Replacement Heads for Barlo or Giacomini TRV's They have also been badged as Tower Boss and Harp Replaces any TRV head badged Giacomini Barlo Tower Boss or Harp that fixes to the body by either ..

Thermal actuator for Giacomini or Hepworth HEP2O underfloor heating manifolds. 24v Normally Closed 2-Wire Suitable for replacing the following actuators Giacomini R473 NC 24v (R473X102) Giacom..

⅜" Horizontal (Side) Venting Often used in boilers where space to fit is limited...

Replacement manual control knob for Giacomini manifolds...

Giacomini replacement thermostatic Head for underfloor heating manifolds. 20-70C  ..

Replacement thermostatic kit for most Giacomini manifolds. For 38mm size bar as pictured.      ..

Thermal actuator for Giacomini or Hepworth HEP2O underfloor heating manifolds.230v Normally ClosedSuitable for replacing the following actuatorsHepworth Hep2O UH15Giacomini R473 NC 230v (R473X101)Giac..

Angle valve for thermostatic head, chrome plated.With cover to protect the body before assembling...

Straight Thermostatic Valve. 3/4" BSP..

Flow meter for return manifold from 1l to 4l/minute Fits between manifold and pipe...

Replacement flowmeter module for Giacomini modular manifold..

Replacement thermostatic module for Giacomini modular manifold..