Image is for illustration only and should not be relied upon Giacomini / HEP2O Thermal Actuator

Giacomini / HEP2O Thermal Actuator


Express delivery Available Until 4pm
UK Mainland Only,
3pm cut-off for Highlands and Islands
1pm for Europe

Image Product Stock Price Add to Cart
 230V 2-Wire
230V 2-Wire
HCO Code: 07A00
In Stock £24.52 Ex VAT: £20.43
 230V 4-Wire
230V 4-Wire
HCO Code: 11B10
Out Of Stock £30.28 Ex VAT: £25.23

Thermal actuator for Giacomini or Hepworth HEP2O underfloor heating manifolds.

230v Normally Closed

Suitable for replacing the following actuators
Hepworth Hep2O UH15
Giacomini R473 NC 230v (R473X101)
Giacomini R473V NC 230v (R473VX101)
Giacomini R479V NC 230v (R479VX101)
Giacomini R479 NC 230v (R479X101)
Giacomini R475V NC 230v (R475VX001)
Giacomini R475 NC 230v (R475X001)
Taconova Novadrive 257.2864.000

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Can you confirm this product comes with the ring nuts to fit? They cannot be fitted without. If not, can you supply? Thanks
Yes they are included.
Hi just is the difference (besides price) between 2 wire and 4 wire units?
Hi. The 4-wire version has a microswitch for switching on a pump/boiler.
Hi, I need a 230v 2wire replacement actuator for a giacomini r479, which is the cheapest one you do please
This is the one you need. Giacomini have a unique connection, so there is not much choice.
Will this part replace my Wavin actuators 15UH402?
No, you need this one:
Can the Giacomini/HEP20 thermal actuator replace a Giacomini R475V and if so does it need an adapter clamp to fit on the manifold?
Yes it can (as long as it is NC 230v). You will not need an adaptor.

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