PVC bronkop / putdeksel 125 mm (1 1/2'' / 50 mm doorvoer) variant:RVS bouten The 4SR4/9 is equipped with

The 4SR4/9 is equipped with a floating axial multi impeller system and can pump up to 150 grams of sand per m3 (medium)

By applying an optional non-return valve (installation afterwards) you ensure that sprinklers up to a height difference of 2 meters do not empty to the lower sprinkler(s)

overheating and lightning

• Voeding door één 9V batterij (1 jaar) of twee 9V batterijen (2 jaar)

PVC bronkop / putdeksel 125 mm (1 1/2'' / 50 mm doorvoer) variant:RVS bouten The 4SR4/9 is equipped withWith the PVC source head 125 mm you can firmly close a 125 mm groundwater source. Seamlessly attach this adhesive flange to a pressure pipe of the same size. The source head has a handy internal thread connection at the bottom. You can easily attach a Tyleen coupling with an external thread to this. The source head is completely airtight and watertight and is supplied complete with M16 bolts and a rubber sealing ring. Connections The brine cover is