Historical
ANSI Z21.23a-2003
Addenda 1 to ANSI 21.23-2000, Gas Appliance Thermostats
Details test and examination criteria for integral gas valve type and electric type thermostats which are used as integral parts of gas-burning appliances. It presents minimum levels for the substantial and durable construction, safe operation and acceptable performance for such thermostats. The standard does not apply to wall-mounted thermostats for comfort heating control.
CONTENT PROVIDER
CSA America, Inc. [csa]
CSA America, Inc. [csa]