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Description
The 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.
The 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.
Why a genuine Luminor lamp matters
Luminor 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.
LB6-031A (NSF Class A, monitored, includes UV sensor)
LBV-031
The 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.
Complete your replacement
The RL-290 is the lamp only. For the full replacement:
This video demonstrates how to replace the UV lamp on your BLACKCOMB ultraviolet wawter disinfection system. ESP Water Products, an authorized Luminor UV dealer, offers genuine Luminor UV systems and replacement parts for reliable water purification.
How do I know if the RL-290 is the right lamp for my system?
A:
Check the model number on your system's nameplate. The RL-290 fits any Luminor BLACKCOMB system ending in "-031": LB4-031, LB5-031, LB6-031, LB5-031B, LB6-031B, LB6-031A, and LBV-031. If your model ends in a different number, like -021, -061, or -101, you need a different lamp.
Q:
How often should I replace the RL-290?
A:
Every 12 months of use, since the lamp is rated for approximately 9,000 hours of continuous operation. UV-C output drops off before the lamp fails, so replacing on schedule keeps your water treatment at full strength.
Q:
Does the RL-290 come with a lamp key
A:
Yes. Every RL-290 ships with the lamp key your BLACKCOMB controller needs to recognize the lamp. It only works with genuine Luminor-branded systems.
Q:
Will a non-Luminor replacement lamp work in my BLACKCOMB system?
A:
It may physically fit, but Luminor systems are NSF/ANSI 55 certified as a complete lamp-and-system unit. A non-Luminor lamp voids that certification and can affect your warranty if an issue comes up.
Q:
Is the RL-290 the same lamp used in BLACKCOMB-HO systems?
A:
No. The RL-290 is used only in the standard-output BLACKCOMB LB4/LB5/LB6-031 systems listed above. BLACKCOMB-HO (high-output) systems use a different model numbering and lamp lineup entirely. Check your nameplate before ordering.
Luminor RL-290 Replacement UV Lamp for LB4-031, LB5-031, LB6-031