Series AA250
Page 6
LT252 Oct 2019
PARTS OF THE HEATER
Figure 2 - General Overview
General Assembly
Refer to Figure 2 for component identification.
No. Qty
PN
Description
No. Qty
PN
Description
1
1
BS044
Base
17 3
CH270 Door Latch
2
2
BS051
Vent
18 2
CH277 8-32 x 1” Male-Female Standoff
3
1
BE025
Air Proving Switch
19
1
BG004 Burner
4
1
BS036
Controls Box
20 2
CH119 8-32 x 1” Head Phillips Screw
5
1
BE013
Impeller
21 1
UG040 Orifice (Propane)
6
1
BS025
Motor Interface Plate
22 1
UG028 Orifice (Natural Gas)
7
1
BE012
Motor: 115V/60Hz,1074 rpm 23
2
CH290 10-32 x 1/4” Head Phillips Screw
8
1
BS029
Burner Mount
24 1
BS045 Igniter Bracket
9
1
BS024
Blower Housing
25 1
VE002 Igniter/Flame Sensor
10
1
BS033
Heat Chamber
26 1
BS043 Valve Bracket
11
1
BE005
High Limit Switch
27 1
CG062 Valve NG W/R 2-Stage
12
1
BS040
Front Door
28
1
BG013 Burner Manifold
13
4
CH273
¼”-20 Press-In Nut
29
5
CH272 Hinge
14
4
CH274
¼”-20 Eyebolt
30
1
CH019 Nut, 5/16-18
15
1
BS042
Enclosure
31
1
CH100 Hex Bolt, 5/16-18 x 3/4”
16
1
BS041
Back Door
32
1
CH080 Washer, Flat, ½”