"title":"Default Title","offer_id":43672183374005,"sku":"RQ-290","price":40.8,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0629\/1197\/1509\/files\/Luminor_RQ-290_replacement_lamp.jpg?v=1789049922","url":"https:\/\/ispwaterproducts.com\/products\/luminor-rq-290-uv-replacement-quartz-sleeve","provider":"ESP Water","version":"1.0","type":"link"}