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- The Instinct features an all stainless steel fire tube heat exchanger. Combi sizes are available in 155 and 199 MBH. CTRLMAX Control System-EZ Setup allows for a quick :60 second setup. Easy troubleshooting in plain text, no codes. 3-in-1 Universal vent adapter directly accepts PVC, Polypropylene stainless steel. The large plate heat exchanger provides industry leading performance. 5+ GPM hot water while fully condensing in DHW mode.
INS199C INSTINCT COMBI 199MBH 95% EFF 5GPM 
- Turndown ratio up to 8:1
 - 3 in 1 Universal Vent Adapter
 - Stainless Steel Fire Tube Heat Exchanger
 - Efficiency Rating of 95%
 - ASME Certified
 - Industry Leading Performance with 5+ GPM Hot Water while Fully Condensing
 - CTRLMAX Control System with 60 Second Set-up
 - Natural Gas or Propane
 
- AFUE Rating95%Connection TypeNPTFuel TypeLiquid Propane / Natural GasInput Capacity199,000 BTU/hrConnetion Size3/4 inDimensions21-3/4 in W x 16-1/2 in D x 33 in HIndoor / OutdoorIndoorManufacturerTriangle TubeManufacturer #INS199CMounting TypeWallSeriesInstinct CombiTurndown Ratio8:1TypeHigh-Efficiency
 
