Set of steel manifolds 40x40mm, 1 ″ UN for underfloor heating, return-flow, with brackets, stermostatic control valves and flow meters (topmeters), connections 3/4 ″ HV for eurocone with breather valves 1/2 ″ (without drain taps) . Operating temperature max. 95 ° C, operating pressure max. 6 bar