October 2013
Intermediate to advanced
306 pages
12h 17m
English
Content preview from Estimating for Heating and Ventilating, 3rd Edition
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ESTIMATING LABOUR REQUIRED FOR ERECTION 141
Heater rating
Approx.
weight
Size of
connec-
tions
Hours, fitter and mate
Heater rating
Approx.
weight
Size of
connec-
tions
Size of mains, mm
kW Btujh
kg
mm 32 40 50 65 80 100
125
150
14-66
50000
39 25 80 90 100 10-5 110 11-5 12-5
130
23-45 80000 45 25
90 100 110
11-5
120
12-5 13-5
140
35-17
120000 57 25
100 110 120 12-5 130 13-5 14-5 150
49-83
170000
73
32 12-5 130 13-5 140
14-5 150
160
70-34 240000 86 32
13-5 140 14-5
150
15-5 160 16-5
87-93 300000
100
32
14-5
150
15-5
160
16 5
170 17-5
Section 17
HEATING AND HOT WATER SUPPLY BOILERS
A. Erect in ground
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.