Mark II Sentinel Vacuum Regulator

Marsoni

M251S

$157.50

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

Mark II Sentinel Vacuum RegulatorThe MKII Sentinel Vacuum Controller is appropriate for installations where airflow does not exceed 150 CFM ASME and features direct sensing that is sensitive to 0. 1" hg of change in vacuum pressure. Featuring ABS housings and top dome and main filter, the Mark II may be adjusted between 10" and 15". 2" Female NPT mounting connections. Overall dimensions 6" in diameter and 11 1 4" high. Wt. 1 1 4 lbs.

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The units looked really cool and were of excellent quality. They popped up reliably albeit slowly which was fine with me. I was really looking forward to using these in a built in cabinet we're making but they did not fit where I wanted them so I had to send them back. I would buy these again if I ever had a project that needed them.

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Reviewed in the United States on December 12, 2025

Verified Purchase

Whiting, US

★★★★★ 5

Good buy and very useful accessory as a cut in on a table.

Model: Pop up outlet-black

Bought these for a new built in enclosed patio buffet table. Everyone always needs plugs for phones, computers, iPads, etc. This is perfect and cover recesses to minimize exposure although mine is not exposed to outside weather.

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Reviewed in the United States on November 10, 2025

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Amazon Customer

Battle Creek, US

★★★★★ 5

Awesome

Model: Pop up outlet-black

these work awesome!

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Reviewed in the United States on October 6, 2025

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