Takagi T-K1S Tankless Water Heater		Takagi T-K Jr. Tankless Water Heater
Takagi T-H1 Tankless Water Heater		Takagi Mobius TM1 and TM199 Tankless Water Heaters
Takagi T-K3 Tankless Water Heater		Takagi TK3-OS Tankless Water Heater
Accessories for Takagi tankless water heaters

Takagi Tankless Water Heater Comparison Chart
Specifications for all Takagi tankless water heaters

Model	FLASH T-K Jr.	FLASH T-K3	FLASH TK3-OS	FLASH T-K1S	FLASH T-H1
BTU Max (NG)	140,000 BTU	199,000 BTU	190,000 BTU	190,000 BTU	199,000 BTU
BTU MIN (NG)	19,500 BTU	11,000 BTU	11,000 BTU	15,000 BTU	15,000 BTU
Flow Rating	0.75 - 5.8 GPM	0.50 - 7.0 GPM	0.50 - 7.0 GPM	0.75 - 7.2 GPM	0.75 - 10.2 GPM
First Hour Rating (DOE)	181 gal/hr 3.0 gal/min (77°F rising)	257 gal/hr 4.0 gal/min (77°F rising)	246 gal/hr 4.1 gal/min (77°F rising)	245 gal/hr 4.1 gal/min (77°F rising)	285 gal/hr 4.75 gal/min (77°F rising)
Net Weight	30 lbs	40 lbs	40 lbs	46 lbs	90 lbs
Energy Factor	NG 0.81 LP 0.81	NG 0.82 LP 0.84	NG 0.83 LP 0.83	NG 0.85 LP 0.87	NG 0.92 LP 0.94
Dimensions H x W x D	20" x 14" x 6"	20.5" x 13.8" x 8.5"	20.5" x 13.8" x 8.5"	24.5" x 16.5" x 8.3"	28" x 19" x 12"
Thermal Efficiency	NG 83% LP 84%	NG 86% LP 87%	NG 82.6% LP 83.3%	NG 85% LP 87%	NG 92% LP 95%

Model	MOBIUS T-M1	MOBIUS T-M199
BTU Max (NG)	235,000 BTU	199,000 BTU
BTU MIN (NG)	25,000 BTU	25,000 BTU
Flow Rating	0.75 - 9.6 GPM	0.75 - 9.6 GPM
First Hour Rating (DOE)	300 gal/hr 5.0 gal/min (77°F rising)	258 gal/hr 4.3 gal/min (77°F rising)
Net Weight	70 lbs	70 lbs
Energy Factor	NG 0.81 LP 0.82	NG 0.82 LP 0.84
Dimensions H x W x D	24" x 18" x 9"	23.6" x 18.5" x 8.9"
Thermal Efficiency	NG 82.3% LP 84.7%	NG 82.3% LP 84.7%