General Information
Table A: Basic Data
6
Component Locations
Panels omitted for clarity
Fig. 1: Component Locations – Side
Top panel, blower and gas train omitted for clarity
Fig. 4: Component Locations – Top
Fig. 3: Component Locations – Rear
Panels omitted for clarity
Fig. 2: Component Locations – Front
Model
No.
MBTUH
Input*
Water
Conn.
(NPT)
Gas
Conn.
(NPT)
Vent
Size
(in.)
Max.* Min.* N P Flue Intake
504A 500 300 2 1 1 8 6
754A 750 450 2 1 1 10 6
1104A 1100 660 2-1/2 1-1/4 1 10 6
1504A 1500 900 2-1/2 1-1/4 1 12 8
2004A 1999 1199 2-1/2 2 1 14 8
*H7 units only