A.O. Smith BTH 120 - 250 Installation &  Operation Instruction
A.O. Smith BTH 120 - 250 Installation &  Operation Instruction

A.O. Smith BTH 120 - 250 Installation & Operation Instruction

Commercial gas water heater gas-fired power burner for domestic hot water
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PRINTED IN U.S.A. 2570 1199
Part No. 194119-000
Supersedes P/Ns. 192968-000/193329-000/193311-000
1

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Summary of Contents for A.O. Smith BTH 120 - 250

  • Page 1 PRINTED IN U.S.A. 2570 1199 Part No. 194119-000 Supersedes P/Ns. 192968-000/193329-000/193311-000...
  • Page 2 ROUGH-IN -DIMENSIONS CYCLONE XHE BTH 120 - 250 TEMPERATURE RISE - DEGREES °F - GALLONS PER HOUR Recovery capacities are based on heater performance at 94% thermal efficiency.
  • Page 10 FIGURE 11 VERTICAL VENT TERMINAL INSTALLATION IMPORTANT WHEN TERMINATING THROUGH A ROOF, THE FOLLOWING SPECIFICATIONS PERTAINING TO TERMINAL LOCATION MUST BE FOLLOWED. 1. Proper support must be provided for all pipe protruding through the roof. 2. The vertical roof terminations should be sealed with a plumbing roof boot or equivalent flashing.
  • Page 11 Table 2. VENT LENGTH TABLE...
  • Page 18 the exact sequence of operation and all other details on the specific heater being used.
  • Page 20 TABLE 4 GAS SUPPLY SPECIFICATIONS...
  • Page 23 ONE TEMPERATURE - ONE HEATER HORIZONTAL STORAGE TANK FORCED CIRCULATION WITH OR WITHOUT BUILDING RECIRCULATION PIPE TO OPEN DRAIN INSTALL IN ACCORDANCE WITH LOCAL CODES PIPE TO OPEN DRAIN INSTALL IN ACCORDANCE WITH LOCAL CODES...

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