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Building Design and Construction Handbook - Merritt - Ventech!

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13.58 SECTION THIRTEEN<br />

FIGURE 13.21 Pipe coil attached to joists or<br />

studs <strong>and</strong> embedded in plaster for radiant heating.<br />

FIGURE 13.22 Pipe coil embedded above<br />

lath <strong>and</strong> plaster ceiling for radiant heating.<br />

FIGURE 13.23 Pipe coil for radiant heating embedded in a floor slab on<br />

grade.<br />

FIGURE 13.24 Continuous pipe coil for radiant<br />

heating.<br />

FIGURE 13.26 Combination of grid arrangement<br />

<strong>and</strong> continuous pipe coil.<br />

FIGURE 13.25 Piping arranged in a grid for<br />

radiant heating.<br />

the radiant coils replace radiators. Balancing<br />

valves should be installed in<br />

each coil, as in radiators. One wise precaution<br />

is to arrange coils in large <strong>and</strong><br />

extensive areas so as not to have too<br />

much resistance in certain circuits. This<br />

can be done by using high-resistance<br />

continuous coils (Fig. 13.24) or lowresistance<br />

grid (Fig. 13.25) or a combination<br />

of both (Fig. 13.26).<br />

One of the advantages of this system<br />

is its flexibility; coils can be concen-

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