TRV pack Calypso exact

Bi-directional thermostatic radiator valve with stepless precision presetting, head and lockshield

The HEIMEIER TRV pack, consists of a Calypso TRV body, D-U or Halo head and lockshield. Designed for application in a two-pipe pumped heating system. The Bi-directional thermostatic radiator valve can be fitted either vertically or horizontally in the flow or return and either end of a radiator giving the installer total flexibility.