| Residential Condensing | Residential Non-Condensing | ||||||||||
| NRCR* | NRC* | EZ* | NRCP (2019)* | NR** | |||||||
| Domestic Hot Water | DWG | DWG | DWG | DWG | DWG | ||||||
| Recirc Pump Kit** | N/A | N/A | DWG | DWG | N/A | N/A | DWG | ||||
| Recirc Single Heater | – | DWG | DWG | DWG | DWG | ||||||
| Recirc Quick Connect** | DWG | DWG | DWG | DWG | DWG | ||||||
| Crossover Quick Connect | DWG | N/A | N/A | N/A | N/A | DWG | N/A | N/A | |||
| Crossover Single Heater | DWG | N/A | N/A | N/A | N/A | DWG | N/A | N/A | |||
| Solar Backup | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | |
| *Heater Model # Reference – Click here for more info | |||||||||||
| **Not all NRC, EZ, and NR model Heaters Apply. Click here for more info | |||||||||||
| Commercial Condensing | Commercial Non-Condensing | |||||||
| NCC* | NC* | |||||||
| Domestic Hot Water | DWG | DWG | ||||||
| Recirc single heater | DWG | DWG | ||||||
| Recirc Quick Connect | DWG | DWG | ||||||
| Recirc Multi-Heater | DWG | DWG | ||||||
| Recirc -Single Heater w/ Storage | DWG | DWG | ||||||
| Recirc- Multi Heater w/ storage | DWG | DWG | ||||||
| Multi Heater-Storage | DWG | N/A | N/A | |||||
| Multi-Heater-Solar Preheat | DWG | DWG | ||||||
| *Heater Model # Reference – Click here for more info | ||||||||
| Combination Boiler | ||||
| NRCB180 | NRCB199 | |||
| Domestic Hot Water | DWG | DWG | ||
| Air Handler (int pump) / DHW & Wiring Diagram | DWG | DWG | ||
| Air Handler (ext pump) / DHW & Wiring Diagram | DWG | DWG | ||
| Primary /Secondary / DHW | DWG | DWG | ||
| Primary/Secondary / DHW/ Recirc | DWG | DWG | ||
| Primary/Secondary/ DHW/ Quick Connect | DWG | DWG | ||