A.O. Smith BTH 120-250(A) warranty Must be Identical Heaters

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TWO TEMPERATURE - TWO HEATERS HIGH TEMPERATURE

WITH OR WITHOUT BUILDING RECIRCULATION

TWO TEMPERATURE - THREE HEATERS (TWO PRE-HEATERS/ONE BOOSTER HEATER)

WITH OR WITHOUT BUILDING RECIRCULATION

MUST BE IDENTICAL HEATERS

FOR MULTIPLE HEATER INSTALLATION SEE MANIFOLD KIT SPECIFICATIONS, PAGE 28.

CAUTION: IF BUILDING COLD WATER SUPPLY HAS A BACK-FLOW PREVENTER, CHECK VALVE OR WATER METER WITH CHECK VALVE PROVISIONS FOR THERMAL EXPANSION OF WATER IN THE HOT WATER SYSTEM MUST BE PROVIDED.

DANGER

TEMPERATURE SETTING SHOULD NOT EXCEED SAFE TEMPERATURE AT FIXTURES. SEE WATER TEMPERATURE CONTROLWARNING ON PAGE

4.IF HIGHER PREHEAT TEMPERATURES ARE NECESSARY TO OBTAIN ADEQUATE BOOSTER OUTPUT, ADD AN ANTI-SCALD VALVE FOR HOT WATER SUPPLIED TO FIXTURES.

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Contents What to do if YOU Smell GAS Cyclone XHE Model BTH 120-250AForeword Cyclone XHE BTH 120 250 ROUGH-IN-DIMENSIONSBTH-120 NPT BTH-150 199 InputFeatures Table of ContentsInstallation Instructions Clearances Locating the HeaterAIR Requirements Hard WaterChemical Vapor Corrosion Mechanical Exhausting of Room AIRHorizontal Vent Direct VentDirect Venting Direct Vent Terminal InstallationTransmitted Into the Living Spaces 6cm 45 PVC Elbow with Mesh ScreenVent terminals supplied with the heater must be used Installation SequenceInstallation of Vent System Vertical Vent Terminal InstallationBlower Prover Switch Controls and SwitchesVent Pipe Preparation GAS Piping System Connections Heater Wiring WHC1202 Integrated Water Heater Control Connection DiagramWater Line Connections Closed SystemOperation Self Diagnostic ControllerSequence of Operation Item DescriptionTemperature Probe Fault Figure Fault ConditionsGAS Valve LED Flashing No Incoming Line Voltage Line LED OffControl BAD Figure ECO Switch Open FigureCombustion AIR Blockage Figure Prior to Start UP Adjustment ProcedureOperating Instructions Initial START-UPFor Your Safety Read Before Operating General Information MaintenanceFlushing Anode Inspection and ReplacementDraining Sediment RemovalVent System Drain Valve and Access PanelsTo inspect or replace an anode Installation Diagrams Install in Accordance with Local Codes Must be Identical Heaters Pipe Relief Valve to Open Drain Page Manifold Kits TROUBLE-SHOOTING Checklist and Service InformationMotor will not RUN Replacement PartsMotor RUNS, Burner Lights Momentarily Then Locks OUT Noisy Burner OperationClaim Procedure Service and Repair ExpensesTank ALL Other PartsSmith Water Products Company

BTH 120-250(A) specifications

A.O. Smith BTH 120-250(A) is a cutting-edge water heater designed to meet the demands of residential and commercial settings. This high-efficiency unit is equipped with a range of features aimed at maximizing performance and minimizing energy consumption, making it a popular choice among homeowners and builders alike.

One of the standout features of the A.O. Smith BTH 120-250(A) is its energy efficiency. It operates with a thermal efficiency rating of up to 96%, which means that a significant portion of the fuel consumed is converted into usable hot water. This not only reduces energy bills but also lessens the environmental impact of water heating.

The unit employs advanced condensing technology, which captures and utilizes the heat from flue gases that would otherwise be lost in traditional units. This technology allows for lower exhaust temperatures and the potential for venting through PVC, significantly simplifying installation in various settings.

With a capacity range of 120 to 250 gallons, the BTH series is versatile enough to serve different needs. It is suitable for multiple applications, including large residential homes, commercial businesses, and industrial installations. The varying sizes ensure that it can deliver adequate hot water supply, even during peak demand periods.

In addition to its impressive capacity and efficiency, the A.O. Smith BTH 120-250(A) features a user-friendly digital control system. This allows users to easily set and monitor water temperatures, helping to prevent scalding and ensuring consistent comfort. The integrated diagnostics system alerts users to potential issues, facilitating proactive maintenance and reducing downtime.

Another appealing characteristic of this water heater is its durable construction. Built with high-quality materials, it is designed to withstand the rigors of frequent use while maintaining optimal performance over time. Furthermore, it comes equipped with an innovative flame rollback feature, enhancing safety by reducing the risk of flashback.

Overall, the A.O. Smith BTH 120-250(A) stands out in the competitive water heater market due to its exceptional efficiency, advanced technologies, and robust construction. Whether for residential or commercial use, this model provides reliable hot water supply while promoting energy savings and environmental sustainability. Its combination of performance and user-friendly features makes it a top choice for those seeking a reliable water heating solution.