Plumbing Supplies
Seaflo 55-Series Diaphragm Pump - 12V DC, 5.5 GPM, 60 PSI with HEAVY DUTY PRESSURE SWITCH
Self priming. 5 chamber diaphragm pump. Built-in pressure switch, it automatically turns on and off as you turn your tap on and off. With a built-in bypass function, the 55 series is able to reduce rapid cycling and not allow water to flow back from...
https://www.bizrate.co.uk/plumbingsupplies/seaflo-55-series-diaphragm-pump-12v-oid7528450098.html