Bosch C1210ES Applications Manual

Also see for 830ES: Technical service bulletin Technical service bulletin Technical service bulletin Installation manual Applications manual

Applications Manual THERM/GREENTHERM Tankless Water Heaters | 25Bosch Thermotechnology Corp. Data subject to change10.2 Parallel unit applicationsTwo Bosch water heaters plumbed in parallel will havedouble the ow rate. However, the activation rateincreases with each unit added in parallel.Example:1 unit - 0.5 GPM activation rate2 units - 1.0 GPM activation rate3 units - 1.5 GPM activation rateNOTICE:Use the Intelligent Cascading Kit only if low activation flows aredesired, and if it doesn't matter if full flow is not availableinstantly. If the application demands higher flow rates morequickly, do not install the Intelligent Cascading Kit.If the Intelligent Cascading Kit is used the minimum activationflow rate is equal to the activation flow rate of a single unit.Optional Cascade KitApplicable models: Bosch 830 ES, 940 ES, 940 ESO,C 950 ES, C 1050 ES, C 1210 ES.