| Brand | Bosch |
|---|---|
| Type | Condensing Tankless Water Heater |
| Power Source | Corded Electric |
| Heating System | Instantaneous (Tankless) |
| Voltage | 120 V |
| Mounting Location | Wall, Indoor |
Check the listing for details. Bosch Tankless Water Heater Circuit Board For Model ZBR 42-3A Pre-Owned. Condition: Used. Listed at 104.98 USD. The Bosch Tankless Water Heater Circuit Board is designed for use with the Model ZBR 42-3A condensing tankless water heater. This pre-owned circuit board is specifically for indoor wall mounting and operates on a corded electric power source with a voltage of 120V.