Sterilight S740RL-HO Lamp

Sterilight S740RL-HO Lamp

MSRP: US$150.00
US$109.00
You save: $41.00!!

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Guaranteed Genuine Sterilight S740RL-HO Original Equipment Lamp. Don't be Fooled by Knock-Offs!

Sterilight S740RL-HO Lamp

  • Description
  • Specifications
  • Related Products
  • Installation / Manual
  • Reviews
  • Why Genuine

We are pleased to offer a complete selection of replacement lamps for all Sterilight ultraviolet (UV) sterilizers.

Sterilight S740RL-HO replacement lamps are designed only for use in Sterilight UV sterilizers. We do not recommend that you attempt to use Sterilight replacement lamps in models made by other manufacturers.

Sterilight S740RL-HO is the replacement lamp for the following models:

Sterilight S740RL-HO Specifications

Technical Specifications
Part # S740RL-HO (840726)
Max Flow 42 gpm
Lamp Power 80 Watts
Lamp Life 12 Months
GTIN 00773058010078
Replacement Sleeve <br>Part#:QS-740

Replacement Sleeve
Part#:QS-740

MSRP: US$89.00
Our Price: US$68.00
You save: $21


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Replacement Lamp/Sleeve Combo<br>Part#:SHO740-QL

Replacement Lamp/Sleeve Combo
Part#:SHO740-QL

MSRP: US$205.00
Our Price: US$149.00
You save: $56


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How to change a Sterilight S740RL-HO Lamp

  1. Turn off water supply valve to UV sterilizer
  2. Turn on faucet elsewhere in the home to depressurize the system
  3. Disconnect your UV system from power (unplug unit)
  4. Allow system to cool for 5 - 10 minutes
  5. Put on clean gloves
  6. Squeeze tabs on lamp connector and lift straight up
  7. Disconnect lamp connector from Sterilight S740RL-HO lamp
  8. Remove Sterilight S740RL-HO lamp from system
  9. Insert new Sterilight S740RL-HO lamp into the system
  10. Line up longest pin on lamp to shortest pin on lamp connector
  11. Once the Sterilight S740RL-HO lamp and lamp connector are attached slide assembly down towards chamber until you hear a click & it is attached
  12. Hold down reset button on side of power supply to reset day counter & plug in UV system
  13. Screen will display RSET
  14. Slowly open water supply valve to UV sterilizer
  15. Check for leaks
  16. Close faucet elsewhere in the home
Note: The Sterilight Sterilight S740RL-HO is a fluorescent lamp and can be recycled at most hardware stores or your local hazardous waste facility.

Sterilight S740RL-HO Lamp Reviews



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It is critical that only genuine Viqua brand original equipment lamps be used in your system. It has come to our attention that a number of Chinese manufacturers are making knock-off replica UV lamps. While they may physically fit in a Viqua system, they are NOT compatible. Testing of a wide range of these lamps has shown that many do not provide a safe UV dose or offer protection for the stated lamp life, and in some cases have even caused the failure of the ballast/controller and melting of the lamp harness.