MTM Hydro 1/4" Big Pressure Switch - 210 PSI

Marsoni

M251S

$31.45

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

MTM Hydro 1/4" Big Pressure Switch - 210 PSIDescription MTM Hydro's Italian Pressure Switches are used in a variety of methods to turn other items in a pressure washing system on or off. Typically, this switch is used for burner control and is activated by a pressure threshold within the unloader where the switch is mounted. As you disengage your gun by releasing the trigger the pressure suddenly spikes within the switch. This increase in pressure will turn the burner off so that you are not

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We offer a 30-day return/exchange service after receiving.
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Been going through these for about two years now across multiple replacements and they perform just as well as the official Eufy parts. Main brush, side brushes, filters, dust bags, mop — all fit correctly and do the job without any issues. Honestly if you’ve got a Eufy Omni S1 Pro, just buy these instead. No reason to pay extra for the official kit when these hold up just as well over time. No complaints

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Reviewed in the United States on March 22, 2026