TECMARK 21A SPDT VACUUM SWITCH - V4003P-DX

TECMARK 21A SPDT VACUUM SWITCH - V4003P-DX

Marsoni

M251S

$109.99

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

TECMARK 21A SPDT VACUUM SWITCH - V4003P-DXThe Tecmark Vacuum Switch V4003P DX (also referenced as a Tecmark 21A SPDT Vacuum Switch) is a reliable replacement safety component designed to detect vacuum (negative pressure) conditions in spa plumbing. It ensures proper system protection by signaling the control board when theres excessive suction or improper suction levels, helping prevent unsafe conditions around pump suction and heaters. Tecmark 21A SPDT Vacuum Switch Negative Pressure

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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.
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I absolutely love this 4-panel room divider! It was super easy to assemble — I had it set up in just a few minutes. The material isn’t too see-through, which gives just the right amount of privacy while still letting some light through. It does exactly what I needed it to do and looks so clean and sleek in my space. Perfect balance of style and function — highly recommend!

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Reviewed in the United States on November 7, 2025

Verified Purchase

Virginia C.

Fort Morgan, US

★★★★★ 5

A quick private space

Color: Black, Size: Standard - 4 Panel

Went together easily, just the right height and width for just a bit of privacy.

WAS THIS REVIEW HELPFUL?YesReportShare

Reviewed in the United States on March 3, 2026