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COMMERCIAL GAS REPLACEMENT PARTS LISTUltra High Efficiency (eF) Series60 and 100 Gallon ModelsIncludes Hydrojet TotalPerformance SystemIncluding:100 Gallon Top Water Connections100 Gallon Side Water Connections (-2 series)60 Gallon Side Water Connections (-2 series)Effective: December, 2006ECO 7157-1NOTE: BOTH MODEL AND SERIALNUMBERS ARE REQUIRED FORORDERING REPLACEMENTPARTSDimensions and specification subject tochange without notice.Parts Book #44485D

13537383427369868A5 3110321212A1113143015291626A25A27A26252718282118A4 3318B34203322232423EXHAUST SERVICE AREAMODELS AFTER SERIAL ZM21721EXHAUST SERVICE AREAMODELS PRIOR TO SERIAL AA

Parts Common To EF60T(125,150,199)(E)*(N,X)(A)2 ModelsReference Number and Description1Combustion Surround Assembly2Combustion System Assembly3Collector Cover Second Pass4Screw-Second Pass Collector Cover5Elbow-Vent Terminal (2 Req'd)6Temperature sensor7Baffle 4" Flue (2 Req'd)8Anode Rod (magnesium) (4 Req'd)9Baffle 2" Flue (8 Req'd)10 Wire Harness-Service Panel11 Nipple Hot Water Outlet Plastisert (front connect)12 Pipe Plug 1" NPT12A Hole Closure13 Nipple Plastisert 3/4" NPT x 2"14 T&P Relief Valve15 Exhaust Pipe (PVC) with Hose Barb16 Condensate Elbow17 Screw Service Panel (serial prior to AA)18 Outer Door Service Panel (serial prior to AA)18A Outer Door EF series (serial after ZM)20 Service Panel Bracket (serial prior to AA)22 Keps Nut23 Resettable Limit Switch24 Screw 6-32 x 3/825 Cleanout Cover26 Cleanout Gasket27 Screw 5/16 - 18 x 1/225A Cleanout Cover (ASME)26A Cleanout Gasket (ASME)27A Screw 5/16 - 18 x 1/2 (ASME)28 Clean Out Access Cover29 Inlet tube Hydrojet (front connect)30 Drain Valve Brass (no handle)33 Silicone Tubing 3/16" I.D.34 Exhaust EscutcheonPart NumberSee Page 8See Page 78-00243-44668-00See 9-41718-00239-43997-00Optional Parts Reference Number and DescriptionPart Number8Anode Rod (Aluminium) (4 Req'd)224-38508-0631 Coaxial Vent Terminal Horz./Vert. 3"239-44069-0132 ASSE Approved Mixing Valve239-43740-02* Applies to all warrantiesNote: Service panel bracket no longer available. Replace with external pressure switch kit for serials prior to AA (Item 21).3

Parts Unique To EF60T125(E)*(N,X)(A)2 ModelsReference Number and Description21 Exhaust Pressure Switch:Serial prior to AA (external pressure switch kit)Serial AA thru CE7818522Serial CE7818523 & afterPart Number265-45222-04239-44723-04239-46037-01Parts Unique To EF60T150(E)*(N,X)(A)2Reference Number and Description21 Exhaust Pressure Switch:Serial prior to AA (external pressure switch kit)Serial AA thru CE7818522Serial CE7818523 & afterPart Number265-45222-03239-44723-03239-46037-01Parts Unique To EF60T199(E)*(N,X)(A)2 ModelsReference Number and Description21 Exhaust Pressure Switch:Serial prior to AA (external pressure switch kit)Serial AA thru CE7818522Serial CE7818523 & after* Applies to all warrantiesPart Number265-45222-01239-44723-01239-46037-014

Parts Common To EF100T(150,199,250,300)(E)*(N,X)(A)(2) ModelsReference Number and Description1Combustion Surround Assembly2Combustion System Assembly3Collector Cover Second Pass4Screw-Second Pass Collector Cover5Elbow-Vent Terminal (2 Req'd)6Temperature sensor8Anode Rod (magnesium) (4 Req'd) 29Baffle 2" Flue (8 Req'd)10 Wire Harness-Service Panel11 Nipple Hot Water Outlet12 Pipe Plug 1" NPT12A Hole Closure15 Exhaust Outlet (PVC) with Hose Barb16 Condensate Trap Elbow17 Screw Service Panel (serial prior to AA)18 Outer Door Service Panel (serial prior to AA)18A Outer Door EF series (serial after ZM)20 Service Panel Bracket (serial prior to AA)22 Keps Nut23 Resettable Limit Switch24 Screw 6-32 x 3/825 Cleanout Cover26 Cleanout Gasket27 Screw 5/16 - 18 x 1/225A Cleanout Cover (ASME)26A Cleanout Gasket (ASME)27A Screw 5/16 - 18 x 1/2 (ASME)28 Clean Out Access Cover29 Inlet tube Hydrojet30 Drain Valve Brass (no handle)34 Exhaust Escutcheon35 Elbow 1-1/2 NPT Galvanized (serial prior to AB)36 Horizontal Inlet/Outlet Nipple (serial prior to AB)37 Vertical Outlet Nipple (serial prior to AB)38 Cold Water Inlet Dip Tube (serial prior to AB)Part NumberSee Page 8See Page 637-00243-43278-00243-44668-00See 43192-06Optional Parts Reference Number and DescriptionPart Number8Anode Rod (Aluminium) (4 Req'd)224-38508-0131 Coaxial Vent Terminal Horizontal/Vertical. 3"239-44069-013ASSE Approved Mixing Valve239-43740-02* Applies to all warrantiesNote: Service panel bracket no longer available. Replace with external pressure switch kit for serials prior to AA (Item 21).5

Parts Common To EF100T399(E)*(N,X)(A)(2) ModelsReference Number and Description1Combustion Surround Assembly2Combustion System Assembly3Collector Cover Second Pass4Screw-Second Pass Collector Cover5Elbow-Vent Terminal (2 Req'd)6Temperature sensor8Anode Rod (magnesium) (1 Req'd)8A Power Anode (2 Reqd)9Baffle 2" Flue (8 Req'd)10 Wire Harness-Service Panel11 Nipple Hot Water Outlet12 Pipe Plug 1" NPT12A Hole Closure16 Condensate Trap Elbow18B Outer Door22 Keps Nut23 Resettable Limit Switch24 Screw 6-32 x 3/825 Cleanout Cover26 Cleanout Gasket27 Screw 5/16 - 18 x 1/225A Cleanout Cover (ASME)26A Cleanout Gasket (ASME)27A Screw 5/16 - 18 x 1/2 (ASME)28 Clean Out Access Cover29 Inlet tube Hydrojet30 Drain Valve Brass (no handle)34 Exhaust EscutcheonPart NumberSee Page 8See Page 1239-43997-00Optional Parts Reference Number and Description8Anode Rod (Aluminium) (1 Req'd)31 Coaxial Vent Terminal Horizontal/Vertical. 3"32 ASSE Approved Mixing Valve* Applies to all warrantiesPart Number224-38508-01239-44069-01239-43740-026

Parts Unique To EF100T150(E)*(N,X)(A)(2) ModelsReference Number and Description13 Nipple Plastisert 3/4" NPT x 2"14 T&P Relief Valve21 Exhaust Pressure Switch:Serial Prior to AA (external pressure switch kit)Serial AA thru CE7818522Serial CE7818523 & afterPart 3-01239-46037-01Parts Unique To EF100T199(E)*(N,X)(A)(2) ModelsReference Number and Description7Baffle 4" Flue (2 Req'd)13 Nipple Plastisert 1" NPT x 2-1/2"14 T&P Relief Valve21 Exhaust Pressure Switch:Serial Prior to AA (external pressure switch kit)Serial AA thru CE7818522Serial CE7818523 & afterPart 2-03239-44723-03239-46037-01Parts Unique To EF100T250(E)*(N,X)(A)(2) ModelsReference Number and Description7Baffle 4" Flue (2 Req'd)13 Nipple Plastisert 1" NPT x 2-1/2"14 T&P Relief Valve21 Exhaust Pressure Switch:Serial Prior to CE7818522Serial CE7818523 & afterPart 3-05239-46037-01Parts Unique To EF100T300(E)*(N,X)(A)(2) ModelsReference Number and Description7Baffle 4" Flue (2 Req'd)13 Nipple Plastisert 1" NPT x 2-1/2"14 T&P Relief Valve21 Exhaust Pressure SwitchSerial Prior to CE7818522Serial CE7818523 & afterPart 3-05239-46037-01Parts Unique To EF100T399(E)*(N,X)(A)(2) ModelsReference Number and Description7Baffle 4" Flue (2 Req'd)13 Nipple Plastisert 1" NPT x 2-1/2"14 T&P Relief Valve21 Exhaust Pressure Switch* Applies to all warrantiesPart 7-017

COMBUSTION SURROUND ASSEMBLYBBDDAACCHHFFEEGGAABBJJParts Common To:EF60T(125, 150, 199)(E)*(N,X)(A)2 ModelsEF100T(150, 199, 250,300,399)(E)*(N,X)(A)(2) ModelsReference Number and DescriptionAA Keeper Latch & CatchBB Screw 8-32 x 1/2 RHCRCC Ignition Control assemblyDD Jacket HeadEE Main Power SwitchFF Temperature control potentiometerGG Knob-Temperature ControlHH Combustion Surround Front Connect (all 60 gal. Models, 100 gal models after serial AA)HH Combustion Surround Top Connect (100 gal. Models prior to serial AB)JJ Combustion Surround Base* Applies to all warranties8Part Number239-43239-00239-41715-00See Page 243-46148-00-01239-43261-00-01243-43710-00-01

COMBUSTION SYSTEM A21A22A20A18A13A14A3A29A23A24A25A28A26A30A27A931A

COMBUSTION SYSTEM ASSEMBLY (continued)Parts Common To:EF60T(125,150,199)(E)*(N,X)(A)2 ModelsEF100T(150,199,250,300)(E)*(N,X)(A)(2) ModelsReference Number and Description5A Hose Tubing 3/16" I.D.6A Tee Hose Connector7A Screw 10-32 x 3/4 SHCS8A Gasket Venturi to blower10A Nipple 1/2 NPT x 3"11A Reducer 3/4 x 1/2 NPT12A Nipple 3/4 NPT x 6"13A 2" x 3" Dia. Flex Reducer14A Inlet Tube (PVC)15A Gasket Blower Transition16A Screw 8-32 x 1/4 RHCR17A Gasket Flame Sensor18A Flame Sensor W/Gasket19A Weldment -Blower Transition20A Nut Hex Washer21A Hot Surface Igniter W/Gasket22A Gasket-Hot Surface Igniter23A Burner Mounting Gasket25A Burner Mounting Gasket26A Burner Mounting Insert27A Gasket-burner Mounting Insert30A Gas Regulator Kit (optional)Part 43197-00243-45517-01Parts Common To:EF100T399(E)*(N,X)(A)(2) ModelsReference Number and Description5A Hose Tubing 3/16" I.D.7A Screw 10-32 x 3/4 SHCS8A1 O-ring Venturi to Blower10A Nipple 3/4 NPT x 3"11A Reducer 1 X 3/4 NPT12A Nipple 1" NPT x 3 1/2"15A Gasket Blower Transition16A Screw 8-32 x 1/4 RHCR17A Gasket Flame Sensor18A Flame Sensor W/Gasket19A Weldment -Blower Transition20A Nut Hex Washer21A Hot Surface Igniter W/Gasket22A Gasket-Hot Surface Igniter23A Burner Mounting Gasket25A Burner Mounting Gasket26A Burner Mounting Insert27A Gasket-Burner Mounting Insert28A Assembly Air Inlet Piping29A Coupling-Flexible 2" x 2"30A Gas Regulator Kit (optional)* Applies to all warrantiesPart 45517-0210

COMBUSTION SYSTEM ASSEMBLY (continued)Parts Unique To EF60T(125,150)E*N(A)2 ModelReference Number and Description1ACombustion System Assembly Complete:125K Input, Serial CJ8233356 & after125K Input, Serial Prior to CJ8233356150K Input, Serial CJ8189467 & after150K Input, Serial Prior to CJ81894672ABlower/Gas valve Assembly:125K Input, Serial CJ8233356 & after125K Input, Serial Prior to CJ8233356150K Input, Serial CJ8189467 & after150K Input, Serial Prior to CJ81894673ABurner Assembly4ABlower-EBM (only)9AGas valve assembly:125K Input, Serial CJ8233356 & after125K Input, Serial Prior to CJ8233356150K Input, Serial CJ8189467 & after150K Input, Serial Prior to CJ818946724A Burner Tube31A LP to Natural Gas Conversion Kit (optional):125K Input, Serial CJ8233356 & after125K Input, Serial Prior to CJ8233356150K Input, Serial CJ8189467 & after150K Input, Serial Prior to CJ8189467Part 95-01Parts Unique To EF60T(125,150)*X(A)2 ModelReference Number and Description1ACombustion System Assembly Complete:125K Input, Serial CJ8233356 & after125K Input, Serial Prior to CJ8233356150K Input, Serial CJ8189467 & after150K Input, Serial Prior to CJ81894672ABlower/Gas valve Assembly:125K Input, Serial CJ8233356 & after125K Input, Serial Prior to CJ8233356150K Input, Serial CJ8189467 & after150K Input, Serial Prior to CJ81894673ABurner Assembly4ABlower-EBM (only)9AGas valve assembly:125K Input, Serial CJ8233356 & after125K Input, Serial Prior to CJ8233356150K Input, Serial CJ8189467 & after150K Input, Serial Prior to CJ818946724A Burner TubePart 5624-00Part ��—265-45624-00Parts Unique To EF60T199E*N(A)2 ModelReference Number and Description1ACombustion System Assembly Complete:Serial CH8167947 & afterSerial Prior to CH81679472ABlower/Gas valve Assembly:Serial CH8167947 & afterSerial Prior to CH81679473ABurner Assembly4ABlower-EBM (only)9AGas valve assembly:Serial CH8167947 & afterSerial Prior to CH816794724A Burner Tube31A LP to Natural Gas Conversion Kit (optional):Serial CH8167947 & afterSerial Prior to CH8167947265-46391-02265-45495-01Parts Unique To EF60T199*X(A)2 ModelReference Number and Description1ACombustion System Assembly Complete:Serial CJ8189592 & afterSerial Prior to CJ81895922ABlower/Gas valve Assembly:Serial CJ8189592 & afterSerial Prior to CJ81895923ABurner Assembly4ABlower-EBM (only)9AGas valve assembly:Serial CJ8189592 & afterSerial Prior to CJ818959224A Burner Tube* Applies to all warranties11Part ��—265-45624-00