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Manifold & Actuator Question

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Kungur
Kungur Member Posts: 49
in Radiant Heating
Looking at manifolds and the accessories offered I see that there is an 'Actuator" available. Is this a thermostatically controlled valve that can be used to zone a single loop ,or loops if 2 or more are used together,?

Thanks

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  • Alan (California Radiant) Forbes
    Alan (California Radiant) Forbes Member Posts: 4,642
    Manifold Actuators

    are normally electrically operated (24 volts) by a thermostat.  So, to answer your question: yes, they are (indirectly) thermostatically controlled.
    8.33 lbs./gal. x 60 min./hr. x 20°ΔT = 10,000 BTU's/hour

    Two btu per sq ft for degree difference for a slab
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