Allows heat source to operate at lowest possible temperature.
Wavin Hep2O 24V 2-Wire UFH Actuator Composite Manifold,
Wavin Hep2O Underfloor Heating Manifold
Wavin Composite Manifold 230V 2 Wire UFH Actuator Normally Closed
Wavin Blending Cartridge Composite Manifold
wavin actuator composite manifold 35CS498 normally closed, NC 230 V - 2 wire
Wavin Hep2o Actuator Adapter Ring for Composite Manifolds
