Honeywell 55 F to 85 F Off-White Mechanical Thermostat Mailboxes & Accessories Heavy-duty brass hex nuts are

Heavy-duty brass hex nuts are easy-to-grip and nickel-plated for durability

High tensile

tri-metal shock resistant brazing ensures maximum durability

no tools are required

Honeywell 55 F to 85 F Off-White Mechanical Thermostat Mailboxes & Accessories Heavy-duty brass hex nuts areStandard model that is easy to install and use. Simple slide lever control for temperature adjustment and switching control for system operation. Precise temperature control. Will replace most heating cooling systems thermostats. For gas, oil, or electric heating electric AC systems (NOT for heat pumps or baseboard heat). Vented cover improves temperature sensing. Temperature range: 55 deg. F. to 85 deg. F. Off white.