Brand DAB No of pumps Two pumps (one duty + one stand-by) Application Direct boosting to house water network Model K30/70M Liquid Clean domestic water Total head From 20 to 32 meter Flow rate From 40 to 120 liter /minute The switch between the two pumps Switch duty at every new start Liquid temperature From 4 to 60 ºC Power (P2) for each pump 1 horsepower Ambient temperature Up to 55 ºC Frequency 60 Hz Voltage 230 Volt Rated current 7,2 امبيرOverview: The engineers and pump experts recommend to install two pumps (one duty + one stand-by) to ensure that water will not cut out when a pump get out of service. We are honored to offer the ideal solution for automatic start/stop control for two pumps (one duty + one stand-by) by one small automatic device and no need to install control panel or pressure tank or pressure switch or electrical float switch. PM TWIN device from Grundfos switches the duty between the two pumps automatically (The device switches duty between the two pumps at every start). This protects the pumps and prevents the block failure that occurs when a pump stop working for a long time. No need to install a complicated control panel which is not suitable for residential use. Complete set and no need to install any extra parts and the set includes 5 isolation valves , 2 check valves, 4 unions , steel baseplate and pressure gauge. Adjustable start pressure Protect the pump against dry running (no need to install electrical float switch or any other product to protect the pumps from work without water) Automatic restart when water get back after cut off The set stops automatically in case of continuous operation for 30 minutes (protect the house if someone forget a tap open) 2 years warranty and service centers at Al Zamil main branches The pumps and the pressure controller made in Europe and the set assembly in Al Zamil factories in Saudi Arabia delivery from 10 to 14 days This product is Subject for delivery and installation policy Please review the policy. Click here