BLACKHEAT® INSTALLATION OPERATION AND SERVICE MANUAL
3.2 Clearance Data - Linear and Double Linear
NOTE: 1. All dimensions are from the surfaces of all tubes, couplings, tees, elbows and crosses.
2.Clearances B, C and D can be reduced by 50% after 7500 mm of tubing downstream from the burner.
3.All measurements are in millimeters.
FIGURE 3: LINEAR & DOUBLE LINEAR, HORIZONTAL MOUNTS
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| Model | BH15ST BH30DL | BH20ST BH40DL | BH25ST/EF BH50DL/EF | BH30ST/EF BH60DL/EF |
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| A | 150 | 150 | 150 | 150 |
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C |
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| B | 890 | 970 | 970 | 1020 | |
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| C | 1570 | 1650 | 1650 | 1780 |
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| D | 890 | 970 | 970 | 1020 |
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BH35ST/EF BH70DL/EF 150
1170
1930
1170
BH40ST/EF
150
1220
1970
1220
BH45ST/EF
200
1280
2010
1280
& BH50ST/EFBH55ST*
200
1330
2080
1330
FIGURE 4: LINEAR & DOUBLE LINEAR, ONE SIDE REFLECTOR
A
C
B
D
Model A B C D
BH15ST BH30DL 150 230
1580
1200
BH20ST BH40DL 150 230
1760
1380
BH25ST/EF BH50DL/EF 150 230
1760
1380
BH30ST/EF BH60DL/EF 150 230
1930
1500
BH35ST/EF BH70DL/EF 150 230
2090
1660
BH40ST/EF
150
230
2130
1710
BH45ST/EF
200
230
2160
1760
& BH50ST/EFBH55ST*
200
230
2240
1860
FIGURE 5: LINEAR & DOUBLE LINEAR, TWO SIDE REFLECTORS
A
C
B
D
Model A B C D
BH15ST BH30DL 150
590
1660
590
BH20ST BH40DL 150
640
1810
640
BH25ST/EF BH50DL/EF 150
640
1810
640
BH30ST/EF BH60DL/EF 150
690
1960
690
BH35ST/EF BH70DL/EF 150
820
2110
820
BH40ST/EF
150
860
2160
860
BH45ST/EF
200
890
2210
890
& BH50ST/EFBH55ST*
200
1020
2320
1020
FIGURE 6: LINEAR & DOUBLE LINEAR, 45° MOUNT
A
C
B
D
Model
A
B
C
D
BH15ST | BH30DL |
200
200
1500
1370
BH20ST | BH40DL |
200
200
1660
1520
BH25ST/EF BH50DL/EF 200 200
1660
1520
BH30ST/EF BH60DL/EF 250 200
1860
1630
BH35ST/EF BH70DL/EF 250 200
1960
1750
BH40ST/EF
275
200
2030
1820
BH45ST/EF
300
200
2110
1880
& BH50ST/EFBH55ST*
300
200
2160
2000
* BH55ST only available in multiburner.
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