Snall Radiant Floor Job

Wayco Wayne

radiant floor job. The room is 13 x 13. I installed RTI plates and pex tubing. It has hardwood floors. I was thinking of just using a thermostatic mixing valve run by a Danfoss MTD tstat in the room. It operates on air temp with a floor sensor that can be used to limit floor temp in this case to protect against overheating the hardwood floors. What brand of Thermostatic mixing valves do you guys use? What temperature ranges do you recommend?

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Unknown

use a Danfoss mix valve

The maximum floor temp.should not exceed 87.5ºF You can get up to 45 BTU/ft @ that temp.

Leonard makes a decent thermostatic mix valve.

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Mike T., Swampeast MO

But you better limit air temp at that level...

"You can get up to 45 BTU/ft @ that [87.5ºF surface] temp."

With a t-stat set at 70° that floor is going to be over 90° with that output level.