Standard 2523, Edition 1
UL 2523

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

UL Standard Edition 1 Published Date: December 22, 2009 Last Revision: October 20, 2022 ANSI Approved: October 20, 2022

$505.00-$1,258.00

Revisions and Related Documents

Revisions
Red Line Std. (5)

Date      
October 20, 2022 Redline Revision
March 16, 2018 Revision
February 08, 2013 Revision
October 17, 2011 Revision
Showing 10 of XX
Show All

CSDS
Proposals (7)

CSDS Proposal   

CSDS Proposals

An electronic document associated with a UL Standard for Safety or Outline of Investigation, and issued by UL to propose:

  • A revision of a single or multiple requirement(s).
  • A complete new edition of an existing Standard or Outline.
  • A new Standard or Outline that has not previously been published.

CSDS Proposals provide access to view the proposal and submit comments within UL's Collaborative Standards Development System (CSDS) appropriately.

×

September 02, 2022
February 09, 2018
March 24, 2017
November 16, 2012
September 21, 2012
July 26, 2012
September 02, 2011
Showing 10 of XX
Show All

UL LLC CRD (0)

Showing 10 of XX
Show All None available.
Showing 10 of XX
Show All

Other Updates (0)

Showing 10 of XX
Show All None available.
Showing 10 of XX
Show All
Showing 10 of XX
Show All
Showing 10 of XX
Show All
Showing 10 of XX
Show All
Showing 10 of XX
Show All

Referenced Standards (14)

Reverse Referenced Standards (0)

Showing 10 of XX
Show AllNone available.

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

UL 48
Electrical Signs
Revision Pages

UL/ULC 25
Meters for Flammable and Combustible Liquids and LP-Gas
Revision Pages

UL 155
Tests for Fire Resistance of Vault and File Room Doors
Revision Pages

UL 310
Electrical Quick-Connect Terminals
New Edition

UL 19
Lined Fire Hose and Hose Assemblies
Revision Pages

UL 104
Elevator Door Locking Devices and Door or Gate Closed Detection Means
New Edition

UL 217
Smoke Alarms
Revision Pages

UL 294
Access Control System Units
Revision Pages
×

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
×