Codes & Standards - Purchase
ANSI Z21.13A-1993 (R1998)
Addenda 1 to ANSI Z21.13-1991, Gas-Fired Low-Pressure Steam and Hot Water Boilers
SKU: 2412051
Published by CSA Group
Publication Year 1993
Reaffirmed in 1998
21 pages
Withdrawn
Product Details
1.1.4 This standard covers the combustion efficiency for indoor boilers and the thermal efficiency for outdoor boilers and related markings of only those boilers whose efficiencies are not regulated by the Energy Policy and Conservation Act of 1975 and the National Energy Conservation Policy Act of 1978.