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150MBH input Fire tube heating boiler FTVN Series II 11-1 turndown ratio Nat Gas 96%AFUE WiFi for remote monitoring integrated ECM pump and DWH diverter valve Power vent Direct vent compatible Limited Lifetime HX warranty

NTIFTVN150-S2

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NTI FTVN150C-S2 Series II combi boiler, 150 MBH input (CH & DHW), NG, 95% AFUE, 10:1 turndown, 7.9 GPM DHW @ 35°F rise, built-in ECM pump, NTI Net WiFi, 2"/3" PVC/CPVC/PP vent, 5-yr parts / limited lifetime HX warranty

NTIFTVN150C-S2

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199MBH input Fire tube heating boiler FTVN Series II 11-1 turndown ratio Nat Gas 96%AFUE WiFi for remote monitoring integrated ECM pump and DWH diverter valve Power vent Direct vent compatible Limited Lifetime HX warranty

NTIFTVN199-S2

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NTI FTVN199C-S2 Series II combi boiler, 199 MBH input (CH & DHW), NG, 95% AFUE, 10:1 turndown, 10.5 GPM DHW @ 35°F rise, built-in ECM pump, NTI Net WiFi, 2"/3" PVC/CPVC/PP vent, 5-yr parts / limited lifetime HX warranty

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NTI FTVN199C-S2 Series II combi boiler, 199 MBH input (CH & DHW), NG, 95% AFUE, 10:1 turndown, 10.5 GPM DHW @ 35°F rise, built-in ECM pump, NTI Net WiFi, 2"/3" PVC/CPVC/PP vent, 5-yr parts / limited lifetime HX warranty

NTIFTVN199C-S2

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Boiler Parts

Flue Sensor, Tsseron, SS

NTIP6000083608

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Sensor, System pipe sensor

Boiler Parts

Sensor, System pipe sensor

NTIP6000084010

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Dual Ignition Electrode 
(Replaces 83870, 85649, 86806, 
87202, 83870-1)

Boiler Parts

Dual Ignition Electrode (Replaces 83870, 85649, 86806, 87202, 83870-1)

NTIP6008387001

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Outdoor sensor

Boiler Parts

Outdoor sensor

NTIP64980218

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FTVN flame sensor/ignitor

Boiler Parts

FTVN flame sensor/ignitor

NTIP6500645000

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110MBH TFTN Firetube 
Boiler 10:1 Turndown, Nat Gas, 
95% AFUE, WiFi 
Monitoring, EZ 
Setup Wizard, Remote 
Diagnostics Full-Color 
Display, Top/Bottom Plumbing, 
Low Water Cutoff, 120V 
Outlet, 3+DHW Zones 
(Expandable),  107 lbs, 1.4 
Gal Water, 1-1/4" NPT Water, 
3/4" Gas, 2"/3" Vent, 17-1/4"D 
x 19-7/8"W x 34-1/8"H (LIMITED 
LIFETIME WARRANTY)

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110MBH TFTN Firetube Boiler 10:1 Turndown, Nat Gas, 95% AFUE, WiFi Monitoring, EZ Setup Wizard, Remote Diagnostics Full-Color Display, Top/Bottom Plumbing, Low Water Cutoff, 120V Outlet, 3+DHW Zones (Expandable), 107 lbs, 1.4 Gal Water, 1-1/4" NPT Water, 3/4" Gas, 2"/3" Vent, 17-1/4"D x 19-7/8"W x 34-1/8"H (LIMITED LIFETIME WARRANTY)

NTITFTN110

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150MBH TFTN Firetube 
Boiler 10:1 Turndown, Nat Gas, 
95% AFUE, WiFi 
Monitoring, EZ Setup Wizard , 
Remote Diagnostics Full-Color 
Display, Top/Bottom Plumbing, 
Low Water Cutoff, 120V 
Outlet, 3+DHW Zones 
(Expandable), 122 lbs, 2 Gal 
Water, 1-1/4" NPT Water, 3/4" 
Gas, 2"/3" Vent, 18-3/4"D 
x 19-7/8"W x 34-1/8"H (LIMITED 
LIFETIME WARRANTY)

Condensing

150MBH TFTN Firetube Boiler 10:1 Turndown, Nat Gas, 95% AFUE, WiFi Monitoring, EZ Setup Wizard , Remote Diagnostics Full-Color Display, Top/Bottom Plumbing, Low Water Cutoff, 120V Outlet, 3+DHW Zones (Expandable), 122 lbs, 2 Gal Water, 1-1/4" NPT Water, 3/4" Gas, 2"/3" Vent, 18-3/4"D x 19-7/8"W x 34-1/8"H (LIMITED LIFETIME WARRANTY)

NTITFTN150

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199MBH TFTN Firetube 
Boiler 10:1 Turndown, Nat Gas, 
95% AFUE, WiFi 
Monitoring, EZ Setup Wizard, 
Remote Diagnostics Full-Color 
Display, Top/Bottom Plumbing, 
Low Water Cutoff, 120V 
Outlet, 3+DHW Zones 
(Expandable),  140 lbs, 2.8 
Gal Water, 1-1/4" NPT Water, 
3/4" Gas, 2"/3" Vent, 18-3/4"D 
x 19-7/8"W x 34-1/8"H (LIMITED 
LIFETIME WARRANTY)

Condensing

199MBH TFTN Firetube Boiler 10:1 Turndown, Nat Gas, 95% AFUE, WiFi Monitoring, EZ Setup Wizard, Remote Diagnostics Full-Color Display, Top/Bottom Plumbing, Low Water Cutoff, 120V Outlet, 3+DHW Zones (Expandable), 140 lbs, 2.8 Gal Water, 1-1/4" NPT Water, 3/4" Gas, 2"/3" Vent, 18-3/4"D x 19-7/8"W x 34-1/8"H (LIMITED LIFETIME WARRANTY)

NTITFTN199

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Unavailable
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150MBH input Fire tube 
heating boiler FTVN Series II  
11-1 turndown ratio Nat Gas 
96%AFUE WiFi for remote 
monitoring integrated ECM pump 
and DWH diverter valve Power 
vent Direct vent compatible 
Limited Lifetime HX warranty
NTI FTVN150C-S2 Series II combi boiler, 150 MBH input (CH & DHW), NG, 95% AFUE, 10:1 turndown, 7.9 GPM DHW @ 35°F rise, built-in ECM pump, NTI Net WiFi, 2"/3" PVC/CPVC/PP vent, 5-yr parts / limited lifetime HX warranty
199MBH input Fire tube 
heating boiler FTVN Series II  
11-1 turndown ratio Nat Gas 
96%AFUE WiFi for remote 
monitoring integrated ECM pump 
and DWH diverter valve Power 
vent Direct vent compatible 
Limited Lifetime HX warranty
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