Seton W-90E - HOW TO Underground Heating Lines

WOOD BOILER INSTRUCTIONS Page 55 Copyright © 2011 Seton Wood Boilers all rights reserved
HOW TO Underground Heating Lines
This drawing is to demonstrate a simple and inexpensive method of taking heat from one building to another or to
protect underground pipes from freezing, by using 4” corrugated drain pipe for a conduit.
THIS METHOD ALLOWS YOU TO REPLACE LINES OR WIRES WITHOUT DIGGING
1- THE DITCH DOES NOT HAVE TO BE DEEP, 2 TO 3 FT. IS GOOD.
2- INSTALL THE 4” CORRUGATED PIPE IN THE BOTTOM OF DITCH WITHOUT PEX.
3- FILL THE DITCH UP TO THE TOP OF THE CORRUGATED PIPE AND COMPACT.
4- COVER THE CORRUGATED PIPE WITH INSULATION.
5- FINISH BACKFILLING THE DITCH AND COMPACT.
6- TO INSTALL TUBING IN THE ADS, BEND ABOUT A FOOT OF IT BACK SHARPLY, TAPE THE END
TO ITSELF AND PUSH.
YOU CAN ALSO COVER THE CORRUGATED PIPE WITH FOAM RIGHT IN THE DITCH.
DIRT
1” OR 3/4”
PEX TUBING
SPRAY CLOSED CELL
FOAM IN DITCH
3” OR 4”
CORRUGATED PIPE
DIRT
2” HIGH DENSITY INSULATION
3” OR 4”
CORRUGATED PIPE
1” OR 3/4”
PEX TUBING
THE TUBING BEING SOLD WITH FOIL WRAPPED FIBERGLASS IN IT IS NOT GOOD.