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for DPS-120 | DPS-90 Double Diaphragm Pump
attach the air supply
) 1 Overall Width (In
Heavy duty build quality and design
MTM Hydro Vacuum Switch - 4.5 Hg 9.75" SOB for DPS-120 | DPS-90 DoubleMTM Hydro's European Vacuum 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 low pressure vacuum threshold near the pump inlet where this switch is mounted on a 'T' fitting. As you disengage your gun by releasing the trigger, the pressure suddenly spikes which puts your system in bypass and eliminates the low pressure vacuum