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Burnham V7 SERIES User Manual

Page 17

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17

Lift "H"

(See Fig. 16)

Maximum Length of Tubing

"H" + "R" (See Figure 16)

3/8" OD

Tubing (3 GPH)

1/2" OD

Tubing (3 GPH)

0'

93'

100'

2'

85'

100'

4'

77'

100'

6'

69'

100'

8'

60'

100'

10'

52'

100'

12'

44'

100'

14'

36'

100'

16'

27'

100'

18'

---

76'

TABLE 5: TWO-STAGE UNITS (3450 RPM) -

TWO-PIPE SYSTEMS

Figure 15

TABLE 4: SINGLE-STAGE UNITS (3450 RPM) -

TWO-PIPE SYSTEMS

Lift "H"

(See Fig. 16)

Manimum Length of Tubing

"H" + "R" (See Figure 16)

3/8" OD

Tubing (3 GPH)

1/2" OD

Tubing (3 GPH)

0'

84'

100'

1'

78'

100'

2'

73'

100'

3'

68'

100'

4'

63'

100'

5'

57'

100'

6'

52'

100'

7'

47'

100'

8'

42'

100'

9'

36'

100'

10'

31'

100'

11'

26'

100'

12'

21'

83'

13'

---

62'

14'

---

41'

Figure 16

IMPORTANT

Single-pipe installations must be absolutely
airtight or leaks or loss of prime may result.
Bleed line and fuel unit completely.

See also other documents in the category Burnham Water boiler: