Instinct Combi Wall

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.

CANADIAN REBATES

  • Stainless Steel Fire Tube Heat Exchanger

  • Industry Leading Performance:

    5+ GPM Hot Water While Fully Condensing

  • Turndown Ratio Up To 8:1

  • AFUE Energy Efficiency:

    Rating Of 95%

  • CTRLMax Control System:

    Fast And Easy 60 Sec Set Up

  • 3 In 1 Universal Vent Adaptor:

    Directly Accepts PVC

  • ASME Certified

  • Natural Gas or Propane

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Model Comparison Model Comparison

Instinct Wall CombiCombi 155Combi 199

  • Model Number
  • INS155C
  • INS199C

Performance Specs

  • Fuel
  • NG & LP
  • NG & LP
  • BTU Min Input
  • 19,375
  • 24,875
  • BTU Max Input
  • 155,000
  • 199,000
  • AHRI Net Rating (MBH)
  • 123
  • 159
  • DOE Heating Capacity (MBH)
  • 142
  • 184
  • Water Volume (Gallons)
  • 3
  • 4
  • AFUE
  • 95%
  • 95%
  • Turndown Ratio
  • 8:1
  • 8:1

Technical Data

  • Weight (lbs.)
  • 110
  • 130
  • Dimensions (W x H x D)
  • 21.75" x 33" x 16.5"
  • 21.75" x 33" x 16.5"
  • 2" Max Vent Length
  • 33'
  • -
  • 3" Max Vent Length
  • 100'
  • 100'
  • Vent/Air Connections
  • 3"
  • 3"
  • Gas Connections (MNPT)
  • 3/4"
  • 3/4"
  • Supply/Return Connections (MNPT)
  • 1"
  • 1"
  • CH Max Flow Temp F (C)
  • 185 (85)
  • 185 (85)
  • DHW Max Flow Temp F (C)
  • 150 (65)
  • 150 (65)
  • DHW Output GPM (70F Rise)
  • 4
  • 5.3
  • DHW Output GPM (75F Rise)
  • 3.7
  • 4.9
  • DHW Output GPM (80F Rise)
  • 3.5
  • 4.6
  • DHW Min Flow Rate (GPM)
  • 0.5
  • 0.5
  • DHW Max Operation Pressure (PSI)
  • 150
  • 150

*Domestic performance based on average water temperature of 108°F at mixing valve outlet and 50°F inlet

**Thermal efficiency

DocumentsDocuments

Installation / User Manuals

  • Instinct Wall - WHB Installation & Maintenance Manual
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  • Instinct Wall - WHB Installation & Maintenance Manual French
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  • Instinct Wall - WHB Application Guide AA or no letter in Serial No. after S or C
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  • Instinct Wall - WHB Application Guide AB in Serial No. after S or C - Software 0.36 - 0.60 or earlier
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  • Instinct Wall - WHB Application Guide AB in Serial No. after S or C - Software 0.39 - 0.62 or later
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  • Instinct Wall - WHB Application Guide AB in Serial No. after S or C - Software 0.40 or later
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  • Instinct Wall - WHB & FSB User's Information Manual
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  • Instinct Wall - WHB & FSB User's Information Manual French
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  • Instinct Wall - Gas Valve Adjustment Instructions For Natural Gas & Propane
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  • INSTINCT WALL - NATURAL GAS TO PROPANE CONVERSION INSTRUCTIONS
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  • Instinct Wall - WHB & FSB Vent Supplement
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  • Instinct Wall - WHB & FSB Vent Supplement French
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  • Instinct Wall - CTRLMax Supplement
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Engineering Bulletins

Specifications

  • Instinct Wall Combi - Engineering Specifications Instinct 155 Combi
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  • Instinct Wall Combi - Engineering Specifications Instinct 199 Combi
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Submittals

  • Instinct Wall - Engineering Submittal Instinct 155 Combi
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  • Instinct Wall - Engineering Submittal Instinct 199 Combi
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Repair Manuals

INSTINCT WALL

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