Lochinvar Commercial Water Heater Manuals
Select your Lochinvar model number below for installation steps, settings, maintenance schedules, troubleshooting and the full specification sheet. Your model number is printed on the rating plate.
Lochinvar commercial water heaters by model number
| Model | Description | Certified |
|---|---|---|
| AHP060Veritus | commercial heat pump water heater | September 2024 |
| AHP060-208Veritus | commercial heat pump water heater | December 2025 |
| AHP060-480Veritus | commercial heat pump water heater | December 2025 |
| AHP140Veritus | commercial heat pump water heater | September 2024 |
| AHP140-208Veritus | commercial heat pump water heater | December 2025 |
| AHP140-480Veritus | commercial heat pump water heater | December 2025 |
| AHP200Veritus | commercial heat pump water heater | September 2024 |
| AHP200-208Veritus | commercial heat pump water heater | December 2025 |
| AHP200-480Veritus | commercial heat pump water heater | December 2025 |
| AHP280Veritus | commercial heat pump water heater | September 2024 |
| AHP280-208Veritus | commercial heat pump water heater | December 2025 |
| AHP280-480Veritus | commercial heat pump water heater | December 2025 |
| AHP350Veritus | commercial heat pump water heater | September 2024 |
| AHP350-208Veritus | commercial heat pump water heater | December 2025 |
| AHP350-480Veritus | commercial heat pump water heater | December 2025 |
| AWH0400L SERIES 1ARMOR | 399,000 Btu/h commercial gas tankless water heater | September 2024 |
| AWH0400N SERIES 1ARMOR | 399,000 Btu/h commercial gas tankless water heater | September 2024 |
| AWH0500L SERIES 1ARMOR | 500,000 Btu/h commercial gas tankless water heater | September 2024 |
| AWH0500N SERIES 1ARMOR | 500,000 Btu/h commercial gas tankless water heater | September 2024 |
| AWH0650L SERIES 1ARMOR | 650,000 Btu/h commercial gas tankless water heater | September 2024 |
| AWH0650N SERIES 1ARMOR | 650,000 Btu/h commercial gas tankless water heater | September 2024 |
| AWH0800L SERIES 1ARMOR | 800,000 Btu/h commercial gas tankless water heater | September 2024 |
| AWH0800N SERIES 1ARMOR | 800,000 Btu/h commercial gas tankless water heater | September 2024 |
| AWH1000L SERIES 1ARMOR | 999,000 Btu/h commercial gas tankless water heater | September 2024 |
| AWH1000N SERIES 1ARMOR | 999,000 Btu/h commercial gas tankless water heater | September 2024 |
| AWH1250(N,L)ARMOR CONDENSING | 1,250,000 Btu/h commercial gas tankless water heater | August 2025 |
| AWH1500(N,L)ARMOR CONDENSING | 1,500,000 Btu/h commercial gas tankless water heater | September 2024 |
| AWH2000(N,L)ARMOR CONDENSING | 1,999,000 Btu/h commercial gas tankless water heater | September 2024 |
| AWH3000(N,L)ARMOR CONDENSING | 3,000,000 Btu/h commercial gas tankless water heater | September 2024 |
| AWH4000(N,L)ARMOR CONDENSING | 4,000,000 Btu/h commercial gas tankless water heater | September 2024 |
| AWL201ARMOR | 201,000 Btu/h commercial gas tankless water heater | August 2022 |
| AWN201ARMOR | 201,000 Btu/h commercial gas tankless water heater | August 2022 |
| AWN286ARMOR | 285,000 Btu/h commercial gas tankless water heater | August 2022 |
| CHPA120PD 100CHP Series | 119-gallon commercial heat pump water heater | February 2019 |
| CLHP2CO-6EMERGE-xc | commercial heat pump water heater | February 2026 |
| CLHP3CO-6EMERGE-xc | commercial heat pump water heater | February 2026 |
| IWH0500LREGENT | 500,000 Btu/h commercial gas tankless water heater | June 2026 |
| IWH0500NREGENT | 500,000 Btu/h commercial gas tankless water heater | May 2026 |
| IWH0750LREGENT | 750,000 Btu/h commercial gas tankless water heater | May 2026 |
| IWH0750NREGENT | 750,000 Btu/h commercial gas tankless water heater | May 2026 |
| IWH1000LREGENT | 1,000,000 Btu/h commercial gas tankless water heater | June 2026 |
| IWH1000NREGENT | 1,000,000 Btu/h commercial gas tankless water heater | June 2026 |
| OAL201Outdoor Armor | 201,000 Btu/h commercial gas tankless water heater | August 2022 |
| OAL286Outdoor Armor | 285,000 Btu/h commercial gas tankless water heater | August 2022 |
| OAN201Outdoor Armor | 201,000 Btu/h commercial gas tankless water heater | August 2022 |
| OAN286Outdoor Armor | 285,000 Btu/h commercial gas tankless water heater | August 2022 |
| SCL130-035 2Polaris | 34-gallon commercial gas storage water heater | November 2021 |
| SCL130-050 2Polaris | 50-gallon commercial gas storage water heater | November 2021 |