Aquastar Gas Tankless Water heaters provide endless hot water and save you space, energy, and money over conventional heaters. Aquastar heaters, made by Bosch, use all high quality components- built to last 15 years or more. The 38 series is for point-of-use water heating applications, while the 125 Series can be used for entire homes. Multiple units (125 series) can even be chained together in parallel for larger home or commercial applications. Aquastar 38B Tankless Water Heater Retail Price: $441.00 Sale Price: $375.00 Aquastar 125B Tankless Water Heater Retail Price: $699.00 Sale Price: $625.00 Aquastar 125BS Tankless Water Heater Retail Price: $862.00 Sale Price: $730.00 Aquastar 125HX Tankless Water Heater Retail Price: $799.00 Sale Price: $730.00 Aquastar 125FX Tankless Water Heater Retail Price: $902.00 Sale Price: $830.00 ... ... ... ... ... ... ... ... ... ...