Set for connecting PROJECT ''D'' radiators from below, straight
Lower connection H-block: HERZ 3000, connection to the radiator is conical, with nut G 3/4 ", connection on the pipe side - external thread G 3/4", "Eurocone"
Thermostat head: HERZ PROJECT “D”, for installation on radiators with built-in “Danfoss RA” valve, connection thread M 23.5 x 1.5, 6-28°C,
Set components: Valve 1376621 + Thermohead 1726019