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Honeywell Actuators
Alan (California Radiant) Forbes
Member Posts: 4,212
From what I remember, Honeywell took over the Sparco line and then these were discontinued. Is there a replacement?
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
Two btu per sq ft for degree difference for a slab
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Comments
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Originally Sparco Powertrack, then Honeywell Sparco. Wirsbo and maybe Embassy used them also.
I suspect a thermal actuator may work also. Need to try one on an old manifold if you ever come across a manifold changeout.Bob "hot rod" Rohr
trainer for Caleffi NA
Living the hydronic dream0
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