Ferguson JWSH100250, JWSH100150 warranty

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

WITH OR WITHOUT BUILDING RECIRCULATION

DANGER

TEMPERATURE SETTING SHOULD NOT EXCEED SAFE TEMPERATURE AT FIXTURES. SEE WATER TEMPERATURE CONTROL WARNING ON PAGE 3. IF HIGHER PREHEAT TEMPERATURES ARE NECESSARY TO OBTAIN ADEQUATE BOOSTER OUTPUT, ADD AN ANTI-SCALD VALVE FOR HOT WATER SUPPLIED TO FIXTURES.

*PIPE RELIEF VALVE TO OPEN DRAIN

**140°F (60°C) TO 150°F (66°C) SHOULD BE MAXIMUM WATER TEMPERATURE MAINTAINED IN THE PRE-HEATERS.

120°F (49°C) SHOULD BE THE MINIMUM TEMPERATURE OF WATER IN THE PRE- HEATERS.

CONNECT CIRCULATING LINE FROM FIXTURES, IF USED, TO COLD WATER SUPPLY LINE OF PRE-HEATER.

CONNECT CIRCULATINGLINEOF 180°F(82°C)OR BOOSTED WATER, IF USED, TO INLET WATER LINE TO BOOSTER.

INSTALL IN ACCORDANCE WITH LOCAL CODES.

CAUTION: If the plumbing requires the use of pipes with dissimilar material (for example, steel and copper), use dielectric unions to prevent an electro-galvanic action between the piping components with dissimilar materials.

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Contents Models AJWSH100150 Thru AJWSH100250 PrintedModels AJWSH100150 Thru AJWSH100250 ROUGH-IN-DIMENSIONS ForewordTable of Contents FeaturesInstallation Instructions Locating the Heater ClearancesHard Water AIR RequirementsMechanical Exhausting of Room AIR Unconfined SpaceCanadian Power Vent Canadian Direct Vent Direct Vent Terminal Installation Direct VentingMasonry Side Walls Wooden Side WallsVertical Vent Terminal Installation Installation SequenceInstallation of Vent System Vent Pipe PreparationInitial Preparation Selection of MaterialsControls and Switches GAS PipingConnection of GAS Pipe AJWSH100199 & AJWSH100250 Models OnlySystem Connections Heater Wiring Using the Electronic Controller OverviewOperating States Changing the Display Units Viewing the Fault History Prior to Start UPAdjustment Procedure Operating InstructionsMaintenance General InformationAJWSH100150 only AJWSH100199 & AJWSH100250 Models only Powered Anode System FlushingDraining Sediment RemovalDrain Valve and Access Panels Vent SystemInstallation Diagrams Page Must be Identical Heaters Page Page Manifold Kits Checklist and Service Information TROUBLE-SHOOTINGReplacement Parts Motor will not RUNMotor RUNS, Burner Lights Momentarily Then Locks OUT GAS Fails to Shut OFFModels AJWSH100150 thru AJWSH100250 Limited Warranty Page Page Hill Street West Fergus, on Canada N1M