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Hydronic issues.

Simplex

New member
Joined
Nov 12, 2011
Messages
1
I appologize for lack of info but this was an exsisting build that my gf bought so i dont exactly know how te system was installed.

Sub floor with glycol heated through water heater. And circ pump. Very basic

One outlet and one return.
There are 2 other pipes coming from the floor that are just taped over.

Had some leaks so fixed those for her. Got it fired up and the heater heating at max capacity with the circ pump going full bore to try toget things up to temp.

Mentioned to her how i was jealous because she could work out there in a tshirt and i couldnt in mine. She said the previous year when she had it running it was just above freezing. Never comfortably warm.

Curious as to why this is.. Fear is the floor wasnt insulated... But lets say it was..

Could those dead headed lines be another unused circut? Is her pump not moving enough fluid? Water heater not big enough? Where should i start to trouble shoot this..


Its turned into a bit of a "dammit im right" aituation cause she doesnt think its possible. So now im on a mission.
 
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KenB

Well-known member
Joined
Dec 8, 2008
Messages
337
Location
Pittsburgh, PA
How many sq. ft.? What are the supply and return temps? Any idea how many GPM the pump is rated for?

You can probably trace the in-floor loop while it's active by using an infrared thermometer. That will tell you if there are areas not being served by the active loop where the deadheaded lines might go.


Ken
 
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