Standard 2523, Edition 1
UL 2523

Standard for Solid Fuel-Fired Hydronic Heating Appliances, Water Heaters, And Boilers

UL CSDS Proposal Edition 1 Published Date: September 02, 2011 Last Revision: March 16, 2018
Summary of Topics b2523_1_20110902_sum.html

Subject 2523

Bulletin Dated: September 2, 2011

SUMMARY OF TOPICS

The following changes in requirements to the Standard for Solid Fuel-Fired Hydronic Heating Appliances, Water Heaters and Boilers, UL 2523, are being proposed:

1. Revision of the definition of hydronic heating appliance

2. Deletion of 23.10

3. Clarification of 120�F (49�C) reset requirements for water heaters

Back to Standard 2523, Edition 1

The cost to purchase this Standard varies depending on whether you are ordering a hardcopy, PDF or combination of the two. We also offer two different types of subscriptions: a one year and a three year.

You will be able to choose your purchase options on the following pages.

×
×
×
×
×

You have one or more subscriptions that will expire soon.

×

You have one or more licenses to assign

×

Additional information required

To serve you better, please update your account details.

Featured Standards


Recently Published



Coming Soon

×

Email Verification Required

To enhance security and protect our community from fraudulent activity, we require email address confirmation before orders can be placed. This step ensures that all orders come from verified sources, helping us maintain a safe and trusted environment for everyone. Thank you for your cooperation.

To resend the confirmation email please click here. The confirmation email will look like the sample below.

Sample

example email
×