Mr. Heater MH40NG Operating Instructions And Owner's Manual page 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;
MODEL BTU/HR. RATING
NO.
NATURAL
MH/HS40NG 40,000
MH/HS40LP —
MODEL OPERATING
NO. PRESSURE
MH/HS40NG 6.8"w.c.
MH/HS40LP 10"w.c.
BTU/HR. RATING
MODEL GAS
NO. NAT.
Table 1. BTU Ratings and Supply Pressures
GAS
PROPANE NAT.
— 6.8" W.C.
40,000 —
ORIFICE SIZE
BURNER PILOT
37 .023
50 .015
Table 3. Installation, Ventilation and Mounting Information
NORMAL
MOUNTING
L.P. POSITION
Number
used.
GAS SUPPLY PRESSURE (W.C.)
MIN. MAX.
L.P. NAT. L.P.
— 7" W.C. —
11" W.C. — 14" W.C. —
INPUT
BTU/H WIDTH
40.000 19-1/4"
40,000 19-1/4"
CLEARANCES TO COMBUSTIBLE SURFACES
TOP SIDES
3
Related Subject
ORIFICE
MANIFOLD
NAT. L.P. NAT.
5.8" — 37
10" —
SIZE
LENGTH HEIGHT
30-1/4" 12"
30-1/4" 12"
BACK BELOW
SIZE
L.P.
—
50
WEIGHT
25 lbs.
25 lbs.