BOSCH Water Heater - C 1210 ES

Enjoy endless hot water and save up to 50% on utility bills,
Homeowners want the energy-efficient, endless supply of hot water only a gas tankless water heater can deliver. And no one builds a more complete line or gives you a longer warranty than Bosch. So which model is right for you? Click on the product links to learn more about each model, or use the new Bosch Sizing Calculator and let us do the work for you!

Therm C 1210 ES
ASME certified
Up to 98% thermal efficiency
225,000 BTU maximum input
12.1 gallons per minute capacity
This is the highest performance, fully condensing gas tankless water heater from Bosch. Unlike traditional non-condensing models, condensing technology captures heat from the exhaust gas and uses it to preheat the incoming cold water. This increases efficiency and reduces emissions – well ahead of the 2012 Low NOX emissions standards set by SCAQMD (California’s South Coast Air Quality Management District).
Up to 98% thermal efficiency,225,000 BTU maximum input,12.1 gallons per minute capacity at 35F degree rise, Minimum activation flow rate of 0.5 gallons per minute, Electronic ignition and patented burner design, Exclusive safety and precision controls, Built in freeze protection, Direct vent, vertically or horizontally with PVC, CPVC or ABS-DWV, Concentric and twin pipe venting options, Can be used in solar thermal, recirculation, and space heating applications, Built for durability and serviceability with 15-year warranty and 20+ year life expectancy, Available in NG and LP models

Warranty
15 year limited warranty on heat exchanger; 3 year warranty if used in direct recirculation applications,15 year warranty on heat exchanger if used if recirculated through a storage tank such as the Ariston mini-tank,5 year warranty on all other parts ,Bosch Warranty Details

BOSCH Water Heater - GWH C 800 ES

GWH C 800 ES
Suitable for residential or commercial applications
92%+ thermal efficiency
199,000 BTU maximum input
10.5 gallons per minute capacity
Condensing technology with 92%+ efficiency and Energy Star rating.
This C 800 ES model is another top performing, fully condensing gas tankless water heater from Bosch. This model offers high flow rates, efficiency and the most advanced features in tankless technology, yet requires only 199,000 BTU/Hr input.

BOSCH Water Heater - GWH 715 ES

GWH 715 ES
Highest capacity non-condensing model
83%+ thermal efficiency
199,000 BTU maximum input
9.4 gallons per minute capacity
The new 715 ES, our highest capacity non-condensing model was designed to meet the demands of busy households, and offers premium features you expect from Bosch. This model can be installed almost anywhere thanks to its sealed combustion and dual-fan technology.

BOSCH Water Heater - 830 ES

Therm 830 ES
Suitable for residential or commercial applications
83%+ thermal efficiency
175,000 BTU maximum input
8.3 gallons per minute capacity
The 830 ES is another new model from Bosch that offers advanced software, safety and precision controls but requires only 175,000 BTU/Hr input. The 830 ES is ideal for busy households yet is also designed to support Intelligent Cascading, up to 24 units for larger homes

BOSCH Water Heater -Therm 660 EF

Therm 660 EF
Super compact 14” x 21” x 7” size
83%+ thermal efficiency
140,000 BTU maximum input
6.6 gallons per minute capacity
The Therm 660 EF is compact enough to install virtually anywhere. But don’t let the size fool you. This model is loaded with features including freeze protection and built-in high temperature capability (160°F).

BOSCH Water Heater -Therm 520 HN

Therm 520 HN
Patented Hydro-power ignition requires no electricity
78%+ thermal efficiency
117,000 BTU maximum input
5.3 gallons per minute capacity
The Therm 520 HN incorporates an evolutionary hydro-power ignition system which allows this tankless water heater to work without a standing pilot, grid connection or battery! A small turbine inside the water heater uses the energy from the flowing water to ignite the burner. The modulating
gas valve then maintains a constant temperature at varying flow rates. This innovative technology, patented by Bosch, makes this an ideal product for installations without access to electricity or regions prone to inclement weather and power outages.

BOSCH Water Heater -Therm 520 PN

Therm 520 PN
Piezo ignition system requires no electrical connection
78%+ thermal efficiency
117,000 BTU maximum input
5.3 gallons per minute capacity
This Bosch Therm 520 PN model offer Piezo push-button ignition and utilizes a modulating gas valve to ensure a constant temperature at varying flow rates. The 520 PN is the perfect tankless solution for smaller families and households that only use no more than two hot water applications at a time.While it provides endless hot water, it saves money because it only heats water when you need hot water.

BOSCH Water Heater -Therm 330 PN

Therm 330 PN
Piezo ignition system requires no electrical connection
78%+ thermal efficiency
75,000 BTU maximum input
3.3 gallons per minute capacity
The Bosch Therm 330 PN model offers Piezo push-button ignition and utilizes a modulating gas valve to ensure a constant temperature at varying flow rates. The 520 PN is the perfect tankless for smaller families and households that use one hot water application at a time.