A.O. Smith BTH 120-250(A) warranty Installation Diagrams

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INSTALLATION DIAGRAMS

ONE TEMPERATURE - ONE HEATER VERTICAL STORAGE TANK FORCED CIRCULATION

WITH OR WITHOUT BUILDING RECIRCULATION

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

NOTE: CONNECT RETURN

LINE FROM HOT WATER

CIRCULATING LOOP (IF USED)

TO COLD WATER INLET LINE.

* PIPE TO OPEN DRAIN

INSTALLINACCORDANCE WITH

LOCAL CODES

ONE TEMPERATURE - ONE HEATER HORIZONTAL STORAGE TANK

FORCED CIRCULATION WITH OR WITHOUT BUILDING RECIRCULATION

DANGER

TEMPERATURE SETTING SHOULD NOT EXCEED

SAFE TEMPERATURE AT FIXTURES. SEE WATER

TEMPERATURE CONTROL WARNING 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.

*PIPE TO OPEN DRAIN

INSTALL IN ACCORDANCE

WITH LOCAL CODES

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Contents What to do if YOU Smell GAS Cyclone XHE Model BTH 120-250AInput Cyclone XHE BTH 120 250 ROUGH-IN-DIMENSIONSForeword BTH-120 NPT BTH-150 199Features Table of ContentsInstallation Instructions Clearances Locating the HeaterMechanical Exhausting of Room AIR Hard WaterAIR Requirements Chemical Vapor CorrosionHorizontal Vent Direct Vent6cm 45 PVC Elbow with Mesh Screen Direct Vent Terminal InstallationDirect Venting Transmitted Into the Living SpacesVent terminals supplied with the heater must be used Installation SequenceInstallation of Vent System Vertical Vent Terminal InstallationVent Pipe Preparation Controls and SwitchesBlower Prover Switch GAS Piping System Connections Closed System WHC1202 Integrated Water Heater Control Connection DiagramHeater Wiring Water Line ConnectionsItem Description Self Diagnostic ControllerOperation Sequence of OperationNo Incoming Line Voltage Line LED Off Fault ConditionsTemperature Probe Fault Figure GAS Valve LED FlashingCombustion AIR Blockage Figure ECO Switch Open FigureControl BAD Figure Initial START-UP Adjustment ProcedurePrior to Start UP Operating InstructionsFor Your Safety Read Before Operating General Information MaintenanceSediment Removal Anode Inspection and ReplacementFlushing DrainingTo inspect or replace an anode Drain Valve and Access PanelsVent System 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 InformationNoisy Burner Operation Replacement PartsMotor will not RUN Motor RUNS, Burner Lights Momentarily Then Locks OUTALL Other Parts Service and Repair ExpensesClaim Procedure TankSmith 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.