Honeywell AQ25A Series Technical Reference Booklet page 301

Outdoor Reset Control Panel
AQ2511B0
Warnings about high costs will have homeowners seeking
savings.
Everywhere homeowners look, they see dire predictions
about soaring heating costs this winter. They'll be anxious to find
savings, and they'll snap up the savings offered by Honeywell
AQ2511B0 panels. You'll be amazed at their ease of installation,
making them the perfect choice for energy-saving applications.