VIQUA QSO-950 UV Quartz Sleeve for VP950, VP950M, SHF-290
VIQUA QSO-950 UV Quartz Sleeve for VP950, VP950M, SHF-290
Description
Replacement sleeve for VIQUA VP950, VP950M, SHF-290 and SHFM-290 Model systems. The quartz sleeve keeps the UV lamp from shorting out and maintains the lamp's ideal operating temperature of 104 Degrees Fahrenheit. Mineral build-up hinders the lamp's effectiveness.
- Length: 42.60"
- Replace every 24 months or as needed
Q:
What is the QSO-950 quartz sleeve compatible with?
A:
The QSO-950 is a genuine VIQUA replacement quartz sleeve specifically designed for the VIQUA VP950, VP950M, SHF-290, and SHFM-290 Professional UV water disinfection systems. The VP950 and VP950M treat water at 34 GPM, making them ideal for larger homes (5-7 bathrooms) or light commercial applications. The SHF-290 and SHFM-290 are high-flow commercial systems that treat 290 GPM. The QSO-950 is a double open-ended (DOE) sleeve that surrounds and protects the UV lamp. For more information, visit https://espwaterproducts.com/products/viqua-qso-950-uv-quartz-sleeve-for-vp950-vp950m-shf-290
Q:
How often should I clean the QSO-950 quartz sleeve?
A:
Clean annually for VP950/VP950M systems. With poor water quality (hard water, iron, manganese, wells), clean every 3–6 months. Best done during annual lamp replacement. Water hardness over 7 gpg may require a softener. Details: https://espwaterproducts.com/pages/how-to-clean-a-uv-sleeve
Q:
How do I clean the QSO-950 quartz sleeve?
A:
Shut off water, depressurize, unplug power, and cool 5–10 min. 1) Remove cover, lamp plug, lamp, sleeve bolt, and o-rings (wear clean gloves). 2) Clean the 42.6" sleeve with CLR, vinegar, or citric acid using a lint-free cloth; soak 15–30 min if needed. 3) Rinse, air-dry, install new o-rings, and reassemble. 4) Never use abrasives. Full guide: https://espwaterproducts.com/pages/how-to-clean-a-uv-sleeve
Q:
How often should I replace the QSO-950 quartz sleeve?
A:
The QSO-950 quartz sleeve should be completely replaced every 24-36 months (2-3 years) regardless of cleaning, as recommended by VIQUA. This ensures the UV system continues to operate at peak performance. However, if the sleeve becomes cracked, chipped, or remains cloudy after thorough cleaning with acid solutions, it must be replaced immediately regardless of age. Regular cleaning every 6-12 months extends the sleeve's life, but once mineral buildup becomes permanent and cannot be removed, replacement is necessary. Note: VP950/VP950M systems use 1 sleeve, while SHF-290/SHFM-290 commercial systems use 5 sleeves total. Shop for replacement sleeves at https://espwaterproducts.com/products/viqua-qso-950-uv-quartz-sleeve-for-vp950-vp950m-shf-290
Q:
What are the specifications and dimensions of the QSO-950?
A:
Length: 42.60 in (1082 mm) OD: 23 mm | ID: 20 mm Type: Double open-ended (DOE) Material: 100% fused silica quartz (95%+ UVT) Includes 2 o-rings Maintains optimal lamp temp of 104°F. Handle carefully due to length. Details: https://espwaterproducts.com/products/viqua-qso-950-uv-quartz-sleeve-for-vp950-vp950m-shf-290
Q:
How much does the QSO-950 quartz sleeve cost?
A:
Typically $120–$146 USD per sleeve. The QL-950 lamp & sleeve combo offers better value for VP950/VP950M maintenance. Current pricing: https://espwaterproducts.com/products/viqua-qso-950-uv-quartz-sleeve-for-vp950-vp950m-shf-290
Q:
What are the signs that my QSO-950 sleeve needs cleaning or replacement?
A:
Needs cleaning: • Cloudy/white mineral film • Reduced UV intensity (monitored systems) • 6–12 months since last cleaning Needs replacement: • Any cracks, chips, or fractures • Cloudiness that won’t clean off • Scratches, etching, pitting, or discoloration • Deformation or age of 24–36 months Compromised sleeves reduce UV disinfection. VP950 parts: https://espwaterproducts.com/collections/viqua-vp950-34-gpm SHF-290 parts: https://espwaterproducts.com/collections/viqua-shf-290-290-gpm
Q:
Why should I use genuine VIQUA QSO-950 sleeves instead of aftermarket alternatives?
A:
Genuine VIQUA sleeves ensure correct fit, 95%+ UV transmittance, and certified performance. Aftermarket sleeves may have poor UV output, inferior materials, higher breakage risk, and can void certifications and warranties. In high-flow systems—especially 290 GPM commercial units—non-genuine sleeves pose serious health risks. Buy genuine: https://espwaterproducts.com/products/viqua-qso-950-uv-quartz-sleeve-for-vp950-vp950m-shf-290
Q:
Can I install the QSO-950 quartz sleeve myself?
A:
VP950/VP950M: DIY installation is possible for mechanically skilled homeowners but risky due to the fragile 42.6" length (25–35 min). SHF-290/SHFM-290: Professional installation strongly recommended (5 sleeves, complex). Work slowly, wear gloves, support the sleeve fully, and replace o-rings. Consider keeping a spare sleeve. Instructions: https://espwaterproducts.com/products/viqua-shf-290-uv-system-290-gpm-4-flange
Q:
What is the purpose of the QSO-950 quartz sleeve in my UV system?
A:
It protects the UV lamp from water, maintains the optimal 104°F operating temperature, isolates the lamp from contaminants, allows 95%+ UV-C transmission, creates a sealed pressurized environment, and ensures consistent UV dosage at rated flow (34 or 290 GPM). Dirty or damaged sleeves reduce disinfection effectiveness.
Q:
What other replacement parts should I have on hand for my VP950
A:
VP950 / VP950M: • UV Lamp (S950RL-HO) – yearly • Quartz Sleeve (QSO-950) – every 24–36 months • O-rings (410867) – annually • Lamp & Sleeve Kit (QL-950) – cost-effective bundle • Controller (BA-ICE-C or BA-ICE-CM) • UV Sensor (254NM-C1, VP950M only) • Retaining Nuts (RN-001 / RN-001-1) SHF-290 / SHFM-290: • UV Lamps (S950RL-4C) ×5 – yearly • Quartz Sleeves (QSO-950) ×5 – every 24–36 months • O-rings ×5 sets • QL-290 Kits ×5 • Controllers (BA-ICE-HF / BA-ICE-M-HF) • UV Sensor (254NM-HF, SHFM-290 only) VP950 parts: https://espwaterproducts.com/collections/viqua-vp950-34-gpm SHF-290 parts: https://espwaterproducts.com/collections/viqua-shf-290-290-gpm
