Air Conditioning, Heating, and Ventilating: Equipment, Parts and Accessories - 031 (See Related Items In Class 740)

(All sub-items for this class)

03 Air Conditioners: Commercial, and Parts and Accessories not Individually Itemized

04 Air Conditioners: Controlled Environment (For Computer Rooms, etc.), and Parts and Accessories not Individually Itemized)

05 Air Conditioners (Cooling and Cooling/Heating Types): Window and Wall Mounted, and Parts and Accessories not Individually Itemized

06 Air Conditioning and Heating: Central Units, and Parts and Accessories not Individually Itemized

08 Air Doors and Curtains

09 Air Flow Meters

10 Air Purifiers, Accessories and Supplies

11 Blowers: Industrial Types

13 Chillers, Heat Exchangers and Receivers

15 Chilled Water Meter System

17 Coils: Chilled or Heated Water, and Direct Expansion

18 Coil and Fan Units, Air Conditioning

20 Compressors, Air Conditioning: Hermetically Sealed, Window Unit Type

21 Compressors, Air Conditioning: Industrial Type, and Parts

23 Condensing Units (For Air Conditioners)

25 Controls: Limit Switches, Relays, Thermostats, Gas Valves, etc.

26 Control Systems: Complete (For Automatic Temperature Control)

28 Cooling Towers: Forced Air, Gravity, etc.

30 Dehumidifiers and Humidifiers

32 Duct, Prefabricated (Flexible or Rigid): Glass Fiber, Plastic,etc.

33 Duct, Fabricated, Metal

34 Dust Collectors, Industrial Type

36 Electronic Air Cleaners, Electrostatic Precipitators, Accessories, and Parts

38 Evaporative Coolers

39 EXCHANGES

40 Fans, Industrial Types: Attic, Exhaust, Forced Draft, etc.

41 Fans, Room Type, Ceiling

43 Filter Coating, Adhesive, Coil Cleaners, Degreasing Solvents, etc.

44 Filters, Air Conditioning (Permanent Type)

45 Filters and Filter Media, Air Conditioning (Disposable Types)

46 Filters and Filter Media, Evaporative Cooler

49 Filter Frames, Metal

50 Freon

51 Furnaces, Central Heating Type (Forced Air, Gas Fired)

53 Grilles, Diffusers, Registers, etc.

55 Hand Tools, Air Conditioning and Heating Service Type

56 Heat Pumps

57 Heaters, Electric (Baseboard Type) and Parts

58 Heaters, Electric (Panel Type) and Parts

59 Heaters, Electric (Portable) and Parts

60 Heaters, Gas-Fired (Space Type, Vented and Unvented) and Parts

61 Heaters, Gas-Fired (Wall Type, Vented and Unvented) and Parts

62 Heaters, Kerosene or Oil Fired (Space Type, Vented and Unvented) and Parts

63 Heaters, Space, Steam

64 Hydronic Specialties

65 Heating Elements, Electric

72 Pumps, Descaling Acid

73 Pumps, Refrigerant Circulating

74 Pumps, Refrigerant Vacuum

75 RECOVERY SYSTEM

78 Roof Ventilators, Power Driven

79 Roof Ventilators, Wind Driven

82 Stoves, Wood or Coal

87 Testing and Recording Instruments

89 Thermometers and Gauges

91 Unit Heaters, Electric (Duct and Suspended Types)

92 Unit Heaters, Gas-Fired (Duct and Suspended Types)

93 Unit Heaters, Gas-Fired (Radiant and Infrared, Portable and Stationary)

94 Unit Heaters, Steam and Hot Water Types

96 Vent Pipes, Fittings, and Accessories

99 BLANKET ORDER