Snowmelt

Andrew Hagen (ALH)

Our latest one.

We milled the lid with a customer's logo. When installed, the lid will be upside down. When starting the system up, the lid gets turned right side up.

The manifolds are all 304 stainless with brass fittings.

-Andrew

jhansen

SNOWMELT

i am installing snowmelt for a garage with sleeves already installed for 6 circuits of 310 feet each. this will put my centers at 1 foot and i wonder what size tubing i should go with. there is also a section of concrete i would like to cover at the very end of the circuits which is an additional 650 square feet and total of 200 feet out making a return close to 400 feet. any ideas on high head pump for this area.

jrh

Mark Eatherton1

Different approach...

Instead of homerunning everything from the mechanical room, why not use the sleeves for larger supply and return lines going to remote distribution manifolds?

12" OC is kinda wide for my area (Colorado). It might work in your case, but not in mine.

I'd strongly suggest you contact a manufacturer, like Wirsbo, and get some design assistance from them, because once the concrete's poured, it ain't easy to change.

We use sprinkler boxes for in ground remote distribution boxes. I've also use fiberglass/cement boxes for commercial areas with high traffic.

I picked up a very lucrative contractor because of a plumber with hydronic sense like yours. The GC just happened to drive by a 10,000 sq. ft. snowmelt system we were installing in his neighborhood. He walked up and said "So THAT's how it's done eh..." He said his plumber told him he couldn't do the whole driveway because of loop length limitation. It was 500 feet from the house to the furthest part of the drive way.

I've since done about $300,000 worth of work for the GC, and expect to do a lot more in the future.

BTW, I wouldn't recommend anything less than 5/8" for snowmelt applications...

Here's a small snowmelt we did in front of a local church. The physical plant is 300 feet away from the area being served. THe pastor had three other bids from local plumbers wanting to set a new outdoor boiler to service this area. We did it for less by tying into their existing boiler and running remote lines to the in ground distribution box.


Think outside of the box...

ME

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hr

You're missing one thing, ME

Grind off the lettering, heat up the concrete stamp with a torch and let the world know what's under that slab, and who proudly installed it

It may keep the lawn sprinkler guy from blowing out your glycol someday.

hot rod

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Mark Eatherton1

Where...

does one purchase said stamp HR? Very cool marketing idea BTW.

ME

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hr

http://www.krafttool.com/

you may have to order through a dealer.

hot rod

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Mitch_4

cool idea

I lurk and learn here, and was wondering..I know you insulate the lines to the remote box, but what are you using?

Mitch

Mad Dog_2

We use regular armaflex

Yes very coll tool HR. Mad Dog

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Mark Eatherton1

What Dawg said...

On some larger jobs, we use large bore (1-1/2") PEX, and 3/4" Armorflex.

ME

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Mitch_4

thank you for the info

and my education continues.

Many thanks gents.

Mitch

leo g_13

Hey prof,

what about the outside edges of the slab? Here in balmy Vancouver, we don't really worry about insulating the edges, but up in Whistler it can be a concern. You have any good way of insulating the edges, that allows the pour to be thick enough so as the concrete doesn't crack?

Leo G

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