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Model Number
: 89572
: Pura

Pura Replacement lamp for A Buv-12


Replacement lamp for the PURA A Buv-12 Ultraviolet Disinfection Systems.

Availability: Usually ships within 7-14 Days

MSRP $182.00

OUR PRICE $105.00
*Free Shipping‚Äč



Replacement lamp for the PURA A Buv-12 Ultraviolet Disinfection Systems.

Features and Accessories


Additional Info

Manufacturer Pura
Model # 89572
Shipping Weight 1


Ultraviolet Systems (UV)

Is there anything I should do before installing an ultraviolet filter system?

Before installing any UV (brand) unit, it's a good idea to start with a clean system (water lines, water heater, etc.). Disinfect the entire downstream system with chlorine or other disinfectant that is safe for piping and humans. Microorganisms will continue to thrive unless you take the time to start with a clean system.

A sediment filter should be installed prior to the system to keep the quartz sleeve and other components from fouling.

Does a UV system require any chemicals or anything else that I have to add?

Most manufacturers recommend that you use a 5 micron (or smaller) sediment filter before a UV unit. This is required because large particles provide a haven for microorganisms that you are trying to destroy. Depending on the turbidity of the water, multiple sediment filters may also be required before the UV system. If color or suspended particles are present, the transmission quality of any UV light is diminished and its disinfecting properties are then limited. Where this is a problem, a quality carbon filter may be needed after the sediment filter and before the UV unit.

I just installed a new filter cartridge and my water is cloudy white?

After you install a new filter (this is the case with any/all brands of filter cartridges) you should run it for a few minutes. Generally cloudy or white water indicates air in the line and this is natural and normal with a replacement of a cartridge. Air will enter in the housing, lines and cartridge. Just run the water for a few minutes and the cloudy conditions will go away (unless you have VERY cold water in which case it is the oxygen in the water that could be making the water look cloudy). It is always a good idea to run the water free flowing for a few minutes after installing any brand or type of new filter cartridge.

How long does the UV bulb itself last?

We recommend replacing the bulb once a year. The bulb may last longer than that, however its capacity for neutralizing microbes diminishes after that length of time.

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