Johnson Controls A19AAC-59 Utility Thermostat 30067439-890 System Protection: Helps prevent common

System Protection: Helps prevent common failure modes such as compressor flooding and evaporator starving by maintaining balanced pressure

Broad Compatibility: Fits a wide range of 40-inch legacy furnaces and modern platforms under the International Comfort Products umbrella

secured via a set screw for a 1/2" keyed or flat-surface motor shaft

fitting STAS and Catch-All shells

Replace it immediately if there are visible indentations

Johnson Controls A19AAC-59 Utility Thermostat 30067439-890 System Protection: Helps prevent commonJohnson Controls A19AAC 59 Utility Thermostat, 120 208 240 Vac, 65 300 Degree Temperature Range, 6' Capillary, Open on Rise, Bulb Style 1, Screw Driver Range Adjuster A19AAC 59 is the direct replacement for A19AAC 61 (SLIGHTLY SHORTER BULB)