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1/2" MPT FLOW SWITCH - HW-Q12DSMSC

Marsoni M251S
Sale price$114.00
Pay 4 payments of $28.50 a month.Shop Pay
Get it in 3 business days with 1 day shipping. Friday, May 29
1/2" MPT FLOW SWITCH - HW-Q12DSMSCThe HW Q12DSMSC flow switch is a reliable replacement component designed for spa and hot tub systems. Commonly used across multiple brands, it monitors water flow within the plumbing system and ensures that critical components such as the heater only operate when proper circulation is present, preventing overheating and equipment damage. 1 2" MPT Flow Switch HW Q12DSMSC Accurate Flow Monitoring Detects water movement within the system to confirm
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Your 1/2" MPT FLOW SWITCH - HW-Q12DSMSC orders ship within 1-2 business days.

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  • Standard: 3-7 business days
  • Fast: 2-3 business days
  • Express: 1-2 business days

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Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
4.9 ★★★★★
Based on 1818 reviews
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Verified Purchase
Susan F. Montville
Phoenix, US
★★★★★ 5
Easy to do it yourself and save!
Size: 8.8" x 9.3" x 1.2"
One place wanted $85 to replace this! Another wanted $50! I ordered this for $10, watched a YouTube video and did it myself! Super easy!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 10, 2026
T
Verified Purchase
T. N.
Grantham, US
★★★★★ 5
Buy it, worth it.
Size: 8.8" x 9.3" x 1.2"
Good quality product. Easy to use and install. Worth the money.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 20, 2026
M
Verified Purchase
Madfire Ink
Boise, US
★★★★★ 5
Amazing
Fit as directed for my wifes 1998 ford explorer sport and worked as described.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 6, 2026
R
Verified Purchase
Renee
Chelsea, US
★★★★★ 5
PRICES
GREAT
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 5, 2025
H
Verified Purchase
how do I rate it?
Omaha, US
★★★★★ 5
Good filter
Pretty thick. May restrict airflow a little bit but it's a good filter.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 2, 2024

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