If you know your usage temperature, incoming temperature, and flow rate, this handy sizing guide spreadsheet can help you find your power requirements and suggest a Laars Commercial Tankless Electric Water Heater model for you.
*For the kW, flow rates, and optional equipment available for each Laars Commercial Tankless Electric Water Heater model, refer to the submittal data sheets below.
These drawings show suggested piping configurations and other devices; check with local codes and ordinances for additional requirements.
Tankless Heating Systems |
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On-Demand Heater |
On-Demand Heater w/ Recirculation |
Parallel On-Demand Heaters * |
Pre/Post Heating R/O System |
* Parallel installation of heaters evenly distributes workload and wear. Installing multiple heaters in a series puts the majority of stress and workload on the first heater in a sequence.