Low Pressure Switch/Valve 1/4" Female BSP (3/8" can be fitted) - TradeMark Aquatics
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NEW AUTOMOTIVE AC LOW PRESSURE CUT-OFF SWITCH R12 - MALE 3/8-24" THR- 5203 | eBay
Low Water Pressure Switch 0005PRE03010/0 - LP Supplies Ltd.
Low Voltage Switch, DC 24V 1/4" Low Pressure Switch, Switch for Pump RO Water Fitlers Reverse Osmosis Tank 0.01MPa Action : Amazon.co.uk: Business, Industry & Science
LEFOO LF08 Air Pressure Switch Air Compressor Pressure Switch Low/High Pressure Switch 10-40psi / Wire Terminal/Normal Close : Amazon.co.uk: DIY & Tools