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[suzukidad]

Building a 30 x 40 garage/workshop and am wanting to put radiant heat in the floor from the Heatmaster. Bought it plenty big for the task but need designs for the plumbing.

Garage will be 2 car brick in construction, 2 x 6 walls, with 6/12 pitch roof with storage trusses. Walls and ceilings will be insulated well.

Any suggestions.

Thanks

Vince

[willieG]

Building a 30 x 40 garage/workshop and am wanting to put radiant heat in the floor from the Heatmaster. Bought it plenty big for the task but need designs for the plumbing.

Garage will be 2 car brick in construction, 2 x 6 walls, with 6/12 pitch roof with storage trusses. Walls and ceilings will be insulated well.

Any suggestions.

Thanks

Vince

you don't mention under the slab insulation?

[suzukidad]

That's part of the question. I have read 2" foam and have no issue with that.

Specifically:

1. How far apart to put pex runs
2. Manifold configuration?
3. How to get heat to runs?
4. Additional pump necessary? stove 100' away.

[mlappin]

Basically you’ll be setting up a primary/secondary loop. Your primary is from the stove to the garage and back and the secondary is your floor loops. Easiest would be is if your loops can exit and enter the floor right where your underground pipe comes into the garage.

Since a picture is worth a thousand words, here’s a diagram from CB’s site, you’ll just want to ignore the forced air and water heater part of it.

http://www.centralboiler.com/media/1110/c190.pdf

[suzukidad]

That helps! Thanks