Standard 1812, Edition 4
Red Line
June 21, 2017
UL 1812

Standard for Ducted Heat Recovery Ventilators

UL Red Line Edition 4 Published Date: June 21, 2017 Last Revision: April 15, 2024

Summary of Topics s1812_4_sum.html

Summary of Topics

This revision to UL 1812 was issued to incorporate the following changes:

Addition of requirements of electronic circuits

Revision to allow the use of clearance and creepage distances from UL 840

Addition of requirements to safety critical functions

Back to Standard 1812, Edition 4

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
×