Brochure

9090
Optional Concentric Vent kit 100113124 (BTH-300 through BTH-500 models).
Electrical characteristics- 120V-60 Hz A.C., 5.0A.
“A” in the model number represents ASME construction.
Models are certified from sea level to 10,100 ft. elevation.
Model
Number
Dimensions in Inches
F G H I J
BTH-300(A)
73.75 12.75 63.13 69.25 23
BTH-400(A)
73.75 12.75 63.13 69.25 23
BTH-500(A)
73.75 12.75 63.13 69.25 23
Model
Number
Dimensions in Inches
A B C D E
BTH-300(A)
4.75 33.12 4.75 52 75.75
BTH-400(A)
4.75 33.12 4.75 52 75.75
BTH-500(A)
4.75 33.12 4.75 52 75.75
GAS
INTAKE
CLEANOUT
T&P
DRAIN
EXHAUST
1 1/2" NPT
WATER
OUTLET
FRONT
18°
30°
45°
42°
70°
20°
TOP
CLEANOUT
T&P
3/4" NPT DRAIN
1 1/2" NPT
WATER INLET
BACK
FRONT
J
1 1/2" SUPPLY
GAS CONNECTION
4" PVC AIR INTAKE
GAS CONNECTION
4" EXHAUST VENT
CONNECTION
3/4" NPT RECIRC
RETURN
WATER
OUTLET HEIGHT
F I
E
B
CA
H
D
G