Instinct Combi Floor Standing

The Instinct Combi Floor Standing comes loaded with features such as: Caleffi 548 Series Separator, Tsync Wi-Fi connectivity, an all stainless steel fire tube heat exchanger, industry leading 5+ GPM DHW and Peace of Mind 10-year warranty. CTRLMAX Control System-EZ Setup allows for a quick :60 second setup. Easy troubleshooting in plain text, no codes. The 3-in-1 Universal vent adapter directly accepts PVC, Polypropylene, and Stainless Steel. Combi sizes are available in 155 and 199 MBH.

CANADIAN REBATES

  • Tsync: Wi-Fi Connectivity

    For Easy Trouble Shooting

  • Internal Circulator:

    Pump Pre-Installed

  • CTRLMax Control System:

    Fast And Easy 60 Sec Set Up

  • Time Saving Connections:

    Boiler (Water): Left Or Right Side; Gas: Left Or Right Side

  • DHW Combi Units Top Connections:

    Up to 5+ GPM

  • 3 In 1 Universal Vent Adaptor:

    Directly Accepts PVC

  • Caleffi 548 Series Separator With Air Elimination

  • No Fault Forward Production System

  • Stainless Steel Fire Tube Heat Exchanger

  • AFUE Energy Efficiency:

    Rating Of 95%

Accessories Accessories

  • INSRKIT101

    Kit: Complete Service Kit

  • INSRKIT102

    Kit: First Aid Service Kit

  • INSRKIT103

    Kit: Service Kit

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Model Comparison Model Comparison

Instinct Floor CombiCombi 155Combi 199

  • Model Number
  • INSFS155C
  • INSFS199C

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.)
  • 181
  • 191
  • Dimensions (W x H x D)
  • 22" x 41" x 22"
  • 22" x 41" x 22"
  • 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"ᵗ
  • 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

ᵗ1-1/4" FPT when using the 548 Caleffi Separator

*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 Floor - WHB & FSB User's Information Manual
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  • Instinct Floor - WHB & FSB User's Information Manual French
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  • Instinct Floor - FSB Installation Maintenance Manual
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  • Instinct Floor - FSB Installation Maintenance Manual French
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  • Instinct Floor - FSB Application Guide
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  • Instinct Floor - FSB Application Guide Display Software 0.40 Or Later
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  • Instinct Floor - Gas Valve Adjustment Instructions For Natural Gas & Propane
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  • Instinct Floor - Natural Gas To Propane Conversion Instructions
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  • Instinct Floor - WHB & FSB Vent Supplement
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  • Instinct Floor - WHB & FSB Vent Supplement French
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  • Instinct Floor - CTRLMax Supplement
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Engineering Bulletins

Submittals

  • Instinct Floor Combi - Engineering Submittal FSB 155
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  • Instinct Floor Combi - Engineering Submittal FSB 199
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Repair Manuals

INSTINCT FLOOR STANDING

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