Plumbing

What type of joints are used to install polythylene tubing for hydronic piping systems?

The maximum amount of fuel oil stored above ground or inside a building shall be ___ gallons.

Vent piping on oil tanks shall be not smaller than (a)   - inch pipe.

Oil tank vent piping shall terminate outside of buildings at a point not less than (a)   feet, measured vertically or horizontally, from any building opening.

Components of a solar thermal energy system that might be subjected to a vacuum during operation or shutdown shall be designed to withstand such a vacuum or shall be protected with (a)   .

What is BTU and abbreviation for and what is it?

For gas appliances installations using the two-permanent-openings methods for outdoor combustion air, one opening commencing within ___ inches of the top and one commencing within ___ inches of the bottom of the enclosure, shall be provided.

(Answer for both blanks is the same)

Fel gas piping installed across roof surfaces shall be elevated not less than (a)   inches above the roof.

Where gas piping is located within a framing member and is less than ___ inches from the framing member face to which wall, ceiling or floor membranes will be attached, the piping shall be protected by shield plates.

What is the thinnest steal material that can be used to cover the area of concealed gas piping?