Jaguar — new geyser not working

Address:	Kolkata, West Bengal, 700064
Website:	Jaguar customer service

Last week i bought new geyser 40 ltrs. I installed all new connecting pipes and knobs. Still there was no force in water. Service person said it is all ok. Water will be this much only. Senior came n suggested to change the pipes and knob. Did all these. Still same problem exists. I m not getting warm water and they don't have any solution. Please help.