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Bosch 7736503731 Greentherm T 9900 SE 199 NG / LP

SKU kpi041-7736503731
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Product details

SKU: kpi041-7736503731
Manufacturer: Bosch Water Heater
Manufacturer Part Number: 7736503731
Capacity: 199000 BTU
Shipping Weight: 85
Depth: 9 13/16
Width (inches): 31 1/2
Height (inches): 18 9/16

Product description

Bosch Greentherm T9900 SE 199 Tankless Water Heater with Built-in Recirculation PumpThe Bosch Greentherm T 9900 SE 199 Condensing tankless water heater is a top performance, fully condensing gas tankless water heater from Bosch. This 199,000 BTU heater is designed for residential applications and can deliver hot water up to 140 degrees F with an 11.2 GPM flow rate at a 35 degree F temperature rise.This Energy Star approved tankless water can produce enough hot water for 2-3 major applications in most homes. The Bosch Greentherm T9900 SE 199 Tankless Water Heater features top-mounted water connections which lowers labor costs and parts requirements and makes for an easy conversion from an existing tank water heater.This unit also features a sleek built-in touch screen that simplifies setup and provides convenient water temperature control. Built-in freeze protection comes standard with this unit.An ideal solution for energy efficient hot water.


  • 9 maximum gallons per minute, 199,000 BTU natural gas tankless water heater
  • Operates at up to a 98% thermal efficiency and is ultra-low NOx compliant
  • Space-saving, state of the art tankless design
  • ENERGY STAR and AHRI certified with UEF rating of 0.96
  • Top water connections for easy transition from tank to tankless
  • Easy-read digital display for accurate temperature setting
  • Integrated flush ports
  • Opti flow combustion management system offers automatic combustion adjustment, altitude adjustment, gas type adjusting, and vent configuration
  • Auto-tuning and integrated freeze protection for optimal performance
  • Maximum flow rate of 11.2 GPM with ability to control external pumps
  • Recirculation pump with dedicated return line
  • Industry leading 22:1 turn down ratio
  • Ultra-low no x certified with 60 ft. venting with 2 in. and 3 in. venting options
  • Stainless steel condensing heat exchanger
  • LP conversion kit included

Additional Information

Gas TypeNatural Gas / Liquid Propane
Product TypeWhole House
Heater StyleTankless
Condensing UnitYes
Capacity @ 35 Deg F Temp Rise (GPM)11.2
Capacity @ 45 Deg F Temp Rise (GPM)8.7
Capacity @ 55 Deg F Temp Rise (GPM)7.2
Maximum Input (BTUs)199000
Minimum Input (BTUs)9000 (NG) / 17000 (LP)
Maximum Output (BTUs)197010
Minimum Output (BTUs)18300
Altitude Test (Ft)8000
Temperature Range (Deg F)100 - 140
Venting OptionsPP, PVC, CPVC, ABS
Venting Diameter (Inches)2, 3 or 4
Vent Maximum Run (Ft)280
Gas Connection (Inches)3/4 NPT
Water Connections (Inches)3/4 NPT
Activation Flow Rate (GPM)0.45
Water Pressure Rating (PSI)18 - 150
Energy Factor.99
Thermal Efficiency (%)99
Electrical Requirements (AMPS / V)<=2/120

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