Related illustrations

0053

Roof valleys - open and closed

· p. 17

Two diagrams compare open and closed valleys at the intersection of sloping shingle roof planes. The upper diagram shows an open valley with exposed metal flashing between the shingle edges. Its annotation specifies that

0064

Fully woven closed valley

· p. 19

The illustration shows two shingled roof slopes meeting at a fully woven closed valley. Shingle courses from opposing slopes interlace across the valley, with shingles extending 12 inches past the centerline. Beneath the

1119

Low water cut-out for steam boiler

· p. 196

Two cross-sectional diagrams show a float-operated low water cut-out with an automatic water feed valve for a steam boiler. In the upper diagram, the normal water level supports the float, the switch mechanism is turned

1131

Low water cut-out for steam boiler

· p. 199

Two cross sections illustrate a float-operated low-water cut-out with an automatic water feed valve for a steam boiler. In the upper view, the normal water level holds the float up, the switch mechanism is turned on, and

1529

Bladder-type pressure tank

· p. 263

Four sequential diagrams show the operation of a bladder-type pressure tank connected to a well pump, pressure switch, and outlet faucet. Panel A shows the initial installation state with 30 PSI air pressure, the pump of