MODEL
Ignition
Gas Type
BTU: HIGH Setting
BTU: LOW Setting
Pressure Regulator Setting
Inlet Gas Pressure*
(inches of water)
Heater Dimensions (HxWxD)
Carton Dimensions (HxWxD) 25
Heater Weight
Shipping Weight
MODEL
Ignition
Gas Type
BTU: HIGH Setting
BTU: LOW Setting
Pressure Regulator Setting
Inlet Gas Pressure*
(inches of water)
Heater Dimensions (HxWxD)
Carton Dimensions (HxWxD)
Heater Weight
Shipping Weight
SAFETY PILOT
This heater has a pilot with an Oxygen Deple-
tion Sensing (ODS) safety shutoff system. The
ODS/pilot shuts off the heater if there is not
enough fresh air.
PIEZO IGNITION SYSTEM
This heater is equipped with a piezo ignitor.
this system requires no matches, batteries, or
other sources to light heater.
200045-03A
SPECIFICATIONS
MN180HPA-B
Piezo
Natural Gas
18,000
6,000
6" W.C.
Maximum 10.5"
Minimum 7"
23
/
" × 19
1
2
/
" × 21
3
4
24 lbs
27 lbs
MN300HPA-B
Piezo
Natural Gas
30,000
7,000
6" W.C.
Maximum 10.5"
Minimum 7"
23
/
" × 26
1
2
25
/
" × 28
3
4
31 lbs
36 lbs
PRODUCT FEATURES
www.usaprocom.com
ML150HPA-B
Maximum 14"
Minimum 11"
/
" × 8"
23
1
1
4
/
" × 9
/
" 25
/
3
1
3
4
4
4
/
" × 8"
23
5
8
/
" × 9
/
"
25
1
1
3
2
4
MANUAL CONTROL
These heaters have a manual control valve
with the ability to operate the heater at differ-
ent settings of varying outputs. See Figure 20
on page 17 for details.
Piezo
Propane
15000
6,000
10" W.C.
/
" × 19
/
" × 8"
1
2
4
" × 21
/
" × 9
/
"
3
1
4
4
24 lbs
27 lbs
ML250HPA-B
Piezo
Propane
25,000
6,000
10" W.C.
Maximum 14"
Minimum 11"
/
" × 26
/
" × 8"
1
5
2
8
/
" × 28
/
" × 9
/
"
1
1
4
2
4
31 lbs
36 lbs
5
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