Bulletin regarding T6 issues. 

Important Product Notice: T6 Pro Non-Connected Thermostats

Dear Customer,

We want to inform you of a recent update regarding the T6 Pro Non-Connected Thermostats from Resideo. Please review the following key points:

Issue Summary

• Field reports have identified compatibility issues with Series 4 T6 Pro Non-Connected Thermostats.

• Affected applications include Beckett, Aquasmart, EcoJay, and Amana RSKP009 control panels.

• As a precaution, Resideo temporarily paused distribution of the affected models.

Product Impact

• Impacted Models:

  • TH6210U2001

  • TH6220U2000

  • TH6320U2008

• Series 4 Identification:

  • Date codes: 1917 to 1940

  • Found on the unit box and back of the thermostat (not printed on over-pack boxes)

• Series 5 and Series 6 Identification:

  • Clearly labeled on the over-pack box, unit box, and back of the thermostat

  • Do not exhibit compatibility issues

Recommendations

• Do not use Series 4 thermostats with the control panels listed above.

• Series 4 models may still be used in other applications without issues.

• For any incompatibility concerns, please follow the standard warranty process.

Status Update

• Production resumed with Series 6 models

• Shipping restarted the week of December 9th

• Series 6 models are now available and cleared for use