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.

Energy Saving Rebates

Warranty WARRANTY

At Triangle Tube, our goal is to deliver the highest quality products to customers throughout North America. As part of our continued commitment, we offer a Peace of Mind Industry-Leading Three Point (Good / Better / Best) Warranty Program. This program offers coverage up to 6-year parts and 3-year labor allowance and 10-year primary heat exchanger warranty. Warranty Brochure

  • Best Warranty
  • Best Warranty
  • Best Warranty
DETAILS

  • 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

  • Peace Of Mind Warranty Program:

    Up To 10 Years Heat Exchanger / 6 Years Parts / 3 Years Labor

  • 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

VIEW ALL

Videos

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

Product / Marketing Literature

Installation / User Manuals

  • Instinct Floor - WHB & FSB User's Information Manual
    ViewCopy Link
  • Instinct Floor - WHB & FSB User's Information Manual French
    ViewCopy Link
  • Instinct Floor - FSB Installation Maintenance Manual
    ViewCopy Link
  • Instinct Floor - FSB Application Guide
    ViewCopy Link
  • Instinct Floor - FSB Application Guide Display Software 0.40 Or Later
    ViewCopy Link
  • Instinct Floor - Gas Valve Adjustment Instructions For Natural Gas & Propane
    ViewCopy Link
  • Instinct Floor - Natural Gas To Propane Conversion Instructions
    ViewCopy Link

Technical Supplements

Engineering

Submittals

  • Instinct Floor Combi - Engineering Submittal FSB 155
    ViewCopy Link
  • Instinct Floor Combi - Engineering Submittal FSB 199
    ViewCopy Link

Repair Manuals

INSTINCT FLOOR STANDING

HOW TO GET ONE

Find an InstallerFind a Distributor