Welcome! Here are the website rules, as well as some tips for using this forum.
Need to contact us? Visit https://heatinghelp.com/contact-us/.
Click here to Find a Contractor in your area.

Uponor Thermal Sealed Actuators: 2 wire vs 4 wire

cloudd
cloudd Member Posts: 49
in Radiant Heating
Uponor
Stainless-steel Manifold Assembly, 1" with flow meter, B&I, ball valve, 12 loops
PART NO.A2701202

In a new install, why would I pick a 4 wire over a 2 wire thermal sealed actuator? What would determine this?

Comments

  • hot_rod
    hot_rod Member Posts: 24,591
    4 wire means it has an end switch to trigger the boiler or a pump. If you have multiple thermostats you probably want 4 wire.
    Bob "hot rod" Rohr
    trainer for Caleffi NA
    Living the hydronic dream

Categories