This unit does not include the LP conversion kit. The conversion kit is item #5261111, model F163071.
Mr. Heater Big Maxx Natural Gas High-Output Commercial Unit Heater, 200,000 BTU, Model# MHU200

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Shipping:
Available nowHeavy/large item. Lift gate service available.
Store Pickup:
Out of stock at Fredericksburg VA
- Requires only 1in. clearance from ceiling with threaded rods (sold separately)
- Spark Ignition with self diagnostic control module
- Designed for right or left side piping, electrical and flue connections by simply rotating 180°
- Aluminum tubular heat exchanger for maximum efficiency and longer life
- Ships as Natural Gas unit
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Description
Key Specs
Reviews
Q & A
Accessories
Warranty
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Product Summary
What's Included
- (1) Natural gas high-output commercial unit heater
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Features + Benefits

- Requires only 1in. clearance from ceiling with threaded rods (sold separately)
- Spark Ignition with self diagnostic control module
- Designed for right or left side piping, electrical and flue connections by simply rotating 180°
- Aluminum tubular heat exchanger for maximum efficiency and longer life
- Ships as Natural Gas unit
- Easy external access for thermostat connections and AC terminals
- Compatible with WiFi/Digital thermostats (not included)
- Power exhaust with 4in. flue allows for vertical or horizontal venting (Category 1 Vertical and Category 3 Horizontal venting, kits sold separately)
- Max mounting height of 18ft. from floor to bottom of heater (18in. clearance from side, rear, and corner walls) * 1/2in. gas connection
- Thermostat sold separately -- Item# 173641
- Check local codes and ordinances for approved installation and usage -- See product manual for venting and electrical supply requirements
- Can be converted to LP using Item# 5261111 (sold separately)
- Physical appearance of the MHU200 may vary from what is shown, but will fit all required venting
Key Specs
| Attribute | Specification |
|---|---|
item# | 103064 |
Brand | Mr. Heater |
Manufacturer's Warranty | 3 year limited warranty |
Ship Weight | 190.0 LB |
Heat Output | 200,000 Btu/hour |
Heat Type | Forced Air |
Heating Capability | 6,700 ft² |
| Attribute | Specification |
|---|---|
Blower Included | Yes |
Blower CFM | 3,377 cfm |
Thermostat Included | No |
Volts | 120 |
Product Weight | 175 lb |
Dimensions L x W x H (in.) | 41.3 x 28.7 x 24.8 |
Reviews
Questions & Answers
Questions
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· 2 years ago
Does the 200,000 come with hookups for Lp
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ProductExpert6· 2 years ago
Helpful?
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Alonzoflint· 2 years ago
This unit does not come with the conversion kit to switch to LP!
Helpful?
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· 5 years ago
How loud is this heater? For instance, can you easily talk on a phone with it going?
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ProductExpert5· 3 years ago
The manufacturer does not test for noise levels. The blower produces approximately the same amount of noise as a standard box fan.
Helpful?
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ProductExpert12· 5 years ago
The manufacturer does not test for noise levels; however, the blower produces approximately the same amount of noise as a standard box fan.
Helpful?
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· a year ago
What is the measurement from the top edge of the unit down to the center of the exhaust vent?
1 answer-
ProductExpert11· a year ago
The distance from the top of the heater to the center of the exhaust will be 16.8 inches.
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· a year ago
What is the dimensions of the heater
1 answer-
ProductExpert6· a year ago
The dimensions for this heater are 41.3" L x 28.7" W x 24.8" H.
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· a year ago
Can you just go thru wall for vent to outside or do you have to go up?
1 answer-
ProductExpert6· a year ago
The heater can be vented through the wall. It is designed to be vented both vertically and horizontally.
Helpful?
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· 3 years ago
Can i put this heater on a sturdy shelf, or do i have to hang it?
1 answer-
ProductExpert37· 3 years ago
This unit is designed to be hung. It requires no less than an 8 ft. clearance from the floor to the bottom of the heater.
Helpful?
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· 3 years ago
is there a minimum distance required from floor to bottom of the heater. our space is only 8 ft tall. so, there would only be about 5 ft 6 inches of space between the floor (cement) and bottom of heater.
1 answer-
ProductExpert37· 3 years ago
According to the manual, this heater must not be installed less than 8 ft. above the floor from the bottom of the heater.
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· 3 years ago
Can you instal this by setting on a platform or does it have to be hung from top of unit?
1 answer-
ProductExpert38· 3 years ago
This heater requires 6" of clearance from the top and bottom of the unit. This should be hung for proper installation.
Helpful?
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· 4 years ago
Is this heater made for corrosive environments like a greenhouse?
1 answer-
ProductExpert11· 4 years ago
High humidity or salt water atmospheres will accelerate heater corrosion and reduce the useful life of the heater. Do not install the heater in locations where water (in the form of rain, drips or spray) could fall onto the gas ignition components.
Helpful?
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· 4 years ago
Does this heater come with a means of hanging it
1 answer-
ProductExpert29· 4 years ago
This heater requires 3/8"-16 threaded bolts for mounting. The bolts are not included.
Helpful?
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Accessories We Recommend
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Warranty
Manufacturer's Warranty
3 year limited warranty
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Item # 103064
$1699.99Shipping:
Available nowHeavy/large item. Lift gate service available.
Store Pickup:
Out of stock at Fredericksburg VA
Item # 27457
$499.99Shipping:
Not availableIn Store Only:
- $599.99
Shipping:
Not availableIn Store Only:
- $649.99
Shipping:
Factory shippedStore Pickup:
Not available - online only
Specifications
200,000 Btu/hour
50,000 Btu/hour
80,000 Btu/hour
60,000 Btu/hour
Forced Air
Forced Air
Forced Air
Infrared
6,700 ft²
1,667 ft²
2,000 ft²
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Yes
Yes
Yes
No
3,377 cfm
550 cfm
950 cfm
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No
No
No
No
120
120
120
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175 lb
59.0800 lb
88.0000 lb
lb
41.3 x 28.7 x 24.8
24.0 x 25.5 x 13.0 in
30.31 x 22.04 x 27.55 in
45.25 x 19.25 x 12.0 in
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Yes
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2.81
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