RO high-pressure switch (hps) for all kinds of RO system suited for common ro water filter purifiers available in india, compatible with many ro brands and models-can be used in multiple water purifier models-counter top, desk top, stand mounted, wall hanging, under sink, most of the ro model cabinets. Save RO motor from overloading due to blockage of water in the RO unit. If the back pressure is high, this switch will act and turn off the power supply to booster pump thus saving the pump from overloading. Also ideal product for lab purpose/research/project design/demo work who would like to explore the functioning of the various filtration systems in our global environment by cross section analysis… Description: this hp switch is fitted on the output side of ro booster pump and will turn off the power supply to the pump when the water back pressure increases, as a result, a blockage in the reverse osmosis system. This will help to avoid overload of the booster pump and prevents burning of the coils inside the pump.