Important safety notice regarding certain sonoma wall fan heaters

December 11th, 2019

Recently, we have received incident reports related to certain Sonoma wall fan heater models. Under certain abnormal operating conditions it may be possible for the product to overheat and potentially lead to a fire.

Affected models should be disconnected immediately.

The affected products are Sonoma and Sonoma Style units with the following product codes:

Sonoma Sonoma Style
ASSO1501T2TW ASSO2002T2TWBBW ASSOS1501MW ASSOS2002WCWBBW
ASSO1501T2TWBBW ASSO2002T2W ASSOS1501MWBBW ASSOS2008MW
ASSO1501T2W ASSO2002T2WBBW ASSOS1501W ASSOS2008MWBBW
ASSO1501T2WBBW ASSO2002WCW ASSOS1501WBBW ASSOS2008W
ASSO1501WCW ASSO2002WCWBBW ASSOS1501WCW ASSOS2008WBBW
ASSO1501WCWBBW ASSO2008T2TW ASSOS1501WCWBBW ASSOS2008WCW
ASSO1502T2TW ASSO2008T2TWBBW ASSOS1502WCW ASSOS2008WCWBBW
ASSO1502T2TWBBW ASSO2008T2W ASSOS1502WCWBBW
ASSO1502T2W ASSO2008T2WBBW ASSOS2002MW
ASSO1502T2WBBW ASSO2008WCW ASSOS2002MWBBW
ASSO1502WCW ASSO2008WCWBBW ASSOS2002W
ASSO1502WCWBBW ASSOS2002WBBW
ASSO2002T2TW ASSOS2002WCW
SONOMA SONOMA

The product code can be found on the label that covers two sides of the boxes:

SONOMA SONOMA

If the product has been installed, the product code and production date can be found on the product nameplate that is on the underside of the front cover.

SONOMA SONOMA

Only units produced on or before November 18, 2019 are affected by this issue. You can identify the production date in the "VER" field of the product nameplate. The first number is the week of production and the second number is the year of production. In this example the product was produced the 47th week of 2019. Look for a version/production date code of 47-19 or prior, for example, 46-19.

SONOMA

If you have a unit that is affected please contact our customer service department at 1 844-783-5776, extension 1204 for more information.

We apologize for any inconvenience this situation may cause you. At Stelpro, product quality and safety has always been at the heart of our concerns. We thank you for your cooperation and the trust you have placed in us.