Designing panel rads system

Wayco Wayne_2

6 panel rads in a house to supplement a radiant floor in slab. I have to run the panel rad lines in slab also. I am using Buderus panel rads with TRV's and the connections are 2 inches apart. What do you use to hold the lines in place during the pour. I was thinking PVC elbows but if anyone has a better idea please share it with me. WW

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Adam_12

I use those 3/4 pvc conduit bends ,they work like a charm and give a professional appearance.Just pound a piece of rebar beside them and tie strap the bend to the rebar.After the concrete has cured use a sawzall to cut the rebar flush with the concrete.

Wayco Wayne_2

Thank you

Adam for your input. WW

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Scrap pieces of PAP

is what I bend up for those. 1/2 pex easily fits inside 3/4" PAP. Make them with long arms on one end if needed. Cheap too!

If you are careful you can cut them near flush to the floor with a tubing cutter.

hot rod

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Weezbo

how about a Steel Mate pound a piece of rebar down

lash the two pieces of 1/2" though it put two pieces of 3/4" over the top; one red one blue ....call it good

Mike T., Swampeast MO

Don't know the lengths or temps involved for the panels, but need you consider some sort of insulation for the panel runs (particularly supply)? Have heard that temps above 150° or so aren't recommended for slabs and if the runs are long and the temps relatively high can't you expect some significant temp drop along the way?