5.0

Out of 1 Ratings

Owner's of the A.O. Smith Boiler VB/VW- 1000 gave it a score of 5.0 out of 5. Here's how the scores stacked up:
  • Reliability

    5.0 out of 5
  • Durability

    5.0 out of 5
  • Maintenance

    5.0 out of 5
  • Performance

    5.0 out of 5
  • Ease of Use

    5.0 out of 5
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SUGGESTED PIPE SIZING TABLES
TABLE 7. Suggested Pipe Size For Multiple Gas Appliances (Propane Gas).
Nominal MaximumCapacityofPipeinBTU/hrandkWforGasPressuresof14in.W.C.(0.5psi)orLessand
 IronPipe aPressureDropof0.5in.W.C.(basedon0.60SpecicGravityGasw/HeatingValueof1,000BTU’s/Ft3)
Size LengthofPipeinFeet(Meters)
(Inches) 10(3.05) 20(6.1) 30(9.14) 40(12.19) 50(15.24) 60(18.29)70(21.34) 80(24.38)90(27.43)100(30.48) 125(38.1) 150 175 200
1 BTU/hr 1,060,800 725,400 585,000 499,200 — — — — — — — — — —
kW 311 212 171 146 — — — — — — — — — —
1 1/4 BTU/hr 2,184,000 1,482,000 1,201,200 1,029,600 904,800 826,800 764,400 717,600 670,800 624,000 561,600 507,000 468,000
kW 640 434 352 302 265 242 224 210 196 183 164 148 137
1 1/2 BTU/hr 3,276,000 2,277,600 1,840,800 1,544,400 1,404,000 1,263,600 1,170,000 1,076,400 1,014,000 967,200 858,000 780,000 717,600 670,800
kW 959 667 539 452 411 370 343 315 297 283 251 228 210 196
2 BTU/hr 6,162,000 4,290,000 3,432,000 2,964,000 2,620,800 2,371,200 2,184,000 2,028,000 1,903,200 1,794,000 1,591,200 1,482,000 1,326,000 1,248,000
kW 1,805 1,256 1,005 868 768 694 640 594 557 525 466 434 388 366
2 1/2 BTU/hr 9,828,000 6,786,000 5,491,200 4,680,000 4,134,000 3,744,000 3,510,000 3,198,000 3,042,000 2,886,000 2,574,000 2,340,000 2,137,200 1,999,800
kW 2,878 1,987 1,608 1,371 1,211 1,097 1,028 937 891 845 754 685 626 585
3 BTU/hr 17,160,000 12,012,000 9,750,000 8,268,000 7,410,000 6,708,000 6,084,000 5,772,000 5,382,000 5,070,000 4,602,000 4,134,000 3,822,000 3,556,800
kW 5,026 3,518 2,856 2,421 2,170 1,965 1,782 1,690 1,576 1,485 1,348 1,211 1,119 1,042
4 BTU/hr 35,880,000 24,648,000 19,968,000 17,004,000 15,132,000 13,728,000 12,636,000 11,700,000 11,232,000 10,452,000 9,360,000 8,580,000 7,800,000 7,176,000
kW 10,508 7,219 5,848 4,980 4,432 4,021 3,701 3,427 3,290 3,061 2,741 2,513 2,284 2,102
TABLE 6. Suggested Pipe Size For Multiple Gas Appliances (Natural Gas).
Nominal MaximumCapacityofPipeinBTU/hrandkWforGasPressuresof14in.W.C.(0.5psi)orLessand
 IronPipe aPressureDropof0.5in.W.C.(basedon0.60SpecicGravityGasw/HeatingValueof1,000BTU’s/Ft3)
Size LengthofPipeinFeet(Meters)
(Inches) 10(3.05) 20(6.1) 30(9.14) 40(12.19) 50(15.24) 60(18.29)70(21.34) 80(24.38)90(27.43)100(30.48) 125(38.1) 150 175 200
1 BTU/hr 680,000 465,000 — — — — — — — — — — — —
kW 199 136 — — — — — — — — — — — —
1 1/4 BTU/hr 1,400,000 950,000 770,000 660,000 580,000 530,000 490,000 460,000 — — — — — —
kW 410 278 226 193 170 155 144 135 —
1 1/2 BTU/hr 2,100,000 1,460,000 1,180,000 990,000 900,000 810,000 750,000 690,000 650,000 620,000 550,000 500,000 460,000
kW 615 428 346 290 264 237 220 202 190 182 161 146 135
2 BTU/hr 3,950,000 2,750,000 2,200,000 1,900,000 1,680,000 1,520,000 1,400,000 1,300,000 1,220,000 1,150,000 1,020,000 950,000 850,000 800,000
kW 1,157 805 644 556 492 445 410 381 357 337 299 278 249 234
2 1/2 BTU/hr 6,300,000 4,350,000 3,520,000 3,000,000 2,650,000 2,400,000 2,250,000 2,050,000 1,950,000 1,850,000 1,650,000 1,500,000 1,370,000 1,280,000
kW 1,845 1,274 1,031 879 776 703 659 600 571 542 483 439 401 375
3 BTU/hr 11,000,000 7,700,000 6,250,000 5,300,000 4,750,000 4,300,000 3,900,000 3,700,000 3,450,000 3,250,000 2,950,000 2,650,000 2,450,000 2,280,000
kW 3,222 2,255 1,830 1,552 1,391 1,259 1,142 1,084 1,010 952 864 776 718 668
4 BTU/hr 23,000,000 15,800,000 12,800,000 10,900,000 9,700,000 8,800,000 8,100,000 7,500,000 7,200,000 6,700,000 6,000,000 5,500,000 5,000,000 4,600,000
kW 6,736 4,627 3,749 3,192 2,841 2,577 2,372 2,197 2,109 1,962 1,757 1,611 1,464 1,347