bids are invited for sitc heat pump - sitc of heat pumps system for hot water using heat energy source from ambient air to hot water , hot water piping and valve with insulation - providing and fixing, to wall ceiling and floor approved quality cpvc sdr 11 pipes , nitril rubber insulation - 13 mm nitril rubber insulation with aluminium faced one side on existing piping in shaft area pipe size 32 mm , ball valves - 20 mm dia make zoloto sant castle , gun metal or brass non return valve - 20 mm dia. make zoloto sant advance , charges - transportation unloading lifting nad shifting on terrace , electrical works - sitc of 4c x 2.5sqmm xlpe cu armoured cable for circulation pumps. make polycab havells kei , mcb for heat pump - supply and installation of 16 amp mcb for heat pump , cable - earthing copper cable 4 mm dia total quantity : 720