A.O. Smith Water Heater Manuals
Whether you lost your original A.O. Smith water heater manual or the previous homeowners did not leave it behind, below you’ll find links to download user manuals in pdf format for the most popular A.O. Smith residential water heaters.
Use the search box below to quickly find your model number. You can either left-click on the link to open the manual in a new tab or right-click and save a copy directly on your computer. If you’re having a hard time finding a particular water heater manual, please send me a note and I’ll do my best to track it down.
See Also:
- Determine how old your A.O. Smith water heater is
- Bradford White water heater manuals
- Rheem water heater manuals
Download AO Smith Water Heater Manuals
| Type | Family | Model | Download |
|---|---|---|---|
| Gas | Conservationist | XGV-40, XGV-50 | Link |
| Gas | High Efficiency Series 100 | GCF-40, GCF-50, GCFL-40 | Link |
| Gas | Effex High Efficiency Gas | GAHH-40, GAHH-50 | Link |
| Gas | ProMax | FCG-100 | Link |
| Gas | ProMax Power Direct-Vent | GPDL-40, GPDT-50, GPDX-50L, GPDX-75L | Link |
| Gas | ProMax Direct-Vent | GDV-40, GDV-50, GDVT-50, GDV-75 | Link |
| Gas | ProMax Ultra-Low Nox Direct Vent | GDNL-40L, GDNT-50 | Link |
| Gas | ProMax Ultra-Low NOx Power Vent | GPNH-40, GPNH-50 | Link |
| Gas | ProMax Ultra-Low NOx High Recovery | GCBN 75 | Link |
| Gas | ProMax Ultra-Low NOx High Recovery | GCN 100 | Link |
| Gas | ProMax Power Vent | GPVL-40, GPVT-40, GPVL-50, GPVT-50, GPVX-50, GPVX-75 | Link |
| Gas | ProMax Ultra Low NOx NAECA III | GUC-30, GUC-40, GUR-40, GUC-50, GUR-50, GURT-50L, GURL-40 | Link |
| Gas | ProMax Atmospheric Vent NAECA III | GCB-30, GCR-30, GCRH-40, GCB-40, GCR-50, GCG-50, GCRT-50, GCRX-50, GCBL-30, GCRL-40, GCRL-50 | Link |
| Gas | Tankless Ultra Low-NOx | 240H, 340H, 540H | Link |
| Gas | Tankless Indoor/Outdoor | 110, 310, 510 | Link |
| Gas | Tankless Indoor/Outdoor | 520 | Link |
| Gas | Tankless Indoor/Outdoor | 710 | Link |
| Gas | Tankless Indoor/Outdoor | 910 | Link |
| Gas | Vertex | GPHE 50 | Link |
| Gas | Vertex 100 | GDHE-50, GDHE-75 | Link |
| Gas | General Residential | GCVL-30, GVRL-40, GCVX-50, GCV-65, GVR-40, GCNH-30, GCHV-40 | Link |
| Hybrid | Voltex Hybrid Electric Heat Pump | PHPT-60, PHPT-80 | Link |
| Hybrid | Voltex Hybrid Electric Heat Pump | FHPT-50, FHPT-66, FHPT-80 | Link |
| Hybrid | Voltex Hybrid Electric Heat Pump | HPTU-50, HPTU-66, HPTU-80 | Link |
| Electric | Conservationist | PXNT-40, PXNT-50, PXNT-55, PXNS-40, PXNS-50 | Link |
| Electric | ProMax High Efficiency | ECRT-40, ECRT-52, ECRT-66, ECRT-80, ECRS-50 | Link |
| Electric | ProMax | ENT-30, ENT-40, ENTB-50, ENT-50, ENT-55, ENSB-30, ENS-30, ENS-40, ENS-50, ENLB-30, ENL-30, ENLB-40, ENL-40 | Link |
| Electric | ProMax Specialty Electric | ESTT-30, ESTT-40 | Link |
| Electric | ProMax Specialty Electric | EJC-6, EJC-10, EJCS-20, EJCT-20, EJC-30, EJCN-40 | Link |
| Electric | ProMax Specialty Electric | EJC2 | Link |
| Solar | Solar Booster Tanks | SUN 80, SUN 120 | Link |
AO Smith Water Heater Parts Manuals
| Parts Manual | Download |
|---|---|
| 110 (indoor/outdoor series) | Link |
| 310 (indoor/outdoor series) | Link |
| 320 (indoor/outdoor series) | Link |
| 510 (indoor/outdoor series) | Link |
| 520 (indoor/outdoor series) | Link |
| 705 (indoor 100 series) | Link |
| 705 (indoor 200 series) | Link |
| 705 (outdoor 100 series) | Link |
| 705 (outdoor 200 series) | Link |
| 710 (indoor/outdoor series) | Link |
| 910 (indoor/outdoor series) | Link |
| 305, 505 (indoor 100 series) | Link |
| 305, 505 (indoor 200 series) | Link |
| 305, 505 (outdoor 100 series) | Link |
| 305, 505 (outdoor 200 series) | Link |
| ACVT 50 (100 series) | Link |
| BL 100 (104 series) | Link |
| BPD 75 (200201 series) | Link |
| BT 80, 100 (300, 301 series) | Link |
| BTC 120 - 500 (930, 931 series) | Link |
| BTC 120 - 500A (960, 961 series) | Link |
| BTC 120 - 500A (962, 963, 964, 965, 966, 967 series) | Link |
| BTC 120 500 (920, 921 series) | Link |
| BTC 120, 154, 179, 240, 305, 365 (880 - 883 series) | Link |
| BTC 251 (930 series) | Link |
| BTF 75 (100, 101 series) | Link |
| BTF 75 (110, 111 series) | Link |
| BTF 75 (270 series) | Link |
| BTF 80 (200, 201 series) | Link |
| BTH 120, 150, 199, 250 (100, 101 series) | Link |
| BTH 120, 150, 199, 250 (200, 201 series) | Link |
| BTH 120, 150, 199, 250 (966, 967, 970, 971, 973 series) | Link |
| BTH 120, 150, 199, 250 (970, 973 series) | Link |
| BTH 150, 199 (960 series) | Link |
| BTH 250 (962 series) | Link |
| BTH 300, 400, 500 (200, 201 series) | Link |
| BTH 300A (100, 101 series) | Link |
| BTH 300A (104 series) | Link |
| BTH 300A (970, 971, 976/977 series) | Link |
| BTH 300A (974, 975 series) | Link |
| BTH 400A (100, 101 series) | Link |
| BTH 400A (104 series) | Link |
| BTH 400A (970 series) | Link |
| BTH 400A (974, 975 series) | Link |
| BTH 500A (100, 101 series) | Link |
| BTH 500A (101, 104 series) | Link |
| BTI 100 (104 - 105 series) | Link |
| BTI 120 - 400/A (100, 101 series) | Link |
| BTI 80 (104 - 110 series) | Link |
| BTL 120 - 400 (200 series) | Link |
| BTN 120 - 400/A (100 series) | Link |
| BTN 120 - 400/A (104 series) | Link |
| BTN 120 - 400/A (108 series) | Link |
| BTP 125-140 - 125-720 | Link |
| BTP 139, 199, 270, 370 (104, 105 series) | Link |
| BTP 139, 199, 270, 370 (880, 881 series) | Link |
| BTP 150-140 - 150-720 | Link |
| BTP 200-300 - 200-1500 | Link |
| BTP 300-300 - 300-1500 | Link |
| BTP 400-600 - 500-2500 | Link |
| BTP 540A - 700A (920 series) | Link |
| BTP 540A - 740A (104 series) | Link |
| BTP 600-700 - 600-2500 | Link |
| BTP(V) 540a - 740A (104 series) | Link |
| BTR 151 - 201/A | Link |
| BTR(C) 120 - 500A (104, 105, 106, 107 series) | Link |
| BTR(C) 500/A (120, 121 series) | Link |
| BTV 100 (104, 105 series) | Link |
| BTV 100 (110, 111 series) | Link |
| BTV 100 (Canada Only) (110, 111 series) | Link |
| BTX 100 (100/101, 124/125, 130/131 series) | Link |
| BTX 80 (100 series) | Link |
| BTXL 100 (130/131 series) | Link |
| CGX 75 (270 series) | Link |
| COBT 150-140 - 150-720 | Link |
| COBT 200-300 - 200-1500 | Link |
| COBT 300-300 - 300-1500 | Link |
| COBT 400-600 - 500-2500 | Link |
| COBT 600-700 - 600-2500 | Link |
| COF 150-140 - 150-720 | Link |
| COF 199, 245, 315, 385, 455, 700 (930, 931 series) | Link |
| COF 199, 245, 315, 385, 455, 700 (940, 941 series) | Link |
| COF 200-300 - 200-1500 | Link |
| COF 300-300 - 300-1500 | Link |
| COF 315A, 385A, 455A, 700A (930, 931 series) | Link |
| COF 315A, 385A, 455A, 700A (940, 941 series) | Link |
| COF 400-600 - 500-2500 | Link |
| COF 600-700 - 600-2500 | Link |
| CTG 40, 50 (246 series) | Link |
| DB 1480 - 1810 (110 - 118 series) | Link |
| DB 720 - 1350 (120 - 128 series) | Link |
| DB 720 - 1810 (110 - 118 series) | Link |
| DB 720 - 1810 | Link |
| DEL 30, 40 (104 series) | Link |
| DEL 30, 40, 50 (110 series) | Link |
| DEL 50 (102 series) | Link |
| DEL 6, 10, 15, 20 (102 series) | Link |
| DEL 6, 10, 15, 20 (104 series) | Link |
| DEN 30, 40, 52, 66, 80, 120 (110 series) | Link |
| DME 150 - 1000 | Link |
| DRE 52, 80, 120 (100-102 series) | Link |
| DRE 52, 80, 120 (914, 916 series) | Link |
| DRE 52, 80, 120 (920 series) | Link |
| DSE (5 - 120 Series 100/102 series) | Link |
| DSE (5 - 120 series) | Link |
| DVE 52, 80, 120 (100-102 series) | Link |
| DVE 52, 80, 120 (914, 916 series) | Link |
| DVE 52, 80, 120 (920 series) | Link |
| DW 1480 - 1810 (110 - 118 series) | Link |
| DW 720 - 1350 (120 - 128 series) | Link |
| DW 720 - 1810 (110 - 118 series) | Link |
| DW 720 - 1810 | Link |
| ECJ 40 | Link |
| ECL 30, 40, 50 | Link |
| ECLN 40 | Link |
| ECRS 50 | Link |
| ECRT 40, 52, 66, 80 | Link |
| ECS 30, 40, 50 | Link |
| ECT 30, 40, 52, 55, 66, 80, 120 | Link |
| EES 30, 40, 52, 66, 80, 120 (913, 915, 917, 920, 930 series) | Link |
| EJC 6, 10 | Link |
| EJCS 20 | Link |
| EJCT 20 | Link |
| ELJC 6 - 50 (917 series) | Link |
| ELJC 6, 15, 20 | Link |
| ELSC 6, 10, 15, 20 | Link |
| ESTT 30, 40 (917, 918 series) | Link |
| ESTT 30, 40 | Link |
| FCG 30, 40, 50 (246, 247 series) | Link |
| FCG 30, 40, 50 (248, 248E, 249 series) | Link |
| FCG 75, 100 (242, 243 series) | Link |
| FCG 75, 100 (244, 244E, 245, 250, 250E, 251 series) | Link |
| FCG 75, 100 (270 series) | Link |
| FCGH 75, 100 (270 series) | Link |
| FCGL 30, 40 (246, 247 series) | Link |
| FCGL 30, 40 (248, 248E, 249 series) | Link |
| FCGT 40, 50 (246, 247 series) | Link |
| FCV 30, 40, 50 | Link |
| FCVH 30, 40 | Link |
| FCVL 30, 40, 50 | Link |
| FCVT 40, 50 | Link |
| FCVX 50 | Link |
| FDV 40, 50 (216, 217 series) | Link |
| FGR 30(T), 40(T), 50(T) (242(D), 243(D) series) | Link |
| FGR 30, 40, 50, 75, 100 (224, 225 series) | Link |
| FGR 30, 40, 50, 75, 100 (231, 232, 233, 236, 237 series) | Link |
| FGR 75, 100 (242, 243 series) | Link |
| FGR 75, 100 (244, 244E, 245, 250, 250E, 251 series) | Link |
| FGT 75, 100 (230, 231, 234 series) | Link |
| FPCR 40, 50 (260, 261, 260E series) | Link |
| FPCR 40, 50 (270, 271, 270E series) | Link |
| FPD 40(T), 50(T), 75 (T) (250E, 251 series) | Link |
| FPD 40, 50 (222, 223, 224, 225, 226, 227 series) | Link |
| FPD 40, 50 (228, 229 series) | Link |
| FPD 40, 50 (250, 251 series) | Link |
| FPD 40, 50 (270, 271 series) | Link |
| FPS 75 (230, 231, 232, 233, 234, 235 series) | Link |
| FPSE 40, 50 (222, 223 series) | Link |
| FPSE 40, 50 (226, 226E, 230, 230E series) | Link |
| FPSE 40, 50 (236, 237, 240, 241 series) | Link |
| FPSE 75 (230, 231, 232, 233, 234, 235 series) | Link |
| FPSE 75 (250, 251 series) | Link |
| FPSH 40, 50 (235, 235 series) | Link |
| FPSH 40, 50 (236, 237 series) | Link |
| FPSH 40, 50 (250, 251 series) | Link |
| FPSH 40, 50 (252, 253 series) | Link |
| FPSH 40, 50 (260, 261, 260E series) | Link |
| FPSH 40, 50 (270, 271, 270E series) | Link |
| FPSH 75 (260 - 263 series) | Link |
| FPST 50 (234, 235 series) | Link |
| FPST 50 (250, 251 series) | Link |
| FPST 50 (252, 253 series) | Link |
| FPST 50 (270, 271 series) | Link |
| FSG 30(T), 40(T), 50(T) (242(D), 243(D) series) | Link |
| FSG 30, 40, 40C, 50 (216, 217 series) | Link |
| FSG 30, 40, 50 (248, 249 series) | Link |
| FSG 30, 40, 50, 75, 100 (230, 231, 232, 233 series) | Link |
| FSG 75, 100 (242, 243 series) | Link |
| FSG 75, 100 (244, 244E, 245, 250, 250E, 251 series) | Link |
| FSGH 30(T), 40(T), 50(T) (242(D), 243(D) series) | Link |
| FSGH 30, 40, 50 (230, 231, 232, 233 series) | Link |
| FSGH 30, 40, 50 (240, 241 series) | Link |
| FSGH 30, 40, 50 (248, 249 series) | Link |
| FSGL 30(T), 40(T) (242(D), 243(D) series) | Link |
| FSGL 30, 40 (230, 231, 232, 233 series) | Link |
| FSGL 30, 40 (248, 249 series) | Link |
| FSGT 40, 50 (224, 225 series) | Link |
| FSGT 40, 50 (246, 247 series) | Link |
| FVG 30, 40, 50 | Link |
| FVGL 30, 40 | Link |
| FVR 30, 40, 50 | Link |
| GAHH-40, 50 | Link |
| GB 1000, 1300, 1500, 1850, 2100, 2500 (200 - 201 series) | Link |
| GB 1000, 1300, 1500, 1850, 2100, 2500 (300 - 305 series) | Link |
| GB 1000, 1300, 1500, 1850, 2100, 2500 (400 - 405 series) | Link |
| GB 1000, 1300, 1500, 1850, 2100, 2500 (500 series) | Link |
| GB 300, 400, 500, 650, 750 (300, 301, 302, 303 series) | Link |
| GB 300, 400, 500, 650, 750 (400, 401, 402, 403 series) | Link |
| GB/GW 200 - 750 (100, 101, 102, 103 series) | Link |
| GCNH 30, 40, 50 (100 series) | Link |
| GCV 30, 40, 50 | Link |
| GCV/XCV 40, 50 (200/201 series) | Link |
| GCV/XCV 65/65L (100/101 series) | Link |
| GCVH 30, 40 | Link |
| GCVH 40 Q&L | Link |
| GCVH 40L (200/201 series) | Link |
| GCVL 30, 40, 50 | Link |
| GCVL/XCVL 30, 40 (200/201 series) | Link |
| GCVT 40, 50 | Link |
| GDHE 50 (100, 101 series) | Link |
| GDHE 50 (120, 121 series) | Link |
| GDHE 50 (130/131 series) | Link |
| GDHE 75 (130/131 series) | Link |
| GDV 40, 50, 75 | Link |
| GDVH 40, 50, 75, 40Q, 50Q, 75Q, 40L, 50L, 75L | Link |
| GDVS 40, 50 | Link |
| GDVT 50 | Link |
| GHW 1000-2100 | Link |
| GNR 40, 50 (100 series) | Link |
| GPCR 40, 50 (100, 101 series) | Link |
| GPCR 40, 50 (102, 103 series) | Link |
| GPCR 40, 50 (200, 201 series) | Link |
| GPD 40, 50, 75 (100, 101 series) | Link |
| GPDH 40, 50 (100, 101 series) | Link |
| GPDT 50 (100, 101 series) | Link |
| GPDX 50 (100, 101 series) | Link |
| GPDX 75 (100, 101 series) | Link |
| GPHE 50 | Link |
| GPS 75 (200, 201 series) | Link |
| GPS 75L (200, 201 series) | Link |
| GPSH 40, 50 (100, 101 series) | Link |
| GPSH 40, 50 (102, 103 series) | Link |
| GPSH 40, 50 (200, 201 series) | Link |
| GPSX 50 (100, 101 series) | Link |
| GPSX 50, 50L, 50Q (200, 201 series) | Link |
| GPVH 40, 50 (100, 101 series) | Link |
| GPVR 40, 50 (100, 101 series) | Link |
| GPVT 40, 50 (100, 101 series) | Link |
| GPVT 40Q, 50Q, 40L, 50L (100, 101 series) | Link |
| GPVX 50, 50Q, 50L (100, 101 series) | Link |
| GVCA 30 (100, 101 series) | Link |
| GVCA 40 (100, 102, 103 series) | Link |
| GVG 40, 50 | Link |
| GVR 30, 40, 50 | Link |
| GVR/XVR 40, 50 (200/201 series) | Link |
| GVRL/XVRL 40 (200/201/202/203 series) | Link |
| GW 1000, 1300, 1500, 1850, 2100, 2500 (200 - 201 series) | Link |
| GW 1000, 1300, 1500, 1850, 2100, 2500 (300 - 305 series) | Link |
| GW 1000, 1300, 1500, 1850, 2100, 2500 (400 - 405 series) | Link |
| GW 1000, 1300, 1500, 1850, 2100, 2500 (500 series) | Link |
| GW 300, 400, 500, 650, 750 (300, 301, 302, 303 series) | Link |
| GW 300, 400, 500, 650, 750 (400, 401, 402, 403 series) | Link |
| GWH 400-750 | Link |
| HW 120M, 160M, 200M (890 - 943 series) | Link |
| HW 120M, 160M, 200M, 225M (102, 103 series) | Link |
| HW 120M, 160M, 200M, 225M (104, 105 series) | Link |
| HW 225M (890 - 942 series) | Link |
| HW 300 - 610 (104, 105, 106, 107 SMR CANADA Z-14 series) | Link |
| HW 300 - 670 (100, 101 series) | Link |
| HW 300 - 670 (932, 933 series) | Link |
| HW 300, 399, 420, 520, 670 (300, 301, 302, 303 series) | Link |
| HW 700 S,D, M - 2200 S, D, M (830 series) | Link |
| HW 80P - 225P (820, 821 SMR R-11 series) | Link |
| HW 80P - 225P (830 - 883 series) | Link |
| HW 80S - 225S (820, 821 SMR R-11 series) | Link |
| HW 80S - 225S (830 - 883 series) | Link |
| HWB 300 - 670 (100, 101 series) | Link |
| KEN 30, 40, 52, 66, 80 (911, 912 series) | Link |
| KGA 30, 40, 50 (900 - 913 series) | Link |
| KGL 30, 40 (900 - 913 series) | Link |
| LB 1000 (300, 301 series) | Link |
| LB 1000 (980, 981 series) | Link |
| LB 500, 750 (920, 951 series) | Link |
| LB 500, 750, 1000 (300, 301 series) | Link |
| LB 500, 750, 1000 (400, 401 series) | Link |
| LW 1000 (300, 301 series) | Link |
| LW 1000 (920, 951 series) | Link |
| LW 1000 (980, 981 series) | Link |
| LW 500, 750 (920, 951 series) | Link |
| LW 500, 750, 1000 (300, 301 series) | Link |
| LW 500, 750, 1000 (400, 401 series) | Link |
| NW 37 - 670 | Link |
| PCG 75, 100 (270 series) | Link |
| PCGH 75, 100 (270 series) | Link |
| PCGX 75 (270 series) | Link |
| PCL 30, 40, 50 | Link |
| PCRS 50 | Link |
| PCRT 40, 52, 66, 80 | Link |
| PCS 30, 40, 50 | Link |
| PCT 30, 40, 52, 55, 66, 80, 120 | Link |
| PCV 30, 40, 50 | Link |
| PCVH 30, 40 | Link |
| PCVL 30, 40, 50 | Link |
| PCVT 40, 50 | Link |
| PCVX 50 | Link |
| PEC 30, 40, 52, 66, 80, 120 (911, 912 series) | Link |
| PES 30, 40, 52, 66, 80, 120 (918 series) | Link |
| PEST 30, 40, 52, 66, 80, 120 (918 series) | Link |
| PGC 75, 100 (242, 243 series) | Link |
| PGC 75, 100 (244, 244E, 245, 250, 250E, 251 series) | Link |
| PGCG 40, 50 (222, 223, 224, 225, 226, 227 series) | Link |
| PGCG 40, 50 (242 - 246 series) | Link |
| PGCL 40 (232, 240, 242, 246, 248 series) | Link |
| PGCL 40 (248, 248E, 249 series) | Link |
| PGCT 40, 50 (246, 247 series) | Link |
| PGR 30, 40, 50 (249 - 248 series) | Link |
| PGSE 40, 50 (222, 223 series) | Link |
| PGV 40, 50 | Link |
| PGVL 40 | Link |
| PGX 30, 40, 40C, 50 (216, 217 series) | Link |
| PGX 30, 40, 50 (248, 248E, 249 series) | Link |
| PGXH 30, 40, 50 (240, 241 series) | Link |
| PGXH 30, 40, 50 (248, 248E, 249 series) | Link |
| PGXL 30, 40 (248, 248E, 249 series) | Link |
| PGXT 30, 40 (224, 225 series) | Link |
| PGXT 40, 50 (246, 247 series) | Link |
| PHPT-80 | Link |
| PLJF 6 - 50 (918 series) | Link |
| PSGX 75 (270 series) | Link |
| PVR 30, 40, 50 | Link |
| PXHS 40, 52 | Link |
| PXHT 40, 52, 66, 80 | Link |
| RTF 120 (104 series) | Link |
| SE 30, 40, 52, 66, 80 (911, 912 series) | Link |
| SG 30, 40, 50 (900 - 913 series) | Link |
| SGL 30, 40 (900 - 913 series) | Link |
| SGX 75 (270 series) | Link |
| SUNX-80, SUNX-120 | Link |
| TE 30, 40, 52, 66, 80, 120 (911, 912 series) | Link |
| VB/VF/VW 1500, 2000 (100, 101 series) | Link |
| VB/VF/VW 500, 750, 1000 (100, 101 series) | Link |
| VB/VW 500, 750, 1000 (200, 201 series) | Link |
| VWH 1500-2000 | Link |
| VWH 500-100 | Link |
| XCV 30, 40, 50 | Link |
| XCV 40, 50 (200/201 series) | Link |
| XCVH 30, 40 | Link |
| XCVH 40 Q&L | Link |
| XCVL 30, 40, 50 | Link |
| XCVL 40 (200/201 series) | Link |
| XCVT 40, 50 | Link |
| XDVS 40 | Link |
| XGV 40, 40Q, 40L, 50, 50Q, 50L (100, 101 series) | Link |
| XGV 40, 50, 40L, 50L (200/201 series) | Link |
| XGVL 40, 40Q, 40L (100, 101 series) | Link |
| XP/XW 1000 - 3400 (100, 101 series) | Link |
| XVR 30, 40, 50 | Link |
| XVR 40, 50 (200/201 series) | Link |
Am looking for manual for ELJF 50 918 , Appears to be 50 gallon energyefficient, low profile. Can you assist?