Aprilaire 800 Installation & Maintenance Instructions Manual page 22

RePlaCeMenT PaRTS
Item no. Part no. Description
1 4004 Fill Valve In-line Strainer
2 4975 Membrane Switch
3 5306 Universal Transformer, Model 800
4 4977 Power Relay
5 4978 Electrode Wire (1)
6 4979 Ground Lug
7 5307 Input Power Terminal Block
8 4981 Internal Control Circuit Board
9 4982 Current Sensing Circuit Board
10 4983 Drain Valve
11 5309 Inlet Fill Valve & Water Feed System
12 4985 Drain Cup Assembly
13 4986 Front Panel & Screw
14 4987 Electrical Access Panel & Screws
15 4988 Safety Interlock Switch
16 4989 Fill Cup and Hoses
22
(ConTInUeD)
Item no. Part no. Description
17 4990 Fill Cup Cap
18 4991 Steam Dispersion Tube & Screws
19 62 Automatic Digital Control for Model 800
20 80 Steam Canister and O-Ring
21 5308 Transformer Terminal Block
22 65 Digital Manual Humidistat
23 4655 Manual Humidistat
850 Aprilaire Fan Pack
4001 Saddle Valve
4028 Drain Trap & Tee
4592 Airflow Proving Switch
4594 High Humidity Limit Switch
Blower Activation Relay
4851
(Optional for use with manual humidistats)
4856 Condensate Pump (Rated for 160°F)
4973 Steam Hose (6 ft .) & Clamps
4974 Drain Hose (10 ft .) & Clamps