Water heaters produce hot water for cooking, bathing, cleaning, and other tasks. Picking the right hot water heater is important, see if the Bosch C1050ESNG Tankless Water Heater fits your needs.

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Overview

The Bosch Greentherm tankless water heater, model number C1050ES, is a high performance and fully condensing gas tankless water heater.  It is designed for residential use and can produce enough hot water for up to 2 to 3 major functions in a home.  The condensing technology is designed to preheat the incoming cold water with heat from the exhaust gas.

Installation: Indoor or Outdoor

Efficiency Rating: 0.95

Parts Warranty: 3-15 Years (Depending on Application)

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Features

PRODUCT FEATURES
  • -Energy factor has been improved to 0.95
  • -Active bypass achieves benchmark temperature constancy
  • -Venting options
  • -Electronic ignition
  • -Inlet water feature offers an easy access externally
  • -Accessible with the water heater mobile app for documentation downloads
  • -Concentric up-and-out venting for single boilers and 2-4 unit single pipe cascades
  • -Built-in freeze protection

Specifications

PRODUCT SPECIFICATIONS
  • -Unit dimensions are 11.2 x 17.9 x 30.5 inches
  • -Max flow rate is 10.5 GPM at 35° rise
  • -Intelligent cascading
  • -Energy factor of 0.95
  • -Thermal efficiency of 96%
  • -Installation can be either indoors or outdoors
  • -Unit weight is 74 lbs
  • -Venting options with PVC, CPVC, ABS, Cat III, stainless steel outdoor kit, and polypropylene
  • -Max venting run of 63 feet
  • -Warranty between 3-15 years depending on the application
  • -199,000 BTUs with up to 140° F