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ASHRAE 124   2026   Methods of Testing for Rating Combination Space-Heating and Water-Heating Appliances 90 $
ASHRAE 124   2016   Methods of Testing for Rating Combination Space-Heating and Water-Heating Appliances 50 $
ASHRAE 124   2007   Methods of Testing for Rating Combination Space-Heating and Water-Heating Appliances 40 $
ASHRAE 124   1991   Methods of Testing for Rating Combination Space-Heating and Water-Heating Appliances 25 $