3
for proper gas and input as stated on the name plate.
company.
c. Do not attempt to operate heater with any other gas than that
indicated on the heater name plate.
instructions and data plates.
For additional information, contact;
Number
Related Subject
used.
Table 1. BTU Ratings and Supply Pressures
MODEL
BTU/HR. RATING
GAS SUPPLY PRESSURE (W.C.)
ORIFICE
NO.
GAS
MIN.
MAX.
MANIFOLD
SIZE
NATURAL
PROPANE
NAT.
L.P.
NAT. L.P.
NAT. L.P.
NAT.
L.P.
MH/HS40NG 40,000
—
6.8” W.C. —
7” W.C. —
5.8”
—
37
—
MH/HS40LP —
40,000
—
11” W.C. —
14” W.C. —
10”
—
50
MODEL
OPERATING
ORIFICE SIZE
INPUT
SIZE
NO.
PRESSURE
BURNER
PILOT
BTU/H
WIDTH LENGTH
HEIGHT WEIGHT
MH/HS40NG 6.8”w.c.
37
.023
40.000
19-1/4”
30-1/4”
12”
25 lbs.
MH/HS40LP 10”w.c.
50
.015
40,000
19-1/4”
30-1/4”
12”
25 lbs.
Table 3. Installation, Ventilation and Mounting Information
BTU/HR. RATING
NORMAL
MODEL
GAS
MOUNTING
CLEARANCES TO COMBUSTIBLE SURFACES
NO.
NAT.
L.P.
POSITION
TOP
SIDES
BACK
BELOW