Takagi Tankless Water Heaters
Comparison Chart

Takagi T-H3

A side-by-side comparison of Takagi tankless water heaters. Compare the power input, energy factor, flow rate and top features to select the best model for your home.

Technical data comparison

Models / Specs	Power BTU x1000	Capacity gal	Temp F	Energy Factor	# baths	Warranty
T-KJr2	19.5 140	0.4 6.6	99 167	0.82	1-2	15
T-KJr2U	15.0 140	0.4 6.6	100 140	0.82	1-2	15
T-K4	11.0 190	0.4 8.0	99 167	0.82	2-3	15
T-K4U	15.0 190	0.4 8.0	100 140	0.82	2-3	15
T-H3S	13.0 180	8.0	100 140	0.95	2-3	15
T-H3	13.0 199	10.0	100 185	0.95	3-4	15
T-D2	11.0 199	10.0	99 185	0.82	2-4	15
T-D2U	15.0 199	10.0	100 185	0.82	2-4	15
T-M50	15.0 380	14.5	110 185	0.82	4-6	15

IN - indoor, OS-outdoor, DV- Direct Vent.

For the outdoor models, no venting is required.

Features comparison

Models / Specs	Type	Ignition	Easy Link	Multi Unit	Control	Recirc.
T-KJr2	IN, OS, DV	Electr.	No	No	No	Yes
T-KJr2U	IN, OS, DV	Electr.	No	No	Yes	Yes
T-K4	IN, OS, DV	Electr.	No	No	No	Yes
T-K4U	IN, OS, DV	Electr.	No	No	Yes	Yes
T-H3J	IN, OS, DV	Electr.	No	No	Yes	Yes
T-H3S	IN, OS, DV	Electr.	No	No	Yes	Yes
T-H3	IN, OS, DV	Electr.	Yes	Yes	Yes	Yes
T-D2	IN, OS, DV	Electr.	Yes	No	No	Yes
T-D2U	IN, OS, DV	Electr.	Yes	Yes	Yes	Yes
T-M32	IN, OS, DV	Electr.	Yes	Yes	No	No
T-M50	IN, OS, DV	Electr.	Yes	Yes	No	No