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TECMARK 20A DPDT LATCHING AIR SWITCH - TBS-317
TECMARK 20A DPDT LATCHING AIR SWITCH - TBS-317
TECMARK 20A DPDT LATCHING AIR SWITCH - TBS-317
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TECMARK 20A DPDT LATCHING AIR SWITCH - TBS-317

Marsoni M251S
Sale price$33.99
Pay 4 payments of $8.50 a month.Shop Pay
Get it in 3 business days with 1 day shipping. Friday, May 29
TECMARK 20A DPDT LATCHING AIR SWITCH - TBS-317The TBS317 is a latching air switch designed for spa and hot tub control systems. Made by Tecmark (also sold under Senasys and similar names), it provides safe, remote airactivated on off switching for electrical equipment like pumps, blowers, lights, and other devices. Tecmark 20A DPDT Latching Air Switch TBS317 Reliable Control Logic Double Pole Double Throw (DPDT) design offers alternate (latching) action to control two circuits with one switch.
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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
4.7 ★★★★★
Based on 1417 reviews
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Product Reviews
N
Verified Purchase
Nicholas K
Lexington, US
★★★★★ 5
Great filter
Size: AF259
This fit my Mazda CX-5 perfectly. I'm happy with the seal and quality. Great price. I will certainly reorder for my next replacement.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 19, 2026
A
Verified Purchase
Amazon Customer
Massapequa, US
★★★★★ 5
Great fit and quality
Size: AF113
Not a complicated product, but after going to 2 different auto parts stores and this not being in stock, Amazon to the rescue. Arrived the next day and the quality is definitely on par with “store brand” ones from retailers. Definitely cheaper as well.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 23, 2026
A
Verified Purchase
AC
New York, US
★★★★★ 5
Fit my 2014 Accord perfectly
Size: AF476
Seems to be the same quality as OEM. Fit perfectly. Easy to install.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 24, 2026
B
Verified Purchase
Becca
Lexington, US
★★★★★ 4
Affordable priced. Fits well
Size: AF377
They work good in my 2019 Toyota RAV4
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 11, 2026
M
Verified Purchase
MarkC
Massapequa, US
★★★★★ 5
Perfect fit, slid right into place and locked like it should
Size: AF943
Wanting to correct my previous review (I reviewed the incorrect item). This product fit perfectly in my vehicle- my apologies for the first review; perhaps Amazon or the vendor can replace the first review with this one. I am very pleased with this item.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 15, 2026

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