Appendix D4 to Part 305 - Water Heaters - Instantaneous - Gas

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Appendix D4 to Part 305 - Water Heaters - Instantaneous-Gas

Range Information

Capacity	Range of estimated annual energy costs (dollars/year)
Capacity (maximum flow rate); gallons per minute (gpm)	Natural gas ($/year)		Propane ($/year)
Capacity (maximum flow rate); gallons per minute (gpm)	Low	High	Low	High
“Very Small” - less than 1.6	*	*	*	*
“Low” - 1.7 to 2.7	*	*	*	*
“Medium” - 2.8 to 3.9	$130	$151	$321	$372
“High” - over 4.0	195	230	485	567

[81 FR 63654, Sept. 15, 2016]

                    
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