- Air flow controllers, air-conditioning and refrigeration: except valves
- Appliance regulators, except switches
- Building services monitoring controls, automatic
- Clothes dryer controls, including dryness controls
- Combination limit and fan controls
- Combination oil and hydronic controls
- Damper operators: pneumatic, thermostatic, and electric
- Electric air cleaner controls, automatic
- Electric heat proportioning controls, modulating controls
- Electric space heater controls, automatic
- Energy cutoff controls, residential and commercial types
- Fan control, temperature responsive
- Flame safety controls for furnaces and boilers
- Float controls, residential and commercial types
- Gas burner automatic controls, except valves
- Gradual switches, pneumatic
- Humidistats: wall, duct, and skeleton
- Humidity controls, air-conditioning types
- Hydronic circulator control, automatic
- Hydronic limit control
- Hydronic pressure and temperature controls
- Ice bank controls
- Ice maker controls
- Ignition controls for gas appliances and furnaces, automatic
- In-built thermostats, filled system and bimetal types
- Incinerator control systems, residential and commercial types
- Limit controls, residential and commercial heating types
- Line or limit control for electric heat
- Liquid level controls, residential and commercial heating types
- Oven temperature controls, nonindustrial
- Pneumatic relays, air-conditioning type
- Pressure controllers, air-conditioning system type
- Primary oil burner controls, including stack controls and cadmium cells
- Refrigeration controls, pressure
- Refrigeration thermostats
- Refrigeration/air-conditioning defrost controls
- Sequencing controls for electric heat
- Static pressure regulators
- Steam pressure controls, residential and commercial type
- Surface burner controls, temperature
- Switches, pneumatic positioning remote
- Switches, thermostatic
- Temperature controls, automatic: residential and commercial types
- Temperature sensors for motor windings
- Thermocouples, vacuum: glass
- Thermostats: air-conditioning, refrigeration, comfort heating, appliance
- Time program controls, air-conditioning systems
- Vapor heating controls
- Water heater controls
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