Only compatible with the Composite manifolds by Warmafloor / Wavin.
Wavin Hep2o Actuator Adapter Ring for Composite Manifolds
Wavin Hep2O Actuator 230V
Wavin Hep2O Warmafloor VA50 UFH Actuator Adapter Ring
Wavin Hep2O 24V 2 Wire UFH Actuator
Wavin Hep2O UFH Actuator Adaptor VA50
Wavin Hep2O 24V 2-Wire UFH Actuator Composite Manifold,
