{"title":"LUMINOR 4.1 (LB4-031)","description":"\u003cp\u003eReplacement UV lamps, quartz sleeves, parts and manuals for the Luminor Blackcomb 4.1 LB4-031 UV water treatment system (3 GPM, 1\/2-inch MNPT). The LB4-031 uses the RL-290 UV lamp and RQ-290 quartz sleeve.\u003c\/p\u003e","products":[{"product_id":"luminor-blackcomb-rc-b4-01-uv-controller-american-plug-for-lb4-systems","title":"Luminor Blackcomb RC-B4.01 UV Controller American Plug for LB4 Systems","description":"\u003cp\u003eThe LUMINOR RC-B4.01 is a UV replacement controller used with the LUMINOR BLACKCOMB 4.1 series Ultraviolet water purification systems. This controller operates at 90-265 volts, 50-60 Hz and tracks the remaining lamp life, total system operating time, and UV intensity.\u003c\/p\u003e","brand":"Luminor","offers":[{"title":"Default Title","offer_id":43672164991157,"sku":"RC-B4.01","price":269.45,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0629\/1197\/1509\/files\/luminor-luminor-blackcomb-4.1-replacement-controller-rc-b4.01-rc-b4.01__79878.1691447539.1280.1280.jpg?v=1773762285"},{"product_id":"luminor-rl-290-uv-replacement-lamp","title":"Luminor RL-290 Replacement UV Lamp for LB4-031, LB5-031, LB6-031","description":"\u003cp dir=\"ltr\"\u003eThe RL-290 is a genuine Luminor replacement UV lamp and lamp key for LUMINOR BLACKCOMB LB4-031, LB5-031, and LB6-031 UV water treatment systems, and their NSF Class A\/B and Blackcomb Vending variants listed below. It is an authentic Luminor part, not a compatible aftermarket substitute, so it drops in and treats water the way your system was originally tested and certified to perform.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eThe lamp is rated for 9,000 hours of use, about 12 months of continuous operation. UV-C output weakens gradually over the lamp's life, so Luminor recommends replacing it every 12 months to keep UV output where the system needs it.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eWhy a genuine Luminor lamp matters\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eLuminor tests and certifies its UV systems as a complete unit: lamp, chamber, and sleeve together. An authentic RL-290 keeps your system performing the way it was certified. A non-Luminor lamp voids the system's NSF\/ANSI 55 certification and can affect your warranty coverage if a problem comes up later.\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 (\u003cspan\u003e\u003ca href=\"https:\/\/espwaterproducts.com\/products\/luminor-blackcomb-5-1-lb5-03-12v-uv-system-3-gpm-12-vdc\"\u003eLB5-03-12V\u003c\/a\u003e)\u003c\/span\u003e\n\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\u003c\/ul\u003e\n\u003cp dir=\"ltr\"\u003eThe A and B suffixes mark the system's NSF\/ANSI 55 monitoring class (A is monitored with a UV sensor, B is non-monitored), not a different lamp. All seven models above share the same \"-031\" flow rating and use the RL-290.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eComplete your replacement\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eThe RL-290 is the lamp only. For the full replacement:\u003c\/p\u003e\n\u003cul dir=\"ltr\"\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/espwaterproducts.com\/products\/luminor-rq-290-uv-replacement-quartz-sleeve\"\u003eLuminor RQ-290 Replacement UV Quartz Sleeve\u003c\/a\u003e, the quartz sleeve that houses the lamp. Replace every 24 months, or sooner if it's visibly scaled, cloudy, or damaged.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/espwaterproducts.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":43672183013557,"sku":"RL-290","price":93.11,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0629\/1197\/1509\/files\/luminor-rl-290-uv-replacement-lamp-with-key-for-lb4-031-ultraviolet-system-rl-290__41069.1691450394.1280.1280.jpg?v=1773762123"},{"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:\/\/espwaterproducts.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:\/\/espwaterproducts.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:\/\/espwaterproducts.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"},{"product_id":"luminor-310039-quartz-sleeve-spring-for-luminor-systems","title":"Luminor 310039 Quartz Sleeve Spring for LUMINOR systems","description":"\u003cp\u003e\u003cspan\u003eThis spring is used on all Chandler Systems ultraviolet disinfection systems.  Also compatible with Luminor Blackcomb UV systems.  The spring goes inside the quartz sleeve before installing the lamp.\u003c\/span\u003e\u003c\/p\u003e","brand":"Luminor","offers":[{"title":"Default Title","offer_id":43672195858613,"sku":"310039","price":8.4,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0629\/1197\/1509\/files\/luminor-310039-quartz-sleeve-spring-for-luminor-systems-310039__03859.1691447488.1280.1280.jpg?v=1773762122"},{"product_id":"luminor-320006-gland-nut-for-all-luminor-blackcomb-uv-systems","title":"Luminor 320006 Gland Nut for All Luminor Blackcomb UV Systems","description":"\u003cp\u003eReplacement LUMINOR Gland Nut for all Luminor Blackcomb LB4, LB5, LB6, LBH5, LBH6 series.\u003c\/p\u003e","brand":"Luminor","offers":[{"title":"Default Title","offer_id":43672200183989,"sku":"320006","price":13.44,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0629\/1197\/1509\/files\/320006__93037.1691419906.1280.1280.png?v=1773762120"},{"product_id":"luminor-300038-o-ring-for-gland-nut-luminor-blackcomb-uv-systems","title":"Luminor 300038 Gland Nut O-Ring for Blackcomb UV Systems","description":"\u003cp\u003eThe Luminor 300038 is a replacement O-ring for the 320006 gland nut used in Blackcomb UV water treatment systems.\u003c\/p\u003e\n\u003cp\u003eIt is used in the gland-nut assemblies shown for Blackcomb standard-output and Blackcomb-HO systems. Match part 300038 to the assembly in your system manual before ordering.\u003c\/p\u003e","brand":"Luminor","offers":[{"title":"Default Title","offer_id":43672200380597,"sku":"300038","price":1.68,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0629\/1197\/1509\/files\/300038__00319.1691419880.1280.1280.png?v=1773762120"},{"product_id":"luminor-rlq-290-uv-lamp-and-sleeve-kit-for-lb4-031-lb5-031-lb6-031","title":"Luminor RLQ-290 Lamp \u0026 Sleeve for LB4-031, LB5-031, LB6-031","description":"\u003cp dir=\"ltr\"\u003eThe RLQ-290 is a genuine Luminor UV lamp and sleeve kit for LUMINOR BLACKCOMB LB4-031, LB5-031, and LB6-031 UV water treatment systems, and their NSF Class A\/B, LBV, and 12VDC variants below. The kit bundles the \u003ca href=\"https:\/\/espwaterproducts.com\/products\/luminor-rl-290-uv-replacement-lamp\"\u003eRL-290 UV lamp\u003c\/a\u003e, \u003ca href=\"https:\/\/espwaterproducts.com\/products\/luminor-rq-290-uv-replacement-quartz-sleeve\"\u003eRQ-290 quartz sleeve\u003c\/a\u003e, and a lamp key together — both parts are authentic Luminor components, not aftermarket substitutes, so it drops in and treats water the way your system was originally tested and certified to perform.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eThe \u003ca href=\"https:\/\/espwaterproducts.com\/products\/luminor-rl-290-uv-replacement-lamp\"\u003eRL-290 lamp\u003c\/a\u003e is rated for 9,000 hours of use, about 12 months of continuous operation, and Luminor recommends replacing it on that schedule to keep UV output where the system needs it. The \u003ca href=\"https:\/\/espwaterproducts.com\/products\/luminor-rq-290-uv-replacement-quartz-sleeve\"\u003eRQ-290 sleeve\u003c\/a\u003e typically lasts about 24 months before mineral scale starts cutting into UV output. For step-by-step swap instructions, see ESP Water's \u003ca href=\"https:\/\/espwaterproducts.com\/pages\/how-to-replace-a-uv-lamp\"\u003eHow to Change Out Your UV Bulb\u003c\/a\u003e guide, or \u003ca href=\"https:\/\/espwaterproducts.com\/pages\/how-to-clean-a-uv-sleeve\"\u003eHow to Clean a UV Sleeve\u003c\/a\u003e if you want to stretch the sleeve's service life between replacements.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eWhy a genuine Luminor lamp and sleeve kit matters\u003c\/strong\u003e\u003cbr\u003eLuminor tests and certifies its UV systems as a complete unit: lamp, chamber, and sleeve together. Replacing both at once with genuine \u003ca href=\"https:\/\/espwaterproducts.com\/products\/luminor-rl-290-uv-replacement-lamp\"\u003eRL-290\u003c\/a\u003e and \u003ca href=\"https:\/\/espwaterproducts.com\/products\/luminor-rq-290-uv-replacement-quartz-sleeve\"\u003eRQ-290\u003c\/a\u003e parts keeps your system performing the way it was certified. A non-Luminor lamp or sleeve voids the system's NSF\/ANSI 55 certification and can affect your warranty coverage if a problem comes up later.\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 (\u003ca href=\"https:\/\/espwaterproducts.com\/products\/luminor-blackcomb-5-1-lb5-03-12v-uv-system-3-gpm-12-vdc\"\u003eLB5-03-12V\u003c\/a\u003e)\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\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\"\u003eThe A and B suffixes mark the system's NSF\/ANSI 55 monitoring class, not a different lamp or sleeve, and the 12VDC models swap only the power supply for off-grid, RV, or marine use. All nine models above use the same \u003ca href=\"https:\/\/espwaterproducts.com\/products\/luminor-rl-290-uv-replacement-lamp\"\u003eRL-290 lamp\u003c\/a\u003e and \u003ca href=\"https:\/\/espwaterproducts.com\/products\/luminor-rq-290-uv-replacement-quartz-sleeve\"\u003eRQ-290 sleeve\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eNeed just one part instead of the full kit?\u003c\/strong\u003e\u003cbr\u003eThe RLQ-290 is the lamp and sleeve together. If only one part needs replacing: \u003ca href=\"https:\/\/espwaterproducts.com\/products\/luminor-rl-290-uv-replacement-lamp\"\u003eLuminor RL-290 UV Replacement Lamp\u003c\/a\u003e alone, or \u003ca href=\"https:\/\/espwaterproducts.com\/products\/luminor-rq-290-uv-replacement-quartz-sleeve\"\u003eLuminor RQ-290 UV Replacement Quartz Sleeve\u003c\/a\u003e alone.\u003c\/p\u003e","brand":"Luminor","offers":[{"title":"Default Title","offer_id":51867692007605,"sku":"RLQ-290","price":133.91,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0629\/1197\/1509\/files\/luminor-luminor-rlq-420-uv-lamp-and-sleeve-replacement-kit-with-key-for-lb4-z1-lb4-z12-lb5-z1-and-lb5-z12-uv-systems-rlq-420__93141.1691448334.1280.1280.jpg?v=1773761922"},{"product_id":"luminor-130031-uv-temperature-relief-valve-1-2-inch-fnpt","title":"Luminor 130031 Temperature Relief Valve Kit 1\/2-Inch FNPT","description":"\u003cp dir=\"ltr\"\u003eThe 130031 is a genuine Luminor temperature relief valve kit with a 1\/2-inch FNPT connection. The temperature relief valve (TRV) protects a Luminor UV system from overheating during long periods without water flow, when the UV lamp keeps warming the standing water in the chamber. When the water inside the chamber reaches the valve's preset temperature, the valve automatically releases a small amount of water to drain so fresh, cooler water can enter. It works without electrical power and comes complete with 10 feet of drain line.\u003c\/p\u003e\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eWhen to use it\u003c\/strong\u003e\u003c\/p\u003e\u003cp dir=\"ltr\"\u003eLuminor recommends a temperature management device for installations with extended no-flow periods, such as vacation homes, seasonal properties and low-demand commercial lines, and wherever the temperature of treated water is critical.\u003c\/p\u003e\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eFits these Luminor systems\u003c\/strong\u003e\u003c\/p\u003e\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)\u003c\/li\u003e\n\u003cli\u003eLB6-031B (NSF Class B)\u003c\/li\u003e\n\u003cli\u003eLBH6-051A (NSF Class A)\u003c\/li\u003e\n\u003cli\u003eLBH5-051B (NSF Class B)\u003c\/li\u003e\n\u003cli\u003eLBH6-051B (NSF Class B)\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp dir=\"ltr\"\u003eLuminor sizes its temperature relief valves by connection: 130031 (1\/2-inch), 130032 (3\/4-inch), 130033 (1-inch) and 130034 (1-1\/2-inch). The smallest 2 GPM BLACKCOMB 4.1 (LB4-021) has no temperature relief valve option.\u003c\/p\u003e\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\u003cul dir=\"ltr\"\u003e\n\u003cli\u003eManufacturer part number: 130031\u003c\/li\u003e\n\u003cli\u003eConnection: 1\/2-inch FNPT\u003c\/li\u003e\n\u003cli\u003eOperation: automatic, temperature-actuated, no electrical power required\u003c\/li\u003e\n\u003cli\u003eIncludes: 10 feet of drain line\u003c\/li\u003e\n\u003cli\u003eReplacement thermistor: Luminor part 310132\u003c\/li\u003e\n\u003cli\u003eUPC: 880027030057\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Luminor","offers":[{"title":"Default Title","offer_id":53304820203701,"sku":"130031","price":212.8,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0629\/1197\/1509\/files\/luminor-130031-2000x2000-draft-review.webp?v=1789616392"},{"product_id":"luminor-lb4-031-blackcomb-4-1-uv-system-3-gpm","title":"Luminor LB4-031 Blackcomb 4.1 UV Water Treatment System 3 GPM","description":"\u003cp dir=\"ltr\"\u003eThe Luminor LB4-031 BLACKCOMB 4.1 is a compact UV water disinfection system rated at 3 GPM (11.4 L\/min) at a UV dose of 30 mJ\/cm² and 95% UV transmittance. It uses a 15-watt UV lamp in a polished 304 stainless steel chamber (2.5 x 14.3 inches) with 1\/2-inch MNPT connections, which suits single-faucet, cottage and other low-flow applications. The BLACKCOMB 4.1 controller shows lamp status with a tri-colour LED and remaining lamp life on a 4-digit display, with audible and visual alarms.\u003c\/p\u003e\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eFlow rate by UV dose\u003c\/strong\u003e\u003c\/p\u003e\u003cul dir=\"ltr\"\u003e\n\u003cli\u003e3 GPM at 30 mJ\/cm² (Luminor rating, 95% UVT)\u003c\/li\u003e\n\u003cli\u003e6 GPM at 16 mJ\/cm²\u003c\/li\u003e\n\u003cli\u003e2.4 GPM at 40 mJ\/cm²\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eHow it alerts you\u003c\/strong\u003e\u003c\/p\u003e\u003cp dir=\"ltr\"\u003eThe LED is green when the lamp is on and within its rated life, turns yellow 30 days before the lamp expires (with a chirp in the last 7 days), and turns red with a buzzer when the lamp fails or expires. The controller reports lamp status; it does not by itself confirm the water is safe to drink, so Luminor recommends testing your water for microbiological contaminants regularly.\u003c\/p\u003e\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eWater quality requirements\u003c\/strong\u003e\u003c\/p\u003e\u003cul dir=\"ltr\"\u003e\n\u003cli\u003eLuminor strongly recommends a 5-micron sediment prefilter before the UV system\u003c\/li\u003e\n\u003cli\u003eHardness under 7 gpg (soften above this); pH 6.5-8.5\u003c\/li\u003e\n\u003cli\u003eIron under 0.3 ppm, manganese under 0.05 ppm, tannins under 0.1 ppm, turbidity under 1 NTU\u003c\/li\u003e\n\u003cli\u003eUV transmittance above 85% (contact Luminor below 80% for pretreatment advice)\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\u003cul dir=\"ltr\"\u003e\n\u003cli\u003eModel: LB4-031 (BLACKCOMB 4.1)\u003c\/li\u003e\n\u003cli\u003eFlow: 3 GPM at 30 mJ\/cm², 95% UVT\u003c\/li\u003e\n\u003cli\u003eConnections: 1\/2-inch MNPT\u003c\/li\u003e\n\u003cli\u003eLamp: 15 W, RL-290; power draw 20 W\u003c\/li\u003e\n\u003cli\u003eElectrical: 90-265V, 50\/60 Hz; North American NEMA 5-15 plug (\"1\" suffix)\u003c\/li\u003e\n\u003cli\u003eChamber: polished 304 stainless steel, 2.5 x 14.3 inches\u003c\/li\u003e\n\u003cli\u003eOperating pressure: 10-150 psi; water temperature: 36-149°F (2-65°C)\u003c\/li\u003e\n\u003cli\u003eUPC: 880027000050\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eMaintenance and replacement parts\u003c\/strong\u003e\u003c\/p\u003e\u003cul dir=\"ltr\"\u003e\n\u003cli\u003eUV lamp: RL-290. Replace every 12 months (standard lamps are rated about 9,000 hours).\u003c\/li\u003e\n\u003cli\u003eQuartz sleeve: RQ-290. Clean every 6-12 months and replace every 24 months, or sooner if scaled, cloudy or damaged.\u003c\/li\u003e\n\u003cli\u003eLamp and sleeve kit: RLQ-290\u003c\/li\u003e\n\u003cli\u003eOptional temperature relief valve: 130031 (1\/2-inch)\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp dir=\"ltr\"\u003eBLACKCOMB 4.1 systems do not support a UV sensor or add-on modules; choose a BLACKCOMB 5.1 or 6.1 if you need UV monitoring.\u003c\/p\u003e\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eWarranty\u003c\/strong\u003e Luminor limited warranty: 10 years on the stainless steel reactor, 3 years on the controller, and 1 year on UV lamps, UV sensors and quartz sleeves.\u003c\/p\u003e","brand":"Luminor","offers":[{"title":"Default Title","offer_id":53304823251125,"sku":"LB4-031","price":377.41,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0629\/1197\/1509\/files\/luminor-lb4-031-2000x2000-draft-review.webp?v=1789616496"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0629\/1197\/1509\/collections\/luminor-lb4-031-2000x2000-draft-review.webp?v=1790098271","url":"https:\/\/espwaterproducts.com\/collections\/luminor-blackcomb-4-1-lb4-031-3-gpm.oembed","provider":"ESP Water","version":"1.0","type":"link"}