Welcome to Our New & Improved Website!
Water Heaters Only - We Are Your Water & Air Experts
Sign In
Water Heaters Only
763-557-1117orders@wh2only.com

All Products

About Us

  • Who We Are
  • Solutions
  • Training
  • Resources
  • Shop Our Products
  • Promotions

Our Location

Our Location

© 2026 Water Heaters Only. All rights reserved.

  • Resources
  • Promotions
  • Find a Pro

Categories

  • All Products
  • Boilers
    • Condensing35
    • Non-Condensing12
  • HVAC
    • Air Conditioners
      • 2-Stage AC8
      • Inverter AC4
      • Single Stage AC25
    • Air Handlers7
    • Ductless Mini-Splits53
    • Evaporators Coil66
    • Gas Furnaces
      • 80% Furnaces16
      • 90% Furnaces34
    • Heat Pumps
      • Inverter Heat Pump11
      • Single Stage Heat Pump7
    • Packaged Units
      • AC Only
      • Gas Electric
      • Heat Pump
    • Venting9
  • HVAC Accessories
    • Ducting9
    • Equipment Pads & Stands10
    • Indoor Air Quality
      • Air Cleaners
      • Air Exchange Ventilators
        • Energy Recovery Ventilators1
        • Heat Recovery Ventilators
      • Air Filters
      • Dehumidifiers
      • Humidifiers
    • Line Sets10
    • Thermostats4
  • Hydronic Accessories
    • Baseboard34
    • Boiler Stands1
    • Controls & Sensors3
    • Glycol & Chemicals2
    • Hydraulic Separators
    • Hydronic Expansion Tanks5
    • Manifolds17
    • Radiant Tubing & Fittings18
    • Zone Valves4
  • Parts
    • Boiler Parts82
    • Electric Water Heater Parts201
    • Gas Water Heater Parts478
    • HVAC Parts122
      • A/C & Heat Pump Parts1
      • Furnace Parts7
    • Tankless Water Heater Parts131
    • Water Softener Parts30
  • Plumbing Accessories
    • Disposers4
    • Domestic Expansion Tanks9
    • Drain Pans & Stands11
    • Fittings & Valves61
  • Pumps
    • Booster Pumps5
    • Centrifugal Pumps42
    • Condensate Pumps3
    • Effluent/Sewage Pumps9
    • Pump Parts & Accessories58
    • Sump Pump19
  • Water Heaters
    • Heat Pump Electric Hybrid15
    • Manufactured Housing6
    • Point of Use26
    • Tank Type: Electric35
    • Tank Type: Gas159
    • Tankless Electric4
    • Tankless Gas2
    • Volume Water Heaters2
    • Water Heater Storage Tanks7
  • Water Treatment5
    • Condensate Neutralizer15
    • Pressure Tanks8
    • Reverse Osmosis7
    • Water Filters13
    • Water Softeners & Conditioners25
Items 1597-1608 of 2494
Items Per Page

Boiler Parts

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

NTIP6008387001

Login for pricing
Unavailable
FIND a local Pro

TFT Touchscreen Upgrade Kit

NTIP64980553

Login for pricing
Unavailable
FIND a local Pro
FTVN flame sensor/ignitor

FTVN flame sensor/ignitor

NTIP6500645000

Login for pricing
Unavailable
FIND a local Pro

Condensing

85MBH 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), 85k-Input, 79k-Output, 107 lbs, 1.4 Gal Water 1-1/4" NPT water, 3/4" Gas, 2"/3" Vent, 17-3/8"D x 19-7/8"W x 34-1/8"H (LIMITED LIFETIME WARRANTY)

NTITFTN085

Login for pricing
Unavailable

Condensing

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

Login for pricing
Unavailable

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

Login for pricing
Unavailable

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

Login for pricing
Unavailable

Condensing

285MBH 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), 180 lbs, 4.9 Gal Water, 1-1/4" NPT Water, 3/4" Gas, 3" Vent, 18-3/8"D x 21-3/8"W x 34-1/8"H (LIMITED LIFETIME WARRANTY)

NTITFTN285

Login for pricing
Unavailable

Condensing

399MBH TFTN Firetube Boiler 10:1 Turndown, Nat Gas, 95.4% AFUE, WiFi Monitoring, EZ Setup Wizard , Remote Diagnostics Full-Color Display, Top/Bottom Plumbing, Low Water Cutoff , 120V Outlet , 3+DHW Zones (Expandable), 250 lbs, 6.4 Gal Water, 1-1/2" mNPT Water, 3/4" Gas, 4" Vent, 21-1/4"D x 25-1/4"W x 36-1/2"H (LIMITED LIFETIME WARRANTY)

NTITFTN399

Login for pricing
Unavailable

Condensing

85MBH input Water tube heating boiler TRX 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 15 year HX warranty

NTITRX085-S2

Login for pricing
Unavailable

Condensing

120MBH input Water tube heating boiler TRX Series II 11-1 turndown ratio Nat Gas 96%AFUEWiFi for remote monitoring integrated ECM pump and DWH diverter valve Power vent Direct vent compatible 15 year HX warranty

NTITRX120-S2

Login for pricing
Unavailable

Condensing

150MBH input Water tube heating boiler TRX Series II 11-1 turndown ratio Nat Gas 96%AFUEWiFi for remote monitoring integrated ECM pump and DWH diverter valve Power vent Direct vent compatible 15 year HX warranty

NTITRX150-S2

Login for pricing
Unavailable
1...132133
134
135
136
...208
85MBH 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), 
85k-Input, 79k-Output,  107 
lbs, 1.4 Gal Water  1-1/4" NPT 
water, 3/4" Gas,  2"/3" Vent, 
17-3/8"D x 19-7/8"W x 
34-1/8"H (LIMITED LIFETIME 
WARRANTY)
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)
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)
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)
285MBH 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),  180 lbs, 4.9 
Gal Water, 1-1/4" NPT Water, 
3/4" Gas, 3" Vent, 18-3/8"D 
x 21-3/8"W x 34-1/8"H (LIMITED 
LIFETIME WARRANTY)
399MBH TFTN Firetube 
Boiler 10:1 Turndown, Nat Gas, 
95.4% AFUE, WiFi 
Monitoring, EZ Setup Wizard , 
Remote Diagnostics Full-Color 
Display, Top/Bottom Plumbing, 
Low Water Cutoff , 120V 
Outlet , 3+DHW Zones 
(Expandable),  250 lbs, 6.4 
Gal Water, 1-1/2" mNPT Water, 
3/4" Gas, 4" Vent, 21-1/4"D 
x 25-1/4"W x 36-1/2"H (LIMITED 
LIFETIME WARRANTY)
85MBH input Water tube heating 
boiler TRX 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
15 year HX warranty
120MBH input Water tube 
heating boiler TRX Series II  
11-1 turndown ratio Nat Gas 
96%AFUEWiFi for remote 
monitoring integrated ECM pump 
and DWH diverter valve Power 
vent Direct vent compatible 
15 year HX warranty
150MBH input Water tube 
heating boiler TRX Series II  
11-1 turndown ratio Nat Gas 
96%AFUEWiFi for remote 
monitoring integrated ECM pump 
and DWH diverter valve Power 
vent Direct vent compatible 
15 year HX warranty
FIND a local Pro
FIND a local Pro
FIND a local Pro
FIND a local Pro
FIND a local Pro
FIND a local Pro
FIND a local Pro
FIND a local Pro
FIND a local Pro
Out of Stock
Out of Stock
Out of Stock
Out of Stock
Low Stock
Low Stock
Low Stock
Low Stock
Low Stock
Low Stock
Low Stock
Low Stock