ANSI Z21.56 : 2014
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
GAS-FIRED POOL HEATERS
Hardcopy , PDF
07-17-2021
English
01-01-2014
Pertains to newly produced pool heaters, hereinafter referred to as pool heaters or appliances, constructed entirely of new, unused parts and materials, for heating non-potable water stored at atmospheric pressure, such as water in swimming pools, spas, hot tubs and similar applications.
Access your standards online with a subscription
Features
-
Simple online access to standards, technical information and regulations.
-
Critical updates of standards and customisable alerts and notifications.
-
Multi-user online standards collection: secure, flexible and cost effective.