Wiring Diagrams
For your convenience, our wiring diagrams can be found right here!Many of our current wiring sheets are available online for you to download to your computer or to print.
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Commercial Wiring Diagrams
| Description | Series | Wiring Diagram |
| One Heater/Boiler, One Pump, Cert-Temp 80 with or w/o IID System | HW-120M - HW-670 | A055.0 |
| One Heater/Boiler, One Pump, Cert-Temp 80 with or w/o IID System | HW-200M - HW-670 | A057.0 |
| Two Heaters/Boilers, Two Pumps, Cer-Temp | HW-300 - HW-670 | A059.0 |
| Wiring Diagram | LB/LW-500-1000 | A063.0 |
| Dura-Max Wiring Diagram | DW-720 - DW-1810 | WD001-0405N |
| Legend Wiring Diagram Low Water Cutoff & Alarm | LB/LW 500-1000 | A064.1 |
| Two - with or without Mixing Valve/Two Pre-Heaters w/Boosters | COF | A309.0 |
| Conventional System Piping | HW-300 - HW-670 | E107.0 |
| 1 & 2 Boiler, Reverse Return | DB-720 - 1810 | E109.0 |
| Three Boilers Reverse Return | DB-720 - DB-1810 | E109.2 |
| 1 & 2 Boiler, Reverse Return | LB-500, 750 & 1000 | E110.0 |
| Three Boilers Reverse Return | LB-500, LB-750, LB-1000 | E110.2 |
| Piping Method for Low Temperature Heating Systems | LB 500, 750, 1000 | E112.0 |
| Low Temperature System | DB-710 - 1810 | E112.2 |
| Low Temperature System | LB-500, 750, 1000 | E112.3 |
| Genesis Primary, Secondary Piping | GB-200-750 | E112.4 |
| Linear-Temp™ System | DB-720 - DB-1810 | E115.0 |
| Linear Temp™ Primary, Secondary Piping | GB-200-750 | E115.5 |
| Linear-Temp™ System | LB-500, LB-750, LB-1000 | E116.0 |
| Linear-Temp | HW 300 - 670 | E117.0 |
| One Heater with or without IID System | HW-300 - HW-670 | E121.0 |
| Four Heaters with or without IID System | HW-300 - HW-670 | E124.1 |
| Typical Wiring - Multiple Thermal Balancer Pump Delay Switches | E125.0 | |
| TJERNLUNCH Draft Inducers | D003.0 |
Residential Wiring Diagrams
| Description | Series | Wiring Diagram |
| Wiring & Plumbing Diagrams for Residential Water Heaters | A707.0 |