Skip to main content
Ship
Find a Location
Contact Us
Pay Invoices
Site Search
submit search
Sign In
Cart (
)
{0} items in cart
menu
Search
cart
Sign In
Selectors
Copper Selectors
PVC Selectors
Import Black Fitting Selectors
CPVC Selectors
ProPress Selectors
ACR Fittings
HVAC Equipment
Air Handling Units
Commercial Air Handlers
Residential Air Conditioner Air Handlers
Residential Floor Mount Air Handlers
Residential Heat Pump Air Handlers
Residential Wall Mount Air Handlers
Condensers & Air Conditioners
Commercial Air Conditioners Split System
Residential Air Conditioner Split System
Electric Process Heaters
Immersion Wells
Evaporator Coils
Air conditioner Evaporators
Furnaces
Electric Furnaces
Gas Furnaces
Oil Furnaces
Heat Pumps
Commercial Heat Pump Split Systems
Heat Pump Accessories
Heat Pump Electric Heaters
Heat Pump Risers
Residential Heat Pump Split Systems
Heaters
Fan Convectors
Gas Unit Heaters
Patio Heaters
Mini Split Equipment
Mini Split Air Conditioner Indoor Units
Mini Split Air Conditioner Outdoor Units
Mini Split Heat Pump Indoor Units
Mini Split Heat Pump Outdoor Units
Packaged Units
Air Conditioner Packaged Units
Gas Heating/Electric Cooling Packaged Units
Heat Pump Packaged Units
Packaged Unit Accessories
Packaged Unit Heaters
Oil Tanks
Plumbing Hardware
Shower Drains, Bath Drains, & Accessories
Bathtub Drains
Bathtub Drain Trip Levers
Bathroom Drain Flanges & Accessories
Rough-In Kits
Drain Seals & Covers
Bath Wastes & Overflow
Bathtub Drain Trim Kits
Bathtub Drain Stoppers
Bathtub Drain Parts
Bathtub Drain Face/Overflow Plates
Channel & Tile Drains
Debris Strainers
Shower Drain Accessories
Shower Drain Plates
Shower Drains
Shower Drain Covers
Sink Drains & Fittings
Sink Drain Accessories
Sink Drain Flanges
Bathroom Sink Drains
Sink Drain Rod Assemblies
Sink Drain Traps
Sink Drains
Sink Strainer Baskets
Sink Strainers & Stoppers
Sink Tailpieces & Extension Tubes
Pop-Ups & Accessories
Plumbing Drains & Traps
Bottle Traps
Cleanouts & Cleanout Covers
Drain & Traps Washers
Floor Drain Trap Seals
Floor Drains
Grease Traps
Plumbing Drains & Traps Accessories
Roof Drains
Special Traps
Trap & Supply Covers
Tubular Extensions
Tubular Fittings
Tubular Flush Ells & Slip Ells
Tubular J-Bends
Tubular Offsets
Tubular P-Traps
Tubular S-Traps
Tubular Tailpieces
Waste Bends
Plumbing Specialties
Air Admittance Valves
Closet Bolts
Closet Flanges
Flexible Gas Connectors
Gas Appliance Connectors
Gas Connector Fitting
Plumbing Access Panels
Plumbing Nuts & Washers
Test Caps
Test Plugs and Balls
Trap Primers
Water Connectors
Water Supply Fittings
Ice Maker Fittings
Supply Boxes
Washing Machine Fittings
Water Supply Fitting Accessories
Water Supply Flanges
Water Supply Flexible Hoses
Water Supply Kits
Water Supply Risers
Water Supply Stops
Air Distribution
Dampers
Damper Accessories
Damper Actuators
Duct Dampers
Motorized Dampers
Pressure Relief Dampers
Specialty Dampers
Volume Control Dampers
Ducting
Duct Accessories
Duct Fittings
Duct Plenums
Flexible Ducts
Oval Ducts
Rectangular Ducts
Return Air Products
Round Ducts
Grilles, Registers & Diffusers
Ceiling & Register Boxes & Outlets
Diffusers
Grilles
Registers
More
Home
/
Hydronics
/
Hydronic Boilers
/
Hydronic Gas Fired Boilers
Hydronic Gas Fired Boilers
223
items
Filter
Skip to Results
Search Within Category
Stocked Items
Stocked Items Only
Brands
AO Smith® (6)
Burnham® (30)
COMPLETE BOILER SYSTEMS (5)
HTP (3)
IBC TECHNOLOGIES (5)
NTI (62)
Peerless® Boilers (35)
RBI® (1)
Rinnai® (22)
Vesta (5)
See All
AFUE Rating
0.935 (2)
0.937 (1)
0.94 (2)
0.95 (9)
0.954 (1)
0.955 (1)
0.96 (1)
0.976 (1)
0.977 (1)
0.978 (1)
See All
Amperage Rating
15 A (13)
12 A (7)
< 2 A (3)
<12 A (7)
Boiler Output
98000 (1)
Connection Type
1 in NPT Water/1/2 in NPT Gas (3)
NPT (8)
1 in NPT (2)
3/4 in MNPT (5)
1-1/4 in NPT (11)
3/4 in NPT Gas (1)
1 in FNPT (3)
1 in NPT Gas (1)
1 in NPT Water (2)
Depth
23-1/4" (1)
23.25" (1)
27-5/8" (1)
Dimensions
41-5/8 in L (1)
DOE Heating Capacity
101 (1)
113000 (1)
139MBH (1)
141 (1)
189MBH (1)
207 MBH (1)
270 MBH (1)
49MBH (1)
56 (1)
94MBH (1)
See All
Domestic/Import
Import (14)
Domestic (28)
Flue Outlet Size
7 in Dia (4)
6 in Dia x 15 ft H (2)
5 in Dia x 15 ft H (1)
7 in Dia x 15 ft H (1)
3 in Dia (5)
4 in Dia (2)
6 in Dia (4)
5 in Dia (2)
3 in (1)
7 in (2)
See All
Fuel Type
Liquid Propane (1)
Natural Gas (44)
Liquid Propane/Natural Gas (12)
Fuse Size
3 A (11)
Gas Type
Natural Gas (or Propane with field conversion) (4)
Heat Capacity
184 (1)
Height
0.394 (5)
13.79 (1)
2.2852 (1)
2.364 (1)
2.5019 (2)
22.01 (1)
43.03268 (6)
51.03 (1)
53.19 (2)
54.375" (1)
See All
Housing Material
Cast Iron (24)
Stainless Steel (8)
Bronze/Brass (1)
Ignition Type
Electronic (20)
Spark (13)
Direct Spark (6)
Pilot (1)
Input Capacity
125,000/199,000 (1)
750 MBtu/hr (1)
232 mbh (1)
75000 Btu/hr (1)
23500 to 90000 Btu/hr (1)
299000 Btu/hr (1)
85000 Btu/hr (1)
21600 to 108000 Btu/hr (1)
140000 Btu/hr (1)
175000 Btu/hr (2)
See All
Length
0.394 (4)
16" (1)
33.49 (2)
34.02584 (2)
38.02888 (1)
42.03 (12)
Material
Cast Iron (1)
Mounting Type
Indoor, Wall Hung, Fully Condensing (1)
Wall (17)
Floor (24)
Floor/Wall (3)
Net IBR Rating
530 MBtu/hr (1)
73000 (1)
98000 (1)
166 mbh (1)
86000 Btu/hr (1)
113000 Btu/hr (1)
76 mbh (2)
130 mbh (1)
103 mbh (1)
125 mbh (1)
See All
Power Supply
120V, 60 Hz, less than 12A (1)
Series
CGa Series 3 (1)
LCD DOMINATOR (1)
SFC (1)
Type
Indoor Floor Standing (Wall Hung kit included) (5)
Indoor, Wall Hung, Fully Condensing (12)
Floor Mount (4)
2-Section (1)
2-Section High Efficiency (1)
4-Section High Efficiency (1)
8-Section High Efficiency (1)
7-Section High Efficiency (1)
3-Section High Efficiency (1)
5-Section High Efficiency (1)
See All
Vent Type
Atmospheric Vent (1)
Direct Vent (1)
Direct Vent (Concentric and Twin Pipe) (2)
Vertical (1)
Direct (17)
Chimney (24)
Concentric (2)
Voltage Rating
120 VAC (30)
120/24 VAC (6)
115 VAC (1)
Water/Steam Content
7 gal (2)
0.9 gal (2)
6.5 gal (1)
9.3 gal (1)
1.3 gal (2)
0.7 gal (1)
2 gal (3)
6 gal (3)
0.6 gal (1)
4 gal (3)
See All
Wattage
120VAC (1)
Width
0.394 (5)
13" (1)
23-1/4" (1)
23.01 (1)
24" (1)
24.03 (3)
25.01 (7)
48.03 (3)
6.698 (1)
Height
33-3/4" (1)
Sort by
Best Match
Product: A to Z
Product: Z to A
Brand: A to Z
Brand: Z to A
Product List View
List
Product Grid View
Grid
Product Table View
Table
Results Per Page
10
20
30
40
First page
Previous page
1
2
3
4
…
23
Next page
Last page
content loaded
Compare
AO Smith®
AO Smith® Burkay® 100122585 HW-120M Circulating Water Heater, Natural Gas Fuel, 120000 Btu/hr Input, 1 in NPT Water Connection, Electronic Ignition
Part #
102051
MFG #
1001225850
Add to Cart
Compare
AO Smith®
AO Smith® Burkay® 100122595 HW-200M Circulating Water Heater, Natural Gas Fuel, 200000 Btu/hr Input, 1 in NPT Water Connection, Electronic Ignition
Part #
102053
MFG #
100122595
Add to Cart
Compare
AO Smith®
AO Smith® Burkay® 100123142 HW-520 Circulating Water Heater, Natural Gas Fuel, 520000 Btu/hr Input, 1 in NPT Gas Connection
Part #
102058
MFG #
100123142
Add to Cart
Compare
AO Smith®
AO Smith® Burkay® 100123159 HW-420 Circulating Water Heater, Natural Gas Fuel, 420000 Btu/hr Input, 1 in NPT Connection
Part #
102057
MFG #
100123159
Add to Cart
Compare
AO Smith®
AO Smith® Burkay® 100123191 HW-300 Circulating Water Heater, Natural Gas Fuel, 300000 Btu/hr Input, 3/4 in NPT Gas Connection
Part #
102055
MFG #
100123191
Add to Cart
Compare
AO Smith®
AO Smith® Conservationist® Burkay® 100122606 HW-670 Hydronic Heating Boiler, Natural Gas Fuel, 670000 Btu/hr Input, Bronze/Brass Housing, NPT, Electronic Ignition
Part #
102059
MFG #
100122606
Add to Cart
Compare
Burnham®
Burnham® 202EN-T0 Series 2e 2-Section High Efficiency Water Boiler, Natural Gas Fuel, 28 mbh Net IBR, 38 mbh Input, Chimney Vent, Cast Iron Housing, NPT Connection, Spark Ignition
Part #
626965
MFG #
202EN-T0
Add to Cart
Superseded
Compare
Burnham®
Burnham® 202NI-T2 Series 2™ 2-Section Gas-Fired Water Boiler with Intelligent Hydronic Control, Natural Gas Fuel, 27 mbh Net IBR, 37.5 mbh Input, Chimney Vent, Cast Iron, Electronic Ignition
Part #
376299
MFG #
202NI-T2
Add to Cart
Compare
Burnham®
Burnham® 203EN-T0 Series 2e 3-Section High Efficiency Water Boiler, Natural Gas Fuel, 50 mbh Net IBR, 69 mbh Input, Chimney Vent, Cast Iron Housing, NPT Connection, Spark Ignition
Part #
627054
MFG #
203EN-T0
Add to Cart
Compare
Burnham®
Burnham® 204EN-T0 Series 2e 4-Section High Efficiency Water Boiler, Natural Gas Fuel, 76 mbh Net IBR, 103 mbh Input, Chimney Vent, Cast Iron Housing, NPT Connection, Spark Ignition
Part #
580564
MFG #
204EN-T0
Add to Cart
Compare
AO Smith®
AO Smith® Burkay® 100122585 HW-120M Circulating Water Heater, Natural Gas Fuel, 120000 Btu/hr Input, 1 in NPT Water Connection, Electronic Ignition
Part #
102051
MFG #
1001225850
Add to Cart
Compare
AO Smith®
AO Smith® Burkay® 100122595 HW-200M Circulating Water Heater, Natural Gas Fuel, 200000 Btu/hr Input, 1 in NPT Water Connection, Electronic Ignition
Part #
102053
MFG #
100122595
Add to Cart
Compare
AO Smith®
AO Smith® Burkay® 100123142 HW-520 Circulating Water Heater, Natural Gas Fuel, 520000 Btu/hr Input, 1 in NPT Gas Connection
Part #
102058
MFG #
100123142
Add to Cart
Compare
AO Smith®
AO Smith® Burkay® 100123159 HW-420 Circulating Water Heater, Natural Gas Fuel, 420000 Btu/hr Input, 1 in NPT Connection
Part #
102057
MFG #
100123159
Add to Cart
Compare
AO Smith®
AO Smith® Burkay® 100123191 HW-300 Circulating Water Heater, Natural Gas Fuel, 300000 Btu/hr Input, 3/4 in NPT Gas Connection
Part #
102055
MFG #
100123191
Add to Cart
Compare
AO Smith®
AO Smith® Conservationist® Burkay® 100122606 HW-670 Hydronic Heating Boiler, Natural Gas Fuel, 670000 Btu/hr Input, Bronze/Brass Housing, NPT, Electronic Ignition
Part #
102059
MFG #
100122606
Add to Cart
Compare
Burnham®
Burnham® 202EN-T0 Series 2e 2-Section High Efficiency Water Boiler, Natural Gas Fuel, 28 mbh Net IBR, 38 mbh Input, Chimney Vent, Cast Iron Housing, NPT Connection, Spark Ignition
Part #
626965
MFG #
202EN-T0
Add to Cart
Superseded
Compare
Burnham®
Burnham® 202NI-T2 Series 2™ 2-Section Gas-Fired Water Boiler with Intelligent Hydronic Control, Natural Gas Fuel, 27 mbh Net IBR, 37.5 mbh Input, Chimney Vent, Cast Iron, Electronic Ignition
Part #
376299
MFG #
202NI-T2
Add to Cart
Compare
Burnham®
Burnham® 203EN-T0 Series 2e 3-Section High Efficiency Water Boiler, Natural Gas Fuel, 50 mbh Net IBR, 69 mbh Input, Chimney Vent, Cast Iron Housing, NPT Connection, Spark Ignition
Part #
627054
MFG #
203EN-T0
Add to Cart
Compare
Burnham®
Burnham® 204EN-T0 Series 2e 4-Section High Efficiency Water Boiler, Natural Gas Fuel, 76 mbh Net IBR, 103 mbh Input, Chimney Vent, Cast Iron Housing, NPT Connection, Spark Ignition
Part #
580564
MFG #
204EN-T0
Add to Cart
Sort by
Best Match
Product: A to Z
Product: Z to A
Brand: A to Z
Brand: Z to A
Product List View
List
Product Grid View
Grid
Product Table View
Table
Results Per Page
10
20
30
40
First page
Previous page
1
2
3
4
…
23
Next page
Last page
