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Hydronic Gas Fired Boilers
Hydronic Gas Fired Boilers
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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)
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Amperage Rating
12 A (17)
Connection Type
1 in NPT Water/1/2 in NPT Gas (3)
MNPT (14)
Dimensions
38-1/4 in H x 19-3/4 in W x 18-1/2 in D (10)
43-5/8 in H x 16-3/4 in W x 15-1/8 in D (1)
45-5/8 in H x 16-3/4 in W x 15-1/8 in D (3)
DOE Heating Capacity
101 (1)
111 MBtu/hr (2)
138 MBtu/hr (2)
184 MBtu/hr (4)
79 MBtu/hr (2)
98 MBtu/hr (1)
139 MBtu/hr (1)
78 MBtu/hr (1)
99 MBtu/hr (1)
101 MBtu/hr (2)
See All
Domestic/Import
Import (1)
Fuel Type
Liquid Propane/Natural Gas (17)
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)
58.04408 (1)
See All
Housing Material
Stainless Steel (17)
Ignition Type
Electronic (14)
Direct Spark (3)
Input Capacity
11000 to 110000 Btu/hr (2)
11200 to 106000, 11200 to 114000 Btu/hr (1)
13200 to 120000 Btu/hr (1)
13200 to 120000, 13200 to 150000 Btu/hr (1)
15000 to 150000 Btu/hr (3)
19200 to 192000, 19700 to 197000 Btu/hr (2)
19900 to 199000 Btu/hr (2)
8500 to 85000 Btu/hr (1)
9400 to 85000 Btu/hr (1)
21600 to 108000 Btu/hr (1)
See All
Length
0.394 (4)
33.49 (2)
34.02584 (2)
38.02888 (1)
42.03 (12)
Mounting Type
Floor/Wall (3)
Wall Hung (14)
Net IBR Rating
86000 Btu/hr (1)
68000 Btu/hr (1)
48000 Btu/hr (1)
Power Supply
120V, 60 Hz, less than 12A (1)
Series
FTVN Series II (7)
TRX Series II (7)
Type
Indoor Floor Standing (Wall Hung kit included) (5)
Indoor, Wall Hung, Fully Condensing (11)
Floor Mount (4)
Vent Type
Direct (17)
Voltage Rating
120 VAC (3)
120 V (14)
Width
0.394 (5)
23.01 (1)
24.03 (3)
25.01 (7)
48.03 (3)
6.698 (1)
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NTI
NTI 3314216 TRX Series II High Efficiency Condensing Boiler, Liquid Propane/Natural Gas Fuel, 9400 to 85000 Btu/hr Input, Direct Vent, Stainless Steel Housing, MNPT Connection, Electronic Ignition
Part #
1257775
MFG #
TRX085-S2
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NTI
NTI 3314217 TRX Series II High Efficiency Condensing Boiler, Liquid Propane/Natural Gas Fuel, 11200 to 106000, 11200 to 114000 Btu/hr Input, Direct Vent, Stainless Steel Housing, MNPT Connection, Electronic Ignition
Part #
1257784
MFG #
TRX110C-S2
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NTI
NTI 3314218 TRX Series II High Efficiency Condensing Boiler, Liquid Propane/Natural Gas Fuel, 13200 to 120000 Btu/hr Input, Direct Vent, Stainless Steel Housing, MNPT Connection, Electronic Ignition
Part #
1257793
MFG #
TRX120-S2
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NTI
NTI 3314219 TRX Series II High Efficiency Condensing Boiler, Liquid Propane/Natural Gas Fuel, 13200 to 120000, 13200 to 150000 Btu/hr Input, Direct Vent, Stainless Steel Housing, MNPT Connection, Electronic Ignition
Part #
1257818
MFG #
TRX150C-S2
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NTI
NTI 3314306 TRX Series II High Efficiency Condensing Boiler, Liquid Propane/Natural Gas Fuel, 15000 to 150000 Btu/hr Input, Direct Vent, Stainless Steel Housing, MNPT Connection, Electronic Ignition
Part #
1257809
MFG #
TRX150-S2
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NTI
NTI 3314307 TRX Series II High Efficiency Condensing Boiler, Liquid Propane/Natural Gas Fuel, 19200 to 192000, 19700 to 197000 Btu/hr Input, Direct Vent, Stainless Steel Housing, MNPT Connection, Electronic Ignition
Part #
1257827
MFG #
TRX199-S2
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NTI
NTI 3314308 TRX Series II High Efficiency Condensing Boiler, Liquid Propane/Natural Gas Fuel, 19200 to 192000, 19700 to 197000 Btu/hr Input, Direct Vent, Stainless Steel Housing, MNPT Connection, Electronic Ignition
Part #
1257836
MFG #
TRX199C-S2
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NTI
NTI 3314309 FTVN Series II High Efficiency Condensing Boiler, Liquid Propane/Natural Gas Fuel, 8500 to 85000 Btu/hr Input, Direct Vent, Stainless Steel Housing, MNPT Connection, Electronic Ignition
Part #
1257845
MFG #
FTVN085-S2
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NTI
NTI 3314310 FTVN Series II High Efficiency Condensing Boiler, Liquid Propane/Natural Gas Fuel, 11000 to 110000 Btu/hr Input, Direct Vent, Stainless Steel Housing, MNPT Connection, Electronic Ignition
Part #
1257854
MFG #
FTVN110-S2
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NTI
NTI 3314311 FTVN Series II High Efficiency Condensing Boiler, Liquid Propane/Natural Gas Fuel, 11000 to 110000 Btu/hr Input, Direct Vent, Stainless Steel Housing, MNPT Connection, Electronic Ignition
Part #
1257863
MFG #
FTVN110C-S2
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Compare
NTI
NTI 3314216 TRX Series II High Efficiency Condensing Boiler, Liquid Propane/Natural Gas Fuel, 9400 to 85000 Btu/hr Input, Direct Vent, Stainless Steel Housing, MNPT Connection, Electronic Ignition
Part #
1257775
MFG #
TRX085-S2
Add to Cart
Compare
NTI
NTI 3314217 TRX Series II High Efficiency Condensing Boiler, Liquid Propane/Natural Gas Fuel, 11200 to 106000, 11200 to 114000 Btu/hr Input, Direct Vent, Stainless Steel Housing, MNPT Connection, Electronic Ignition
Part #
1257784
MFG #
TRX110C-S2
Add to Cart
Compare
NTI
NTI 3314218 TRX Series II High Efficiency Condensing Boiler, Liquid Propane/Natural Gas Fuel, 13200 to 120000 Btu/hr Input, Direct Vent, Stainless Steel Housing, MNPT Connection, Electronic Ignition
Part #
1257793
MFG #
TRX120-S2
Add to Cart
Compare
NTI
NTI 3314219 TRX Series II High Efficiency Condensing Boiler, Liquid Propane/Natural Gas Fuel, 13200 to 120000, 13200 to 150000 Btu/hr Input, Direct Vent, Stainless Steel Housing, MNPT Connection, Electronic Ignition
Part #
1257818
MFG #
TRX150C-S2
Add to Cart
Compare
NTI
NTI 3314306 TRX Series II High Efficiency Condensing Boiler, Liquid Propane/Natural Gas Fuel, 15000 to 150000 Btu/hr Input, Direct Vent, Stainless Steel Housing, MNPT Connection, Electronic Ignition
Part #
1257809
MFG #
TRX150-S2
Add to Cart
Compare
NTI
NTI 3314307 TRX Series II High Efficiency Condensing Boiler, Liquid Propane/Natural Gas Fuel, 19200 to 192000, 19700 to 197000 Btu/hr Input, Direct Vent, Stainless Steel Housing, MNPT Connection, Electronic Ignition
Part #
1257827
MFG #
TRX199-S2
Add to Cart
Compare
NTI
NTI 3314308 TRX Series II High Efficiency Condensing Boiler, Liquid Propane/Natural Gas Fuel, 19200 to 192000, 19700 to 197000 Btu/hr Input, Direct Vent, Stainless Steel Housing, MNPT Connection, Electronic Ignition
Part #
1257836
MFG #
TRX199C-S2
Add to Cart
Compare
NTI
NTI 3314309 FTVN Series II High Efficiency Condensing Boiler, Liquid Propane/Natural Gas Fuel, 8500 to 85000 Btu/hr Input, Direct Vent, Stainless Steel Housing, MNPT Connection, Electronic Ignition
Part #
1257845
MFG #
FTVN085-S2
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Compare
NTI
NTI 3314310 FTVN Series II High Efficiency Condensing Boiler, Liquid Propane/Natural Gas Fuel, 11000 to 110000 Btu/hr Input, Direct Vent, Stainless Steel Housing, MNPT Connection, Electronic Ignition
Part #
1257854
MFG #
FTVN110-S2
Add to Cart
Compare
NTI
NTI 3314311 FTVN Series II High Efficiency Condensing Boiler, Liquid Propane/Natural Gas Fuel, 11000 to 110000 Btu/hr Input, Direct Vent, Stainless Steel Housing, MNPT Connection, Electronic Ignition
Part #
1257863
MFG #
FTVN110C-S2
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