Johnson Controls A19AAF-4 Thermostat 30067439-890 Using higher voltage will destroy

Using higher voltage will destroy the coil instantly

technicians should verify the factory model number to ensure a secure fit with existing gas valve manifolds and safety magnet systems

Common Questions Is the Robertshaw 41-802N compatible with 80% and 90% AFUE furnaces

effectively prohibiting pressure mixing between separate control loops

Ready for Install: Packaged with essential hardware including mounting screws and harness connectors for streamlined service

Johnson Controls A19AAF-4 Thermostat 30067439-890 Using higher voltage will destroyUtility Thermostat, 120 208 240 Vac, 40 90 Degree Temperature Range, 1. 5 Degree Fixed Differential, 6' Rubber Coated Capillary Length, Automatic Reset, Screw Driver Range Adjuster A19AAF 4 is identical to A19AAF 4C