Viqua / Sterilight QS-740 UV Sleeve

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

Sterilight Model #QS-740 replacement sleeves are designed only for use in Sterilight or Viqua UV sterilizers. We do not recommend that you attempt to use Sterilight replacement sleeves in models made by other manufacturers.

It is critical that only genuine Sterilight brand original equipment sleeves be used in your system. It has come to our attention that a number of Chinese manufacturers are making knock-off replica UV sleeves. While they may physically fit in a Sterilight or Viqua system, they are NOT compatible. Testing of a wide range of these sleeves has shown that many do not allow a safe UV dose to pass through the sleeve and may be subject to failure.

Sterilight QS-740 is the sleeve for the following models:

• SP740-HO
• SPV740
• SC-740
• SCM-740
• SPV-15

Sterilight QS-740 Specifications

Technical Specifications
Part #	QS-740
Replace Sleeve	every 24 Months or as needed

How to change a Sterilight QS-740 Sleeve

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. Follow instructions for removing lamp
6. Remove the top retaining nut & O-ring
7. Remove the bottom retaining nut, Spring and loosen the O-ring to drain the water
8. Remove the quartz sleeve from the UV chamber.
9. Clean the quartz sleeve with a cloth soaked in CLR, vinegar or some other mild acid and then rinse with water.
10. If quartz sleeve can not be cleaned purchase a new sleeve.
11. Re-insert the quartz sleeve with O-ring(s), Spring, and retaining nut(s).
12. Hand tighten the retaining nut(s), taking care not to over-tighten.
13. When service is complete, assemble the prerequisites in the reverse order of disassembly.
14. Turn on water supply valve
15. Check for leaks
16. Close faucet elsewhere in the home

Viqua Sterilight QS-740 Sleeve Reviews

Other Similar Sterilight Sleeves Reviews

Filter & light system
Service was awesome!! And delivered on time as spoken - good product - Hal
Untitled
- Anonymous
Problem rectified
I purchased a UV lamp sterilizer and it was broken upon arrival. I called service and explained the situation and they assisted me and a replacement lamp was shipped free of charge within 3 days. I appreciate this quick response time since I drink the lake water. Thank you. - Carol Hislop

Service was friendly, fast and effecient! - Kevin Bourgeois
Sterilight
Easy to use website. Order accurate and quickly arrived, all was perfect! - Jeff Adam
Not so easy to use
Instructions were not great. Also it would help if the glass had a marker at the top and bottom to ensure proper positioning. Had to redo three times before it would stop leaking. - Doris S
Happy Customer
It's always a pleasure to do business with Home Plus Products. Ordering is easy, products are great, and the shipment always arrives in a timely manner!! Friendly customer service, too. - Al & Wendy

- jim
VIQUA Sterilight Sleeve-QS-001
It solved the problem. Seems to be working fine. - Dory

Viqua Sterilight QS-740 Sleeve Customer Questions & Answers

Question:	Does this come with the O-rings
Answer(s):	Yes, all Viqua sleeves and lamp / sleeve combos come with the necessary o-rings By HomePlus Water on Feb 15, 2024

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.