A.O. Smith BTH 120 - 250 warranty Manifold Kits

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MANIFOLD KITS

Precision cut type “L” all copper A.O. Smith manifold kits assure water flow balance of all units. Without this balance, the full water heating and storage potential of the system cannot be achieved. Plus, the units with the higher water flow may have a shortened life. Unions shown in piping diagrams are not included in the manifold kits.

Dimensions shown are for minimum space occupied by the water heaters assemblies.

Space for the venting system and unit servicing must be added.

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Contents
Place These Instructions Adjacent to Heater Notify Owner to Keep for Future ReferenceROUGH-IN -DIMENSIONS Cyclone XHE BTH 120 BTUTable of Contents ForewordWater Temperature Control FeaturesHigh Limit Switch E.C.O Installation Instructions Insulation BlanketsDishwashing Machine Requirement Circulating PumpClearances Hard WaterAIR Requirements Mechanical Exhausting of Room AIRPage Direct Venting Direct Vent Terminal InstallationPVC Elbow with Mesh Screen Installation Sequence Vent Pipe Manufacturers Installation InstructionsMasonry Side Walls Wooden Side WallsVertical Vent Terminal Installation Installation of Vent SystemBlower Prover Switch Controls and SwitchesVent Pipe Preparation GAS Piping System Connections Closed System Water Line Connections Heater WiringBSR Board BTH 250 only Figure Self Diagnostic Controller OperationSequence of Operation GAS Valve LED FlashingError Codes Fault ConditionsDisplay Flashes 05 when button is pressed Operating Instructions Prior to Start UP Adjustment ProcedureRequired Ability Initial START-UP For Your Safety Read Before Operating Maintenance General InformationAnode Inspection and Replacement FlushingDraining Sediment RemovalDrain Valve and Access Panels Vent SystemInstallation Diagrams Install in Accordance with Local Codes Page Page Page Manifold Kits Checklist and Service Information TROUBLE-SHOOTINGReplacement Parts Motor will not RUNMotor RUNS, Burner Lights Momentarily Then Locks OUT Noisy Burner OperationService and Repair Expenses Claim ProcedureTank ALL Other PartsSmith Water Products CO., INC