Robertshaw 9204V Thermostat part number 791001 is the

part number 791001 is the standard requirement for these assemblies

Attempting to install this on a step-opening or two-stage unit will result in improper manifold pressure and potential equipment failure

and FR series

Key Benefits Universal Torque Compatibility: Built to handle the stress of 150 lb-in and 300 lb-in damper actuators

Robertshaw 9204V Thermostat part number 791001 is theThe Robertshaw 9204V Thermostat is a heavy duty 24V 1 heat mechanical thermostat engineered for high reliability performance in gas, electric, and millivolt heating systems. As a center piece of the Robertshaw 9200 Series, this 2 wire vertical thermostat is the industry standard for contractors replacing outdated mercury based units. The mercury free mechanical switch eliminates the need for precision leveling during installation, while the SPST