A. O. Smith Commercial Water Heater Manuals — page 2
Select your A. O. Smith model number below for installation steps, settings, maintenance schedules, troubleshooting and the full specification sheet. Your model number is printed on the rating plate.
A. O. Smith commercial water heaters by model number
| Model | Description | Certified |
|---|---|---|
| GTP 130 2Polaris | 50-gallon commercial gas storage water heater | November 2021 |
| GTP 150 2Polaris | 50-gallon commercial gas storage water heater | November 2021 |
| GTP 175 2Polaris | 50-gallon commercial gas storage water heater | November 2021 |
| GTP 199 2Polaris | 50-gallon commercial gas storage water heater | November 2021 |
| PWH0400NPXP Plus | 399,000 Btu/h commercial gas tankless water heater | September 2024 |
| PWH0500NPXP Plus | 500,000 Btu/h commercial gas tankless water heater | September 2024 |
| PWH0650NPXP Plus | 650,000 Btu/h commercial gas tankless water heater | September 2024 |
| PWH0800NPXP Plus | 800,000 Btu/h commercial gas tankless water heater | September 2024 |
| PWH1000NPXP Plus | 999,000 Btu/h commercial gas tankless water heater | September 2024 |
| PWH1250(N,L)(P)(-CAN)XP Plus | 1,250,000 Btu/h commercial gas tankless water heater | February 2024 |
| PWH1500(N,L)(P)(-CAN)XP Plus | 1,500,000 Btu/h commercial gas tankless water heater | February 2024 |
| PWH2000(N,L)(P)(-CAN)XP Plus | 1,999,000 Btu/h commercial gas tankless water heater | February 2024 |
| PWH3000(N,L)(P)(-CAN)XP Plus | 3,000,000 Btu/h commercial gas tankless water heater | February 2024 |
| PWH4000(N,L)(P)(-CAN)XP Plus | 4,000,000 Btu/h commercial gas tankless water heater | February 2024 |
| XWH-201LXP | 201,000 Btu/h commercial gas tankless water heater | August 2022 |
| XWH-201NXP | 201,000 Btu/h commercial gas tankless water heater | August 2022 |
| XWH-285NXP | 285,000 Btu/h commercial gas tankless water heater | August 2022 |