Bosch Heavy Duty Re-circulating Water Heater

Larry Richardson, Vice President of Sales

At a couple of our recent solar water heating training sessions, a discussion took place about backup systems. The suggestion was to use a properly designed instantaneous water heater that was suitable for a recirculation installation. Bosch ProTankless™ Model 450 ESR may be your answer. With its outstanding features, this unit can provide efficiency, dependability and durability:

Features: Durable heat exchanger specifically designed for re-circulating applications Vents vertically or horizontally with 3” stainless sell (AL29-4C) Direct vent and sealed combustion LCD screen displays temperatures, burner operation, & diagnostic codes Separate temperature controls for domestic water heating & re-circulating Available in natural gas or liquid propane Ten-year limited warranty Call our Liberty office for pricing and availability