Watts Quarter-Turn Stackable Supply Stop, CTS Inlet Type, 250 psi - 3543-10

Watts Quarter-Turn Stackable Supply Stop, CTS Inlet Type, 250 psi - 3543-10

Marsoni

M251S

$16.22

Get it in 3 business days with 1 day shipping. Friday, May 29

Watts Quarter-Turn Stackable Supply Stop, CTS Inlet Type, 250 psi - 3543-10Quarter Turn Stackable Supply Stop; Body Style Valves: Straight; Inlet Size: 1 2 in; Inlet Type: CTS; Outlet Size: 1 2 in; Outlet Type: CTS; Max. Pressure: 250 psi; Temp. Range: 0 Degrees to 180 Degrees F; Body Material: Polysulfone; Standards: ASTM F87 7, CSA B137. 5, FDA Approved, IAPMO IGC 188 2004c Certified, NSF 14 And 61 Certified, NSF UP; Green Certification or Other Recognition: NSF(R) Certified (Sustainability or Environmental Standard)

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Fit & Quality: Everything fit perfectly on my Eufy Omni S1 Pro — the rollers snapped right in, and the filters matched the originals exactly. You can tell these are genuine Eufy parts, not knockoffs. Performance: After swapping the brushes and mop roller, my vacuum immediately started cleaning better again. Suction improved, and it picked up fine dust I hadn’t noticed before. Ease of Use: Installation took less than ten minutes. Everything comes sealed and labeled clearly, which makes it simple to replace parts without guessing. Value: It’s a little pricey compared to third-party kits, but the quality and compatibility are worth the extra few bucks. Verdict: Solid replacement set that restores performance to like-new.

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Reviewed in the United States on November 2, 2025

Verified Purchase

Tom Mulé

Grantham, US

★★★★★ 5

Great aftermarket substitute items

Great quality and fit

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Reviewed in the United States on December 16, 2024

Verified Purchase

Guy Charles