Johnson Controls A19AAB-38 Utility Thermostat 30067439-890 Each unit is factory sealed

Each unit is factory sealed to prevent unauthorized tampering

making it suitable for standard ASME boiler code requirements

Using this replacement spring kit allows for accurate valve pressure regulation in HVACR environments where consistent modulating control is non-negotiable

438-inch OEM HVAC inducer orifice is built from heat-resistant composites to withstand the corrosive environment of flue gases

Does this include the actuator or just the linkage

Johnson Controls A19AAB-38 Utility Thermostat 30067439-890 Each unit is factory sealedUtility Thermostat, 120 208 240 Vac, 90 350 Degree Temperature Range, 15' Capillary, SPST, Open High, Oven Thermostat